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» SQL Queries Over Unstructured Text Databases
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SIGMOD
2007
ACM
225views Database» more  SIGMOD 2007»
14 years 7 months ago
From complete to incomplete information and back
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
Lyublena Antova, Christoph Koch, Dan Olteanu
SIGMOD
2011
ACM
331views Database» more  SIGMOD 2011»
12 years 10 months ago
Query optimization techniques for partitioned tables
Table partitioning splits a table into smaller parts that can be accessed, stored, and maintained independent of one another. From their traditional use in improving query perform...
Herodotos Herodotou, Nedyalko Borisov, Shivnath Ba...
SIGMOD
2004
ACM
128views Database» more  SIGMOD 2004»
14 years 7 months ago
A TeXQuery-Based XML Full-Text Search Engine
We demonstrate an XML full-text search engine that implements the TeXQuery language. TeXQuery is a powerful fulltext search extension to XQuery that provides a rich set of fully c...
Chavdar Botev, Jayavel Shanmugasundaram, Sihem Ame...
ERSHOV
2006
Springer
13 years 11 months ago
Chase of Recursive Queries
In this work, we present a semantic query optimization technique to improve the efficiency of the evaluation of a subset of SQL:1999 recursive queries. Using datalog notation, we c...
Nieves R. Brisaboa, Antonio Fariña, Miguel ...
BTW
2003
Springer
92views Database» more  BTW 2003»
14 years 18 days ago
A Logical, Transparent Model for Querying Linked XML Documents
Abstract:The W3C XML Linking Language (XLink) provides a powerful means for interlinking XML documents all over the world. While the effects when browsing through linked XML docume...
Wolfgang May, Dimitrio Malheiro