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SIGMOD
1998
ACM
86views Database» more  SIGMOD 1998»
14 years 9 months ago
An Extensible Notation for Spatiotemporal Index Queries
Vassilis J. Tsotras, Christian S. Jensen, Richard ...
IR
2010
14 years 6 months ago
Statistical query expansion for sentence retrieval and its effects on weak and strong queries
The retrieval of sentences that are relevant to a given information need is a challenging passage retrieval task. In this context, the well-known vocabulary mismatch problem arises...
David E. Losada
SIGMOD
2010
ACM
188views Database» more  SIGMOD 2010»
15 years 2 months ago
A demonstration of FlexPref: extensible preference evaluation inside the DBMS engine
This demonstration presents FlexPref, a framework implemented inside the DBMS query processor that enables efficient and extensible preference query processing. FlexPref provides ...
Justin J. Levandoski, Mohamed F. Mokbel, Mohamed E...
ICDE
1999
IEEE
114views Database» more  ICDE 1999»
15 years 10 months ago
Universal Temporal Extensions for Database Languages
Temporal reasoning and temporal query languages present di cult research problems of theoretical interest and practical importance. One problem is the chasm between point-based te...
Cindy Xinmin Chen, Carlo Zaniolo
WWW
2004
ACM
15 years 10 months ago
Texquery: a full-text search extension to xquery
One of the key benefits of XML is its ability to represent a mix of structured and unstructured (text) data. Although current XML query languages such as XPath and XQuery can expr...
Sihem Amer-Yahia, Chavdar Botev, Jayavel Shanmugas...