687 search results - page 10 / 138 » Query Transformation for PSJ-Queries |
READING
2004
Springer
14 years 1 months ago
2004
Springer
Document Transformation techniques have been studied for decades. In this paper, a new approach for a significant improvement is presented based on using a new query expansion met...
CIKM
2000
Springer
14 years 28 days ago
2000
Springer
The complexity of deploying high-performance spatial structures in transactional DBMS environments has motivated researchers to experiment with the idea of reusing the effort inve...
SIS
2007
13 years 10 months ago
2007
Access control models for XML data can be classified in two major categories: node filtering and query rewriting systems. The first category includes approaches that use access ...
SIGIR
2002
ACM
13 years 8 months ago
2002
ACM
Query ambiguity is a generally recognized problem, particularly in Web environments where queries are commonly only one or two words in length. In this study, we explore one techn...
SSD
2007
Springer
14 years 2 months ago
2007
Springer
We address continuously processing an aggregation join query over data streams. Queries of this type involve both join and aggregation operations, with windows specified on join ...