Sciweavers

726 search results - page 117 / 146
» Extended Query Answering Using Integrity Rules
Sort
View
VLDB
2004
ACM
137views Database» more  VLDB 2004»
14 years 2 months ago
Schema-Free XQuery
The widespread adoption of XML holds out the promise that document structure can be exploited to specify precise database queries. However, the user may have only a limited knowle...
Yunyao Li, Cong Yu, H. V. Jagadish
DEXA
2009
Springer
173views Database» more  DEXA 2009»
14 years 3 months ago
Incremental Ontology-Based Extraction and Alignment in Semi-structured Documents
SHIRI 1 is an ontology-based system for integration of semistructured documents related to a specific domain. The system’s purpose is to allow users to access to relevant parts ...
Mouhamadou Thiam, Nacéra Bennacer, Nathalie...
ICDE
2007
IEEE
159views Database» more  ICDE 2007»
14 years 10 months ago
The Multi-Relational Skyline Operator
Most of the existing work on skyline query has been extensively used in decision support, recommending systems etc, and mainly focuses on the efficiency issue for a single table. ...
Wen Jin, Martin Ester, Zengjian Hu, Jiawei Han
ICDE
2003
IEEE
148views Database» more  ICDE 2003»
14 years 10 months ago
Efficient Computation of Subqueries in Complex OLAP
Expressing complex OLAP queries using group-by, aggregation, and joins can be extremely difficult. As a result of this, many alternate ways of expressing such queries have been de...
Michael H. Böhlen, Michael O. Akinde
KBS
2007
74views more  KBS 2007»
13 years 8 months ago
Representation and processing of information related to real world events
Event based analysis plays an important role in reducing the latency of information delivery in an event driven world. Also, the perception of an ‘event’ by a user is at a hig...
Aparna Nagargadde, V. Sridhar, Krithi Ramamritham