3678 search results - page 531 / 736 » Personalization of Queries in Database Systems |
184
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EDBT
2010
ACM
16 years 1 months ago
2010
ACM
When selecting alternatives from large amounts of data, trade-offs play a vital role in everyday decision making. In databases this is primarily reflected by the top-k retrieval p...
194
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DEXA
1998
Springer
15 years 10 months ago
1998
Springer
Abstract. To achieve acceptable query response times in data warehouse environments, the data have to be pre-aggregated according to the need of the applications and stored redunda...
274
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...
167
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AMR
2005
Springer
16 years 5 hour ago
2005
Springer
Abstract. To automatically retrieve documents or images from a database, retrieval systems use similarity measures to compare a request based on features extracted from the documen...
190
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ACL
2009
15 years 4 months ago
2009
We present a new approach to learning a semantic parser (a system that maps natural language sentences into logical form). Unlike previous methods, it exploits an existing syntact...