Hierarchicalstoragemanagement HSM is a Computer data storage data storage technique which automatically moves data between high cost and low cost storage media. HSM systems exist because high speed storage ... technology management Category Computer storage de Hierarchisches Speichermanagement fr HierarchicalStorageManagement id Hierarchicalstoragemanagement ru .... Implementations IBM Tivoli Storage Manager for Space Management HSM available on UNIX AIX , HP ... Disk storage Information Lifecycle Management Information repository Magnetic tape data ... s for the slower mass storage devices. The HSM system monitors the way data is used and makes best guesses ... months. If a user does reuse a file which is on tape, it is automatically moved back to disk storage ... storage available, but since only rarely used files are on tape, most users will usually not notice any slowdown. HSM is sometimes referred to as tiered storage. HSM originally DFHSM, now DFSMShsm ... of data storage, and to simplify the retrieval of data from slower media. The user would not need ... from high performance Fibre Channel Storage Area Network devices to somewhat slower but much cheaper .... In practice, HSM is typically performed by dedicated software, such as IBM Tivoli Storage Manager , Sun ... . Use Cases HSM is often used for deep archival storage of data to be held long term at low cost .... Tiered storage Tiered storage is a data storage device data storage environment consisting of two or more kinds of storage delineated by differences in at least one of these four attributes Price ... attributes can be sufficient to justify a separate storage tier. Examples Hard disk Disk and Tape drive Tape Two separate storage tiers identified by differences in all four defining attributes. li Old technology disk and new technology disk Two separate storage tiers identified by differences in one or more of the attributes. li High performing disk storage and less expensive, slower disk of the same ... more details
Storagemanagement can refer to one of the following ADSTAR Distributed Storage Manager Automatic StorageManagement Enterprise storagemanagementHierarchicalstoragemanagement IBM Tivoli Storage Manager OpenView Storage Area Manager StorageManagement Initiative Specification Storage Resource Manager Storage Resource Management SRM disambig ... more details
broader. Likewise, CSM systems resemble hierarchicalstoragemanagement HSM systems in that both ... Extensible Metadata Platform Information lifecycle managementHierarchicalStorageManagement Repository OSID References Campanotti, Brian 2007 . Content StorageManagement in the Newsroom, National ...Orphan date June 2010 Content storagemanagement CSM is a technique for the evolution of traditional ... Resource Management SRM storagemanagement fundamental to CSM solutions. Conceptually, HSM solutions ..., SMPTE Proceedings, Hollywood, LA Campanotti, Brian 2007 . Content StorageManagement in Broadcast ... September 2010 DEFAULTSORT Content StorageManagement Category Computer storage ... valuable file based media assets. CSM solutions focus on active Content managementmanagement ... content source destination devices and any format and type of commodity IT centric Computer data storagestorage technology. These digital media files or assets most often contain video but in rarer ... by upper level systems, which may include media asset management MAM , automation, or traffic. Typically ... connects the various broadcast or manipulation devices, and the storage network , which connects the Nearline storage nearline and archive storage tiers. The most basic function of CSM is the automated ... , playout or editing device. CSM also performs this process in reverse moving content back to storage ... regardless of interface and storage topology Transcoding and rewrapping technologies to ensure compatibility ... wrapping standards Direct integration to any type and format of storage device typically categorized as IT centric storage devices allowing limitless or near limitless storage expansion Integration with various ... metadata , media and any other key elements, which comprise an overall asset targeted to storage ..., read write error rates, data storage profiles, etc. Features for local and geographically distributed content storage for file based distribution as well as disaster recovery applications Extensibility ... more details
Context date October 2009 Storage Resource Management SRM is the process of optimizing the efficiency and speed with which the available drive space is utilized in a storage area network SAN . ref name one SearchStorage.com Definitions. http searchstorage.techtarget.com sDefinition 0,,sid5 gci967890,00.html?int off What is storage resource management . Retrieved September 9, 2009. ref Data growth averages around 50 to 100 per year. Companies are faced with rising hardware costs and also the increased costs of managing their storage. Storage professionals who are facing out of control data growth are looking at SRM to help them navigate the storage environment. SRM identifies underutilized capacity, identifies old or non critical data that could be moved to less expensive storage, and helps predict future capacity requirements. SRM has evolved beyond quota management. It now includes functions such as storage area network SAN management. Providers of SRM solutions include APTARE , ref name SRM By Kevin Komiega, InfoStor. http www.infostor.com index articles display 9939436119 s articles s infostor s storagemanagement s virtualization s aptare srm targets.html APTARE SRM targets virtual servers . April 1, 2009. Retrieved September 9, 2009. ref DataCore Software , Symantec , Northern Parklife, and IBM IBM Tivoli Storage Productivity Center Tivoli Storage Productivity Center . References Reflist Refimprove date June 2007 Category Storage software storage software stub it Storage Resource Management ... more details
SMI S , or the StorageManagement Initiative Specification , is a Computer storagestorage Standardization standard developed and maintained by the Storage Networking Industry Association SNIA . It has ... broad interoperable management of heterogeneous storage vendor systems. The current version ... Basic concepts SMI S defines Common Information Model computing CIM management profiles for storage ... the behavioral aspects of an autonomous, self contained management domain. SMI S includes profiles for Disk array Arrays , Network switch Switch es, Storage Virtualizers, Volume Management and many ... timeline 2000 Collection of computer storage industry leaders led by Roger Reich begins building an interoperable management backbone for storage and storage networks named Bluefin in a small consortia called the Partner Development Process. 2002 Bluefin donated by the consortia to the Storage Networking Industry Association SNIA and later renamed to StorageManagement Initiative Specification or SMI S. SMI S 1.0 publicly announced by the SNIA. 2003 The StorageManagement Initiative launches formal ... Web Based Enterprise Management WBEM Web Based Enterprise ManagementStorage Networking Industry Association SNIA Storage Networking Industry Association http technet.microsoft.com en us library gg610600.aspx ... Computer standards Category Computer storage de SMI S fr StorageManagement Initiative Specification ... Enterprise Management standards defined by the Distributed Management Task Force , which define management functionality via HTTP. The most recent approved version of SMI S is available at the SNIA ..., SMI S entities are divided into two categories Clients are management software applications that can ... the data path or outside the data path to providers. Servers are the devices under management. Servers ... for SMI enabled Arrays, Switches, HBAs and Storage Libraries. http sourceforge.net apps mediawiki sblim index.php?title Main Page SBLIM Umbrella project for a collection of systems management tools to enable ... more details
StorageManagement ASM , introduced in Oracle 10g, aims to simplify the storage of Oracle datafiles, controlfiles and logfiles. Overview Automatic StorageManagement ASM simplifies administration ... 090635.html Category Proprietary database management systems Category Oracle software es Automatic StorageManagement fr Automatic StorageManagement ... load balancing to Storage area network SAN access the need for hot spare s diminishes Features ..., log files, system files, control files and other database storage structures database structure s. The system ... OMF functionality that also includes striping and mirroring to provide balanced and secure storage ... balancing without any manual tuning. Enables management of database objects without specifying mount ... Oracle storage implementations. Redundancy One can configure ASM diskgroups to have no redundancy ... also Logical volume management External links http twiki.cern.ch twiki pub PSSGroup Presentations2007 ... more details
unreferenced date January 2012 This is a list of Storage area network SAN management systems . A storage area network is a dedicated network that provides access to consolidated, block level data storage. Systems Apple Computer Apple Xsan Brocade Communications Systems Brocade Fabric Manager Cisco Fabric Manager DataCore Software DataCore SANsymphony line, storage virtualization software Dataram Dataram XcelaSAN XcelaSAN Dell EqualLogic Enterprise Fibre Channel fabric Fabric Connectivity EFC Manager euroNAS iSCSI and NAS Software EMC Corporation EMC ControlCenter EMC Corporation EMC VisualSAN EMC Corporation EMC VisualSRM EMC Invista FalconStor IPstor family Hitachi Data Systems HiCommand HP OpenView Storage Area Manager IBM SAN Volume Controller Symantec Veritas Command central Storage References reflist Category Computer storage Category Network management Category Storage area networks ... more details
Unreferenced date June 2008 Hierarchical modulation , also called layered modulation , is one of the signal processing techniques for multiplexing and modulation modulating multiple data streams into one single symbol stream, where base layer symbols and enhancement layer symbols are synchronously overplayed before transmission. Hierarchical modulation is particularly used to mitigate the cliff effect in digital television broadcast, particularly mobile TV , by providing a lower quality fallback signal in case of weak signals, allowing graceful degradation instead of complete signal loss. It has been widely proven and included in various standards, such as DVB T , MediaFLO , UMB Ultra Mobile Broadband , a new 3.5th generation mobile network standard developed by 3GPP2 , and is under study for DVB H . Hierarchical modulation is also taken as one of the practical implementations of superposition precoding, which can help achieve the maximum sum rate of broadcast channels. When hierarchical ... the data stream embedded in the base layer. With hierarchical modulation, a network operator can target ... hierarchical modulation suffers from serious inter layer interference ILI with impact on the achievable ... non hierarchical modulation, 64QAM. But unlayered 16QAM with the same SNR would approach full throughput ... freesrchabstract.jsp?tp &arnumber 1433080&queryText 3DA hierarchical modulation for upgrading digital broadcast systems 26openedRefinements 3D 26searchField 3DSearch All A hierarchical modulation ... 203 On enhancing hierarchical modulation , IEEE International Symposium on Broadband Multimedia ... http www.broadcastpapers.com whitepapers paper loader.cfm?pid 520 Hierarchical Modulation Explained http www.dvb.org technology fact sheets WP01 DVB T 20Hierarchical.pdf Hierarchical Modulation under DVB DEFAULTSORT Hierarchical Modulation Category Quantized radio modulation modes Category Radio resource management ca Modulaci jer rquica ... more details
... source See also Hierarchical model Tree structure References reflist Databases DEFAULTSORT Hierarchical Query Category Database management systems Category SQL keywords Category Articles ...TOC right A hierarchical query is a type of Select SQL SQL query that handles hierarchical model data. Standard SQL specifies hierarchical queries by way of recursive common table expressions CTEs . Recursive CTEs are supported by systems including IBM DB2 Fact date February 2009 , Microsoft SQL Server , ref cite web url http msdn.microsoft.com en us library ms186243.aspx title Recursive Queries Using Common Table Expressions author Microsoft date accessdate 2009 12 23 ref Firebird database server Firebird 2.1 ref cite web url http www.firebirdsql.org devel doc rlsnotes html rlsnotes210.html rnfb210 cte title Firebird 2.1 Release Notes author Helen Borrie date 2008 07 15 accessdate 2009 02 07 ref , PostgreSQL PostgreSQL 8.4 ref cite web url http www.postgresql.org docs 8.4 interactive queries with.html title WITH Queries PostgreSQL ref , Oracle 11g and CUBRID . An alternative syntax is the non standard code CONNECT BY code construct. CONNECT BY CONNECT BY is supported by EnterpriseDB ref http www.enterprisedb.com documentation hierarchical queries.html Hierarchical Queries , EnterpriseDB ref , Oracle database ref http download.oracle.com docs cd B19306 01 server.102 b14200 queries003.htm Hierarchical Queries , Oracle ref and CUBRID . Example query SELECT select list FROM table expression WHERE ... START WITH start expression CONNECT BY PRIOR parent expr child expr child expr PRIOR parent expr ORDER SIBLINGS BY column1 ASC DESC , column2 ASC DESC ... GROUP BY ... HAVING ... ... For example source lang sql SELECT LEVEL, LPAD , 2 LEVEL 1 ename employee , empno, mgr manager FROM emp START WITH mgr IS NULL CONNECT BY PRIOR empno mgr source The output from the above query would ... of relational database management systems Database capabilities ref , Microsoft SQL Server , Oracle ... more details
wikibooks Packing & Moving Household Goods wiktionary storageStorage may refer to tocright Storage of goods Warehouse , a commercial building for storage of goods Self storage , public storage facility Mail storage , storage by mail or delivery service Containers Dry cask storage , storing high level radioactive waste Food storage Intermodal container , cargo shipping Storage tank Information storageStorage memory , a psychological and physiological process Data storage device , computer hardware Computer data storage , a computer process and result Users also store different types of data and information. Other Specific storage of an aquifer See also Storage album Storage album , a 1988 album by Merzbow The Storage , a 2011 Finnish film lookfrom intitle Store disambiguation Container disambiguation Inventory disambiguation disambiguation interwiki ca Mem ria da Lager de Speicher fr Stockage pl Zbiornik simple Storage ... more details
multiple issues unreferenced October 2009 advert October 2009 A hierarchical classifier is a classifier mathematics classifier that maps input data computing data into defined Hierarchy Subsumptive containment hierarchy subsumptive output categories. The classification occurs first on a low level with highly specific pieces of input data. The classifications of the individual pieces of data are then combined systematically and classified on a higher level iterative ly until one output is produced ... function to do the classification. In a sense, these machines rely on the power of the hierarchical ... implemented using hierarchical classifiers or variants thereof. The clearest example ... that hierarchical processing can do well. Citation needed date October 2009 The reason the Computer ... geometry lines , and so on. This coincides directly with the way hierarchical processing works. If a simple ... these, but the idea is there . Thus, if you arrange these generic classifying units in a hierarchical ... applications that can also be tackled by hierarchical classification such as written text recognition ... . Hierarchical classifiers are extremely similar to these models, but do not have to depend on statistical ... tackling relatively general problems. Hierarchical classifiers can, in fact, be seen as a special ... of proficiency for hierarchical processing. Notable researchers Tomaso Poggio of MIT does research in the area of computer vision and has recently been developing a hierarchical vision system ... graphical models and Bayesian networks and is currently developing a hierarchical system that claims ... of the brain that center around hierarchical processing and the brain as a generic pattern machine ... How to write a proof , in which he proposes to write proofs in a hierarchical fashion with main ... tactics to the ones used in the vision system and specifically hierarchical processing can dramatically improve automated theorem provers. Category Data management ru ... more details
In numerical mathematics , hierarchical matrices H matrices ref name HA99 W. Hackbusch, A sparse matrix ... n math can be represented efficiently in math O n math units of storage by storing only its non zero entries, a non sparse matrix would require math O n 2 math units of storage, and using this type of matrices for large problems would therefore be prohibitively expensive in terms of storage and computing time. Hierarchical matrices provide an approximation requiring only math O n k , log n math units of storage, where math k math is a parameter controlling the accuracy of the approximation. In typical ... sparse representations of non sparse matrices, hierarchical matrices offer a major advantage the results ... 2003 , 70 295 334 ref . Basic idea Hierarchical matrices rely on local low rank approximations let ... G t times s math requires math O t s math units of storage, the factorized representation requires only math O k t s math units. If math k math is not too large, the storage requirements are reduced ... integral operators. In this sense, hierarchical matrices can be considered the algebraic counterparts of these techniques. Application to integral operators Hierarchical matrices are successfully ... can be approximated by a hierarchical matrix. Green s function depends on the shape of the computational .... Arithmetic operations The most important innovation of the hierarchical matrix method is the development ... of math Z Z alpha X Y math for hierarchical matrices math X,Y,Z math and a scalar factor math alpha math . The algorithm requires the submatrices of the hierarchical matrices to be organized in a block ... hierarchical matrices , SIAM J. Num. Anal. 2007 , 45 1472&ndash 1494 ref ref name GRKRBO09 L ... very large problems, the structure of hierarchical matrices can be improved H sup 2 sup matrices ref ... 14 2010 ref replace the general low rank structure of the blocks by a hierarchical representation closely related to the fast multipole method in order to reduce the storage complexity to math O n ... more details
A Hierarchical epistemology is a theory of knowledge which posits that beings have different access to reality depending on their ontological rank. ref Jorge Ferrer, Revisiting Transpersonal Theory 76 ref References references DEFAULTSORT Hierarchical Epistemology Category Epistemological theories epistemology stub ... more details
Hierarchical incompetence is the often observed inability of organisations to achieve the aims set for them. This can be due to the over simplification of issues and the loss of tacit knowledge about issues as they ascend a hierarchical organization .There is often an inbuilt tendency for people up the hierarchy to discount information coming from those lower down, particularly if it questions conventional wisdom of the hierarchy. There is a tendency for lateral communication across the various departments, fiefdoms, etc. to be stifled either actively by management, or by self imposed isolation. ref cite book last David first Andrews title The IRG Solution Hierarchical Incompetence and how to overcome it publisher Souvenir Press location London date 1984 pages 200 220 isbn 0285626620 ref Conversely, ref citation url http www.claverton energy.com energy experts library downloads worldenergypolicy The IRG Solution Hierarchical Incompetence and how to overcome it publisher Souvenir Press location London date 1984 pages 200 220 isbn 0285626620 ref the hierarchies only easily deliver simple messages which cascade down to the lower levels. These messages tend to be inappropriate or counter productive to the goals of the hierarchy and open to inadvertent mis interpretation as they arrive at the organizational sharp end, as reality is inevitably much more complex than envisioned by those at the peak of the hierarchy. Often unofficial actions based on local tacit knowledge and lateral communications compensate for these inevitable communications and conceptual failures no matter how well intentioned the original policies. Example Hitler s Third Reich was famous for bitter inter departmental ... of Britain that cheap drop tanks should be developed in preparation. But hierarchical incompetence ... media hierarchical organization Information Routing Group Interlock diagram Interlock research lateral ... service Relevance paradox Tacit knowledge The IRG Solution hierarchical incompetence and how to overcome ... more details
Hierarchical routing is method of routing in networks that is based on hierarchical addressing. Background Most Transmission Control Protocol Internet Protocol Internet protocol suite TCP IP routing is based on a two level hierarchical routing in which an IP Network address address is divided into a computer network network portion and a Server computing host portion. Gateways use only the network portion until an IP datagram reaches a Gateway computer networking gateway that can deliver it directly. Additional levels of hierarchical routing are introduced by the addition of subnetworks. Description Hierarchical routing is the procedure of arranging routers in a hierarchical manner. A good example would be to consider a corporate intranet . Most corporate intranets consist of a high speed backbone network . Connected to this backbone are routers which are in turn connected to a particular workgroup. These workgroups occupy a unique local area network LAN . The reason this is a good arrangement is because even though there might be dozens of different workgroups, the span maximum hop count to get from one host to any other host on the network is 2. Even if the workgroups divided their LAN network into smaller partitions, the span could only increase to 4 in this particular example. Considering alternative solutions with every router connected to every other router, or if every router was connected to 2 routers, shows the convenience of hierarchical routing. It decreases the complexity of network topology , increases routing efficiency, and causes much less congestion because of fewer routing advertisements. With hierarchical routing, only core routers connected to the backbone are aware of all routes. Routers that lie within a LAN only know about routes in the LAN. Unrecognized destinations are passed to the default route. References FS1037C External links http www.isi.edu nsnam ns doc stable node310.html http www.isi.edu nsnam ns doc stable node310.html Category Routing ... more details
Infobox film name The Storage image caption director Taru M kel producer Markku Tuurna writer Veli Pekka H nninen br Arto Salminen starring Kari Pekka Toivonen music cinematography Jouko Sepp l editing distributor released Film date 2011 12 30 df yes runtime 90 minutes country film Finland language Finnish budget The Storage lang fi Varasto is a 2011 Finnish comedy film directed by Taru M kel . ref cite book title International Film Guide 2012 first Ian Hayden last Smith year 2012 isbn 978 1908215017 page 115 accessdate 24 April 2012 ref ref name cineuropa cite web url http cineuropa.org 2011 nw.aspx?t newsdetail&l en&did 217588 title Finnish audiences want Finnish films admissions 110 up on 2011 accessdate 2012 04 24 work cineuropa ref Cast Kari Pekka Toivonen as Antero Rousku Minttu Mustakallio as Karita Aku Hirviniemi as Raninen Esko Salminen as Kataja Juha Muje as Store manager Tomi Lauri as Rofa Vesa Vierikko as Jylh korpi Hannele Lauri as Aino Vesa Matti Loiri as Mynttinen Jope Ruonansuu as Yk References reflist External links IMDb title 1672215 The Storage DEFAULTSORT Storage Category 2011 films Category 2010s comedy films Category Finnish films Category Finnish language films Finland film stub fi Varasto elokuva ... more details
In data mining , hierarchical clustering is a method of cluster analysis which seeks to build a hierarchy of clusters. Strategies for hierarchical clustering generally fall into two types Agglomerative ... and splits are determined in a greedy algorithm greedy manner. The results of hierarchical clustering ... of observations is required. In most methods of hierarchical clustering, this is achieved by use of an appropriate ... distance, Euclidean distance or maximum distance respectively. Some commonly used metrics for hierarchical ..., G. J. and Rizzo, M. L. 2005 Hierarchical clustering via Joint Between Within Distances Extending ... . ref name wards method cite journal doi 10.2307 2282967 last Ward first Joe H. title Hierarchical ... clusters spawn from the same distribution function V linkage . Discussion Hierarchical ..., with a smaller number of larger clusters. Image Clusters.svg frame none Raw data The hierarchical clustering dendrogram would be as such Image Hierarchical clustering simple diagram.svg frame ... Free R programming language R has several functions for hierarchical clustering see http cran.r ... on NumPy , which supports hierarchical clustering and plotting. Cluster 3.0 provides a nice Graphical ... Supported by Index Structures ELKI includes multiple hierarchical clustering algorithms. http ... for variable group agglomerative hierarchical clustering, ref cite journal doi 10.1007 s00357 008 ... in Agglomerative Hierarchical Clustering Using Multidendrograms url http www.springerlink.com ... ref with graphical user interface . CrimeStat implements two hierarchical clustering routines, a nearest ... using Hierarchical clustering SAS System SAS http support.sas.com documentation cdl en statug ... Dendrogram Determining the number of clusters in a data set Hierarchical clustering of networks Nearest ... PDF accessdate 2009 10 20 publisher Springer location New York chapter 14.3.12 Hierarchical clustering ... 8 chapter Section 16.4. Hierarchical Clustering by Phylogenetic Trees chapter url http apps.nrbook.com ... more details
Context date October 2009 A hierarchical RBF is an interpolation method based on Radial basis function RBF . Interpolation based on Radial basis function RBF used for the construction of shape models in 3d computer graphics 3D computer graphics see Stanford Bunny on picture , treatment of results from a 3D scanner , terrain reconstruction and others. Image MyBunny.gif This problem often named large scattered data point set interpolation . The idea of method for example in 3D consists of the following let the scattered points be presented a set math mathbf P mathbf c i mathbf x i, mathbf y i, mathbf z i vert N i 0 subset mathbb R 3 math let the exist a set of values of some function in scattered points math mathbf H mathbf h i vert N i 0 subset mathbb R math find a function math mathbf f mathbf x math which will meet next condition math mathbf f mathbf x 1 math for points lies on shape and math mathbf f mathbf x neq1 math for points not lies on shape as J. C. Carr et al. showed ref Carr, J.C. Beatson, R.K. Cherrie, J.B. Mitchell, T.J. Fright, W.R. McCallum B.C. Evans, T.R. 2001 , Reconstruction and Representation of 3D Objects with Radial Basis Functions ACM SIGGRAPH 2001, Los Angeles, CA, P. 67 76. ref this function looks like math mathbf f mathbf x sum i 1 N lambda i varphi mathbf x , mathbf c i math where math varphi math &mdash it is Radial basis function RBF math lambda math ... surface Hierarchical algorithm An idea of hierarchical Algorythm algorithm is an acceleration ... number of simple see picture . Image Sxema.gif In this case hierarchical division of space containing ... of which. The calculation of surface in this case is taken to the hierarchical on the basis of Tree ... 2D case is offered Pouderoux J. et al. ref Pouderox, J. et al. 2004 , Adaptive hierarchical RBF interpolation ... by Babkov V. ref Babkov, V.S. 2008 Modification of hierarchical RBF method for 3D modelling ... 08.pdf in Ukrainian ref References reflist DEFAULTSORT Hierarchical Rbf Category Geometric algorithms ... more details
Orphan date February 2009 Hierarchical proportion is a technique used in art, mostly in sculpture and painting , in which the artist uses unnatural Body proportions proportion or scale ratio scale to depict the relative importance of the figures in the artwork. For example, in Ancient Egypt Egyptian times, people of higher status would sometimes be drawn or sculpted larger than those of lower status. During the Dark Ages, people with more status had larger proportions than serfs. During the Renaissance images of the human body began to change proportion was used to depict the reality an artist interpreted. References Artforms by Preble, Preble, Frank Prentice Hall 2004 External links http www.mystudios.com art ancient egyptian egypt fowling.jpg Example image Category Artistic techniques art stub ... more details
Portal Free software Hierarchical INTegration , or HINT for short, is a computer Benchmark computing benchmark that ranks a computer system as a whole i.e. the entire computer instead of individual components . It measures the full range of performance, mostly based on the amount of work a computer can perform over time. A system with a very fast processor would likely be rated poorly if the Computer bus buses were very poor compared to those of another system that had both an average processor and average buses. For example, in the past, Apple Macintosh Macintosh computers with relatively slow processor speeds 800 MHz used to perform better than x86 based systems with processors running at nearly 2 GHz. HINT is widely known Who date March 2009 for being almost immune to artificial optimization. HINT can be used by many computers ranging from a calculator to a supercomputer. It was developed at the U.S. Department of Energy U.S. Department of Energy s Ames Laboratory and is licensed under the terms of the GNU General Public License . External links http www.scl.ameslab.gov Publications Inquiry Inquiry,winter1995.html article discussing HINT benchmark http www.ima.umn.edu coult soft.html benchmark sources download compu hardware stub Category Computer benchmarks ... more details
. Currently the most widely used hierarchical databases are Information Management System IMS developed by International Business Machines IBM and Windows Registry by Microsoft . History The hierarchical ...Hierarchical model redirects here. For the statistics usage, see hierarchical linear modeling or hierarchical Bayesian model . A hierarchical database model is a data model in which the data is organized into a Tree data structure tree like structure. The structure allows representing information using parent child relationships each parent can have many children, but each child has only one parent also known as a 1 to many relationship . All attributes of a specific record are listed under an entity type. File Hierarchical Model.svg thumb 320px Example of an hierarchical model In a database an entity ... used by virtually all mainstream database management systems. A relational database implementation of an hierarchical model was first discussed in published form in 1992 ref http www.kamfonas.com id3.html ... November 1992 ref see also nested set model . Hierarchical data organization schemes resurfaced with the advent ... ref . Examples of hierarchical data represented as relational tables An organization could store ... surfaced that the relational model could not model hierarchical data. See also Tree structure Hierarchical query References reflist External links Commonscat Hierarchical models http troels.arvin.dk db rdbms links hierarchical Troels links to Hierarchical data in RDBMSs http web.archive.org web 20110606032941 http dev.mysql.com tech resources articles hierarchical data.html Managing Hierarchical ... 2009 07 20 hierarchical data in mysql parents and children in one query Hierarchical ... Chart from Mutiple Tables.html Create Hierarchy Chart from Hierarchical Database Database models DEFAULTSORT Hierarchical Model Category Database models ar bg ... simple Hierarchical database model zh ... more details
Infobox file format name Hierarchical Data Format icon logo screenshot caption extension tt hdf tt , tt h4 tt , tt hdf4 tt , tt h5 tt , tt hdf5 tt , tt he4 tt , tt he5 tt mime type code uniform type magic owner released latest release version 5 1.8.8 latest release date Start date and age 2011 11 15 genre scientific data format container for license BSD contained by extended from extended to standard url URL www.hdfgroup.org Hierarchical Data Format HDF , HDF4 , or HDF5 is the name of a set of file formats and libraries designed to store and organize large amounts of numerical data . Originally developed at the National Center for Supercomputing Applications , it is currently supported by the non profit HDF Group, whose mission is to ensure continued development of HDF5 technologies, and the continued accessibility of data currently stored in HDF. In keeping with this goal, the HDF format, libraries and associated tools are available under a liberal, BSD like license for general use. HDF is supported by many commercial and non commercial software platforms, including Java programming ... it won an R&D 100 Award . ref http www.rdmag.com Awards RD 100 Awards 2002 09 Flexible Data Management ... and other groups This results in a truly hierarchical, filesystem like data format. In fact ... storage APIs representing images and tables can then be built up using datasets, groups and attributes .... The HDF5 data storage mechanism can be simpler and faster than an SQL star schema . Interfaces Officially ... uses HDF5 as primary storage format since version 3.5 IDL programming language IDL JHDF5 ref https ... MATLAB or Scilab use HDF5 as primary storage format in recent releases Mathematica ref http reference.wolfram.com ... HDF5 as main storage See also Common Data Format CDF FITS , a data format used in astronomy GRIB GRIdded ... Category Earth sciences data formats de Hierarchical Data Format fr Hierarchical Data Format ko HDF ru Hierarchical Data Format ... more details
unreferenced date June 2011 In computing , an enterprise storage ref cite web url http content.dell.com us en enterprise storage solutions what is it.aspx title What is Storage publisher Dell.com accessdate 2012 03 27 ref is the computer storage designed for large scale, high technology environments of the modern Company enterprises . When comparing to the consumer storage, it has higher scalability , higher Reliability engineering reliability , better fault tolerance , and much higher initial price. From the salesperson s point of view, the four main enterprise storage market s are computer storage Online storage large disk array solutions, minimizing access time to the data, and maximizing reliability Backup off line storage for data protection, with a smaller price per byte than online storage, but at a cost of higher average access time often uses sequential access storage, such as tape library tape libraries archive Archiving technically similar to backup , but its purpose is long term retention, management, and discovery of fixed content data to meet regulatory compliance, litigation protection, and storage cost optimization objectives Disaster recovery solutions, used to protect the data from localized disaster s, usually being a vital part of broader business continuity plan . The enterprise storage industry includes conferences http storagedecisions.techtarget.com Storage Decisions , http www.snwusa.com Storage Networking World , etc. , publications http searchstorage.techtarget.com Storage Magazine , http infostor.com InfoStor , etc. , and companies 3PAR , Atempo , Iron Mountain Incorporated Iron Mountain , Isilon , EMC Corporation EMC , DELL , Hewlett Packard HP , Hitachi Data Systems , IBM , Microsoft , NetApp , Novell , Open E , Pillar Data Systems , Sun Microsystems , Symantec Veritas Software , WhipTail, etc. . References reflist DEFAULTSORT Enterprise Storage Category Computer storage compu storage stub pt Armazenamento corporativo ... more details
Unreferenced date December 2006 A storage model is a model that captures key physical aspects of data structure in a data store. On the other hand, a data model is a model that captures key logical aspects of data structure in a database. Category Data management Compu storage stub ... more details
Category Information technology management Category Computer storage Virtualization de Storage Hypervisor ...In computing , a storage hypervisor is a portable software program that runs on a physical hardware platform ... nature of the storage hypervisor software refers to its flexibility to run on virtual machine or be hosted ... on August 20, 2011 by Mark Peters ref The storage hypervisor, a centrally managed Supervisory program supervisory software program, provides a comprehensive set of storage control and monitoring ... their high availability availability , speed and utilization. Storage hypervisors enhance the combined value of multiple disk storage systems, including dissimilar and incompatible models, by supplementing ... to a packaged storage system or appliance, the storage hypervisor and its functionality spans different models and brands and types of storage including SSD solid state disks , SAN storage area network and DAS direct attached storage and Unified Storage SAN and NAS covering a wide range of price and performance ... other nor bundled together. A storage hypervisor enables hardware interchangeability. The storage hardware underlying a storage hypervisor matters only in a generic way with regard to performance and capacity. While underlying features may be passed through the hypervisor, the benefits of a storage ... of the underlying physical storage may take place, without altering or interrupting the virtual storage environment that is presented. The storage hypervisor manages, virtualizes and controls all storage resources, allocating and providing the needed attributes performance, availability ... replication , either directly or over a storage network, as required to serve the needs of each individual environment. The term hypervisor within storage hypervisor is so named because it goes beyond ... a level higher than a supervisor and therefore acts as the next higher level of management and intelligence that sits above and spans its control over device level storage controllers, disk ... more details
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