2121 search results - page 150 / 425 » Indexing Incomplete Databases |
262
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VLDB
2009
ACM
16 years 6 months ago
2009
ACM
We address the problem of providing privacypreserving search over distributed accesscontrolled content. Indexed documents can be easily reconstructed from conventional (inverted) ...
191
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SIGMOD
2012
ACM
13 years 8 months ago
2012
ACM
Query substitution is an important problem in information retrieval. Much work focuses on how to find substitutes for any given query. In this paper, we study how to efficiently ...
151
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DEXAW
2008
IEEE
16 years 17 days ago
2008
IEEE
— One of the critical issues in search engines is the size of search indexes: as the number of documents handled by an engine increases, the search must preserve its efficiency,...
310
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ICDE
2009
IEEE
16 years 7 months ago
2009
IEEE
Abstract-- Answering approximate queries on string collections is important in applications such as data cleaning, query relaxation, and spell checking, where inconsistencies and e...
168
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
In this paper, we attempt to approximate and index a ddimensional (d 1) spatio-temporal trajectory with a low order continuous polynomial. There are many possible ways to choose ...