2733 search results - page 420 / 547 » The Constellation Query Language |
EKAW
2010
Springer
13 years 7 months ago
2010
Springer
Linked Data semantic sources, in particular DBpedia, can be used to answer many user queries. PowerAqua is an open multi-ontology Question Answering (QA) system for the Semantic We...
JMLR
2010
13 years 3 months ago
2010
: This review presents empirical researchers with recent advances in causal inference, and stresses the paradigmatic shifts that must be undertaken in moving from traditional stati...
SIGIR
2011
ACM
12 years 11 months ago
2011
ACM
Pseudo-relevance feedback has proven effective for improving the average retrieval performance. Unfortunately, many experiments have shown that although pseudo-relevance feedback...
WWW
2009
ACM
14 years 9 months ago
2009
ACM
General image retrieval is often carried out by a text-based search engine, such as Google Image Search. In this case, natural language queries are used as input to the search eng...
ICDE
2010
IEEE
14 years 8 months ago
2010
IEEE
Abstract-Unstructured text represents a large fraction of the world's data. It often contain snippets of structured information within them (e.g., people's names and zip ...