1059 search results - page 38 / 212 » Improving Semantic Query Answering |
ER
2003
Springer
14 years 3 months ago
2003
Springer
We consider the problem of improving the efficiency of query processing on an XML interface of a relational database, for predefined query workloads. The main contribution of this ...
AIIA
2007
Springer
14 years 4 months ago
2007
Springer
In this paper we compare four selection strategies in evolutionary optimization of information retrieval (IR) in a question answering setting. The IR index has been augmented by li...
TREC
2001
2001
SiteQ: Engineering High Performance QA System Using Lexico-Semantic Pattern Matching and Shallow NLP
13 years 11 months ago
s In TREC-10, we participated in the web track (only ad-hoc task) and the QA track (only main task). In the QA track, our QA system (SiteQ) has general architecture with three proc...
ICDE
2007
IEEE
14 years 11 months ago
2007
IEEE
Linear optimization queries retrieve the top-K tuples in a sliding window of a data stream that maximize/minimize the linearly weighted sums of certain attribute values. To effici...
SEMWEB
2007
Springer
14 years 4 months ago
2007
Springer
This paper shows how a Fuzzy Ontology based approach can improve semantic documents retrieval. After formally defining a Fuzzy Knowledge Base, it is discussed a special type of ne...