530 search results - page 16 / 106 » Extensible Query Processing in Starburst |
PVLDB
2008
14 years 11 months ago
2008
Unlike traditional database queries, keyword queries do not adhere to predefined syntax and are often dirty with irrelevant words from natural languages. This makes accurate and e...
CICLING
2005
Springer
15 years 5 months ago
2005
Springer
Abstract. With the current method of query formation, a Question Answering system retrieves a set of documents that are similar to a question, while what is mostly required is a se...
109
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DPD
2006
14 years 11 months ago
2006
A common technique used to minimize I/O in data intensive applications is data declustering over parallel servers. This technique involves distributing data among several disks so...
167
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VLDB
2009
ACM
15 years 12 months ago
2009
ACM
We consider the problem of using sampling to estimate the result of an aggregation operation over a subset-based SQL query, where a subquery is correlated to an outer query by a NO...
DLOG
2010
14 years 9 months ago
2010
We develop a query algebra that supports efficient assertion retrieval--a natural extension of instance retrieval. The algebra is based on previously developed techniques for index...