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» Effective and Efficient Indexing for Large Video Databases
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SSDBM
2002
IEEE
149views Database» more  SSDBM 2002»
15 years 11 months ago
A Cost Model for Interval Intersection Queries on RI-Trees
The efficient management of interval data represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tree1 ), an effi...
Hans-Peter Kriegel, Martin Pfeifle, Marco Pöt...
SIGMOD
2007
ACM
144views Database» more  SIGMOD 2007»
16 years 6 months ago
The TopX DB&IR engine
This paper proposes a demo of the TopX search engine, an extensive framework for unified indexing, querying, and ranking of large collections of unstructured, semistructured, and ...
Martin Theobald, Ralf Schenkel, Gerhard Weikum
WWW
2008
ACM
16 years 6 months ago
Sailer: an effective search engine for unified retrieval of heterogeneous xml and web documents
This paper studies the problem of unified ranked retrieval of heterogeneous XML documents and Web data. We propose an effective search engine called Sailer to adaptively and versa...
Guoliang Li, Jianhua Feng, Jianyong Wang, Xiaoming...
151
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SIGMOD
2004
ACM
118views Database» more  SIGMOD 2004»
16 years 6 months ago
Effective Use of Block-Level Sampling in Statistics Estimation
Block-level sampling is far more efficient than true uniform-random sampling over a large database, but prone to significant errors if used to create database statistics. In this ...
Surajit Chaudhuri, Gautam Das, Utkarsh Srivastava
SIGMOD
2002
ACM
118views Database» more  SIGMOD 2002»
16 years 6 months ago
Compressing SQL workloads
Recently several important relational database tasks such as index selection, histogram tuning, approximate query processing, and statistics selection have recognized the importan...
Surajit Chaudhuri, Ashish Kumar Gupta, Vivek R. Na...