641 search results - page 63 / 129 » Studying Query Expansion Effectiveness |
SIGMOD
2010
ACM
13 years 9 months ago
2010
ACM
Automated extraction of structured data from Web sources often leads to large heterogeneous knowledge bases (KB), with data and schema items numbering in the hundreds of thousands...
ICDE
2009
IEEE
13 years 6 months ago
2009
IEEE
There is much effort to develop comprehensive support for the storage and querying of XML data in database management systems. The major developers have extended their systems to h...
DEXA
2005
Springer
14 years 2 months ago
2005
Springer
Finding all the occurrences of a twig pattern in an XML database is a core operation for efficient evaluation of XML queries. Holistic twig join algorithm has showed its superiorit...
CIKM
2003
Springer
14 years 2 months ago
2003
Springer
The research proposed here concentrates on the problem of designing and developing a spoken query retrieval (SQR) system to access large document databases via voice. The main cha...
SAC
2008
ACM
13 years 8 months ago
2008
ACM
The problem of trajectory similarity has been recently attracted research interest considerably, due to its importance in diverse fields. In this work, we study trajectory similar...