Výsledky vyhledávání

Autor: Knut Stolze, Lingyun Wang, Dennis Butterstein, Daniel Martin, Felix Beier, Jia Zhong

Publikováno v: Proceedings of the VLDB Endowment. 13:3245-3257

The IBM Db2 Analytics Accelerator (IDAA) is a state-of-the art hybrid database system that seamlessly extends the strong transactional capabilities of Db2 for z/OS with the very fast column-store processing in Db2 Warehouse. The Accelerator maintains

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::31b7ec2f78235ae11063f8434b03e598
https://doi.org/10.14778/3415478.3415548

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Akademický článek

Matter-wave collimation to picokelvin energies with scattering length and potential shape control

Autor: Alexander Herbst, Timothé Estrampes, Henning Albers, Robin Corgier, Knut Stolzenberg, Sebastian Bode, Eric Charron, Ernst M. Rasel, Naceur Gaaloul, Dennis Schlippert

Publikováno v: Communications Physics, Vol 7, Iss 1, Pp 1-8 (2024)

Abstract The sensitivity of atom interferometers depends on their ability to realize long pulse separation times and prevent loss of contrast by limiting the expansion of the atomic ensemble within the interferometer beam through matter-wave collimat

Externí odkaz: https://doaj.org/article/8ea093e68ecb4705b500c7fdca9a9cf1

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Architecture of a data analytics service in hybrid cloud environments

Autor: Felix Beier, Knut Stolze

Publikováno v: it - Information Technology. 59:151-158

DB2 for z/OS is the backbone of many transactional systems in the world. IBM DB2 Analytics Accelerator (IDAA) is IBM's approach to enhance DB2 for z/OS with very fast processing of OLAP and analytical SQL workload. While IDAA was originally designed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d80aa8bb3e00a78085dcd21f0fe5f596
https://doi.org/10.1515/itit-2016-0050

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Joins on encoded and partitioned data

Autor: Vincent Kulandai Samy, Oliver Draese, Lin Qiao, Sam Lightstone, Knut Stolze, Naresh K. Chainani, Jae-Gil Lee, Min-Soo Kim, Gopi K. Attaluri, Ippokratis Pandis, Konstantinos Morfonios, Frederick Ho, Guy M. Lohman, Vijayshankar Raman, Stratos Idreos, Keshava Murthy, Richard S. Sidle, Ronald J. Barber, Liping Zhang

Publikováno v: Proceedings of the VLDB Endowment. 7:1355-1366

Compression has historically been used to reduce the cost of storage, I/Os from that storage, and buffer pool utilization, at the expense of the CPU required to decompress data every time it is queried. However, significant additional CPU efficiencie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::743855c3bfbf892d5c5cce0c6752ecd7
https://doi.org/10.14778/2733004.2733008

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Integrating Cluster-Based Main-Memory Accelerators in Relational Data Warehouse Systems

Autor: Kai-Uwe Sattler, Oliver Koeth, Felix Beier, Knut Stolze

Publikováno v: Datenbank-Spektrum. 11:101-110

Today, data warehouse systems are faced with challenges for providing nearly realtime response times even for complex analytical queries on enormous data volumes. Highly scalable computing clusters in combination with parallel in-memory processing of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d81e640516c5b51772e2c484a57a6288
https://doi.org/10.1007/s13222-011-0056-4

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Efficient interval management using object-relational database servers

Autor: Knut Stolze, Jost Enderle, Thomas Seidl, Christoph Brochhaus, Achim Schlosser

Publikováno v: Informatik - Forschung und Entwicklung. 20:121-137

Benutzerdefinierte Datentypen wie beispielsweise Intervalle setzen zur effizienten Realisierung von Suchanfragen spezialisierte Zugriffsmethoden voraus. Da nicht fur jeden denkbaren Datentyp datenbankseitig auch die entsprechenden Indexstrukturen und

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2d4754d6a2a7f5c3c0448055ff201331
https://doi.org/10.1007/s00450-005-0207-7

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Elasticity in Cloud Databases and Their Query Processing

Autor: Goetz Graefe, Elaheh Pourabbas, Thomas Neumann, Todd Eavis, Knut Stolze, Anisoara Nica, David Fekete, Ilia Petrov

Publikováno v: International journal of data warehousing and mining 9(2) (2013): 1–20. doi:10.4018/jdwm.2013040101
info:cnr-pdr/source/autori:Graefe G.; Nica A.; Stolze K.; Neumann T.; Eavis T.; Petrov I.; Pourabbas E.; Fekete D./titolo:Elasticity in Cloud Databases and Their Query Processing/doi:10.4018%2Fjdwm.2013040101/rivista:International journal of data warehousing and mining/anno:2013/pagina_da:1/pagina_a:20/intervallo_pagine:1–20/volume:9(2)

A central promise of cloud services is elastic, on-demand provisioning. For data-intensive services such as data management, growing and shrinking the set of nodes im-plies copying data to nodes with temporary membership in a service. The provisionin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df4249e0589fdefb8144d652919bf760
http://www.cnr.it/prodotto/i/194306

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WYSIWYE: An Algebra for Expressing Spatial and Textual Rules for Information Extraction

Autor: Prasad M. Deshpande, Ramakrishna Varadarajan, Knut Stolze, Raghuram Krishnapuram, Vijil Chenthamarakshan

Publikováno v: Web-Age Information Management ISBN: 9783642322808
WAIM

The visual layout of a webpage can provide valuable clues for certain types of Information Extraction (IE) tasks. In traditional rule based IE frameworks, these layout cues are mapped to rules that operate on the HTML source of the webpages. In contr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1fcd76f7434dfca25bd503208f3788dd
https://doi.org/10.1007/978-3-642-32281-5_41

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Blink: Not Your Father’s Database!

Publikováno v: Lecture Notes in Business Information Processing ISBN: 9783642334993
BIRTE

The Blink project’s ambitious goals are to answer all Business Intelligence (BI) queries in mere seconds, regardless of the database size, with an extremely low total cost of ownership. It takes a very innovative and counter-intuitive approach to p

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https://doi.org/10.1007/978-3-642-33500-6_1

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Online reorganization in read optimized MMDBS

Autor: Knut Stolze, Kai-Uwe Sattler, Felix Beier

Publikováno v: SIGMOD Conference

Query performance is a critical factor in modern business intelligence and data warehouse systems. An increasing number of companies uses detailed analyses for conducting daily business and supporting management decisions. Thus, several techniques ha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3964edfb7c54d01b5e4c149ec04c50d9
https://doi.org/10.1145/1989323.1989443

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