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ICDE
2007
IEEE
128views Database» more  ICDE 2007»
16 years 3 months ago
SQL Queries Over Unstructured Text Databases
Text documents often embed data that is structured in nature. By processing a text database with information extraction systems, we can define a variety of structured "relati...
Alpa Jain, AnHai Doan, Luis Gravano
NLDB
2007
Springer
15 years 8 months ago
Cross-Lingual Information Retrieval by Feature Vectors
This paper investigates query translation in cross-lingual information retrieval, especially the challenges caused by ambiguity and polysemi. We base our ideas on feature vectors a...
Jeanine Lilleng, Stein L. Tomassen
DATAMINE
1999
80views more  DATAMINE 1999»
15 years 2 months ago
MSQL: A Query Language for Database Mining
The tremendous number of rules generated in the mining process makes it necessary for any good data mining system to provide for powerful query primitives to post-process the gener...
Tomasz Imielinski, Aashu Virmani
CIKM
2004
Springer
15 years 6 months ago
Efficient processing of XML twig patterns with parent child edges: a look-ahead approach
With the growing importance of semi-structure data in information exchange, much research has been done to provide an effective mechanism to match a twig query in an XML database....
Jiaheng Lu, Ting Chen, Tok Wang Ling
GIS
2007
ACM
15 years 6 months ago
Pipelined spatial join processing for quadtree-based indexes
Spatial join is an important yet costly operation in spatial databases. In order to speed up the execution of a spatial join, the input tables are often indexed based on their spa...
Walid G. Aref