726 search results - page 5 / 146 » Capacity-Constrained Query Formulation |
SWAP
2007
13 years 9 months ago
2007
Abstract. Recent research showed the benefits of adopting formal ontologies as a means for accessing heterogeneous data sources. The use of an ontology not only provides a uniform...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between query scores and data uncertainty ma...
ACE
2003
13 years 9 months ago
2003
Being able to formulate useful SQL queries is a fundamental skill required by many software development professionals. Mastering this skill is a difficult process, requiring consi...
ECIR
1998
Springer
13 years 9 months ago
1998
Springer
The impact of using phrases as content representation for documents and for queries has generally been accepted as a desirable feature in information retrieval systems because phr...
CLEF
2009
Springer
13 years 8 months ago
2009
Springer
In this paper we describe our participation in CLEF-IP 2009 (prior art search task). This was the first year of the task and we focused on how to build effectively a prior art quer...