2099 search results - page 64 / 420 » Similarity for Conceptual Querying |
116
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ECIR
2008
Springer
15 years 2 months ago
2008
Springer
Abstract. We investigate the potential of coherence-based scores to predict query difficulty. The coherence of a document set associated with each query word is used to capture the...
110
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ICDE
1993
IEEE
15 years 5 months ago
1993
IEEE
To add time su port to the relational model, both first normal form (fNF and non-INF appmches have maining within 1NF when time support is added may introduce data redundancy. The...
SIGIR
2000
ACM
15 years 5 months ago
2000
ACM
Abstract The explosion of content in distributed information retrieval (IR) systems requires new mechanisms to attain timely and accurate retrieval of unstructured text. In this pa...
111
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PVLDB
2008
15 years 25 days ago
2008
Reading and perceiving complex SQL queries has been a time consuming task in traditional database applications for decades. When it comes to decision support systems with automati...
100
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VLDB
2004
ACM
15 years 6 months ago
2004
ACM
PLASTIC [1] is a recently-proposed tool to help query optimizers significantly amortize optimization overheads through a technique of plan recycling. The tool groups similar quer...