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MonetDB: A high performance database kernel for query-intensive applications Peter Boncz CWI Amsterdam The Netherlands boncz@cwi.nl Contents The Architecture of ...
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Radix-Join (partitioned nested-loop) Partitioned Joins: Straightforward Clustering ... MonetDB Experiments: Radix-Join. MonetDB Experiments: Overall Performance ...
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Title: No Slide Title Author: cwi-user Last modified by: S ndor H man Created Date: 10/10/2001 12:08:28 PM Document presentation format: On-screen Show
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MonetDB/XQuery Technology Preview 1 Stefan Manegold CWI Amsterdam http://monetdb.cwi.nl/ - http://pathfinder-xquery.org/ European Pathfinder Team University of ...
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MonetDB: Open-source Database Technology Beyond Textbooks http://monetdb.cwi.nl/ Stefan Manegold Stefan.Manegold@cwi.nl http://homepages.cwi.nl/~manegold/
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Title: MonetDB/XQuery Technology Preview 1 Last modified by: manegold Document presentation format: On-screen Show Other titles: Times New Roman Arial Courier New ...
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Transparent, light-weight compression. Keyword Search. Inverted index: TD(termid, docid, score) ... score: Okapi - quantize - PFOR compress. Compressed Block Layout ...
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Dutch-Belgium DataBase Day University of Antwerp, 2004.12.03 MonetDB/x100 Peter Boncz, Marcin Zukowski, Niels Nes Introduction What is x100 ? A new query processing ...
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Database management systems are BIG software systems. Oracle, SQL ... (160 K *.mx) SQLite 40K lines ... SQLite. MySQL. PostgreSQL. MonetDB. Not all are ...
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ADT 2005 Lecture 10 Relational XQuery (Bomen, Bloemen & Tabellen) Stefan Manegold Stefan.Manegold@cwi.nl http://www.cwi.nl/~manegold/ XQuery Systems: 2 Approaches The ...
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Vectorizing the Volcano Iterator Model. Why & how vectorized ... (we use both PAX and DSM) ColumnBM (buffer manager) X100 query engine. CPU. cache (raid) ...
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Cracking the database store The far side of the Moon Martin Kersten, Stefan Manegold Centre for Mathematics and Computer Science Amsterdam The Moon The Moon Duality ...
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In the introductory chapters we provide the motivation for this ... NSM vs DSM vs PAX. Heavy use of random-access indices. Little focus on scan-based queries ...
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A Query Language for a Data Refinery Cell. Martin Kersten, Erietta Liarou, Romulo Goncalves ... from [select p.* from metronome(1 hour) as m, presence as p] ...
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OTB Research Institute for Housing, Urban and Mobility Studies. Spatial DBMS issues ... Relational algebra (1) a relational languages proposed by Codd. implementable ...
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Cache-Aware Query Optimization, Scheduling, and Partitioning for Multicore (A Research Proposal for Optimizing DBMS on CMP) (Focusing on Decision Support Queries)
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Title: CS 245: Database System Principles Author: Siroker Last modified by: Elke Created Date: 7/13/1999 7:55:20 PM Document presentation format: On-screen Show (4:3)
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Title: Slide 1 Author: CWI Last modified by: Peter en Cecilia Created Date: 6/26/2006 3:27:58 PM Document presentation format: On-screen Show Other titles
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WHERE a1 yields variable selectivity. massachusetts institute of technology. 11 ... Narrow tuple: 10% selectivity. Memory stalls disappear in narrow tuples ...
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Spatial and Geographic Databases Database extensions Database management research is continuously expanding its scope of applicability Problems encountered: What is ...
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Title: Chapter 10: XML Author: Kersten Last modified by: Kersten Created Date: 10/27/2003 8:18:07 PM Document presentation format: On-screen Show Company
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Cuckoo Hashing. Two hash functions, two offsets. Inside value in one of the offsets ... Cuckoo lookup (na ve) offset1 = HASH1(key) % size; offset2 = HASH2(key) ...
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Very, very big analytic database. Big analytic database handled very cost-effectively ... Big Data. Operational analytics. Metrics a first cut. Total user data ...
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research in the humanities - mostly done in the domain of so called text ... favoured by the humanities community. main standard used: TEI. Stand-off markup: ...
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CNRS (PRiSM, LRI, LEST, IRISSO) Main goals. Computer Science: XML based web warehousing ... Web standards (XML): Xquery, XML Schema. The XML standardization process ...
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CPU intensive. Amenable to parallelization. Query evaluation strategy ... The Volcano model is CPU intensive and inefficient. Try to maximize performance ...
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How to express the view? How to 'compose' the client query with the view, ... Mixed And Redundant Storage (MARS) initial configuration. view of proprietary. data ...
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Britney. Spears. Tony. Ward. Carlos. Leon. girlfriend. boyfriend. husband. boyfriend. boyfriend ... photos, videos, sound, sheetmusic of. entities (people, ...
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XML-QL, Quilt, XQL, ... Tree Model of XML Data ... XQuery is derived from the Quilt query language, which itself borrows from SQL, XQL and XML-QL ...
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Parallel world, invent parallel versions of well-known algorithms, mostly based ... Called Volcano query processing model. Standard in commercial systems and ...
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It is not good to process the deleted labels in this way. ... The update cost of Reuse is higher, it needs to compare labels symbol by symbol ...
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Spatial and Geographic Databases. Database extensions ... of any waterway that are within 20 km downstream of a specific geographic point ...
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MARS for a query rewriting engine [VLDB03] Input: XQuery, XICs ... 8 queries fail to finish (all bars touching the highest grid indicate out-of-memory error) ...
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Sensor networks, e.g. small footprint and energy-wise computing. Context ... Users can add new tags, and separately specify how the tag should be handled for display ...
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facts about facts represented by reification as first-order facts. e314159. e314159 ... YAGO knows (almost) all (interesting) entities ...
