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AIIA
2007
Springer
16 years 1 months ago
Instance-Based Query Answering with Semantic Knowledge Bases
A procedure founded in instance-based learning is presented, for performing a form of analogical reasoning on knowledge bases expressed in a wide range of ontology languages. The p...
Nicola Fanizzi, Claudia d'Amato, Floriana Esposito
CBMS
2006
IEEE
16 years 27 days ago
A Query-Based Medical Information Summarization System Using Ontology Knowledge
As huge amounts of knowledge are created rapidly, effective information access becomes an important issue. Especially for critical domains, such as medical and financial areas, e...
Ping Chen, Rakesh M. Verma
ICITA
2005
IEEE
16 years 13 days ago
Searching the Web: From Keywords to Semantic Queries
Within the emergent Semantic Web framework, the use of traditional web search engines based on keywords provided by the users is not adequate anymore. Instead, new methods based o...
José A. Royo, Eduardo Mena, Jorge Bernad, A...
194
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SIGMOD
2005
ACM
136views Database» more  SIGMOD 2005»
16 years 11 days ago
Optimizing recursive queries in SQL
Recursion represents an important addition to the SQL language. This work focuses on the optimization of linear requeries in SQL. To provide an abstract framework for discussion, ...
Carlos Ordonez
IDEAS
2002
IEEE
135views Database» more  IDEAS 2002»
15 years 11 months ago
On Implicate Discovery and Query Optimization
Boolean expression simplification is a well-known problem in the history of Computer Science. The problem of determining prime implicates from an arbitrary Boolean expression has...
Kristofer Vorwerk, G. N. Paulley