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» Indexing Biometric Databases Using Pyramid Technique
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199
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ICDE
1999
IEEE
106views Database» more  ICDE 1999»
16 years 3 months ago
Processing Operations with Restrictions in RDBMS without External Sorting: The Tetris Algorithm
Most operations of the relational algebra or SQL require a sorted stream of tuples for efficient processing. Therefore, processing complex relational queries relies on efficient a...
Volker Markl, Martin Zirkel, Rudolf Bayer
125
Voted
PVLDB
2010
136views more  PVLDB 2010»
15 years 22 days ago
SigMatch: Fast and Scalable Multi-Pattern Matching
Multi-pattern matching involves matching a data item against a large database of “signature” patterns. Existing algorithms for multipattern matching do not scale well as the s...
Ramakrishnan Kandhan, Nikhil Teletia, Jignesh M. P...
TDM
2004
122views Database» more  TDM 2004»
15 years 3 months ago
Retrieval Using Structure for Question Answering
This paper examines the use of XML for modern extractionbased question answering (QA). We feel that the XML community has taken too narrow a view of structured retrieval, and that...
Paul Ogilvie
ICDE
2006
IEEE
185views Database» more  ICDE 2006»
15 years 8 months ago
Don't be a Pessimist: Use Snapshot based Concurrency Control for XML
Currently, only few XML data management systems support concurrent access to an XML document, and if they do, they typically apply variations of hierarchical locking to handle XML...
Zeeshan Sardar, Bettina Kemme
304
Voted

Tutorial
905views
17 years 2 months ago
Location-aware Query Processing and Optimization
The wide spread use of cellular phones, handheld devices, and GPS-like technology enables location-aware environments where virtually all objects are aware of their locations. Loca...