588 search results - page 54 / 118 » Positive higher-order queries |
135
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
This paper reports our first set of results on managing uncertainty in data integration. We posit that data-integration systems need to handle uncertainty at three levels, and do...
138
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CLEF
2004
Springer
15 years 9 months ago
2004
Springer
Abstract. This paper describes an experimental investigation of interactive techniques for cross-language information access. The task was to answer factual questions from a large ...
157
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SIGIR
2010
ACM
15 years 8 months ago
2010
ACM
In this paper, we present a novel image search system, image search by concept map. This system enables users to indicate not only what semantic concepts are expected to appear bu...
140
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MM
2010
ACM
15 years 4 months ago
2010
ACM
Searching for small objects (e.g., logos) in images is a critical yet challenging problem. It becomes more difficult when target objects differ significantly from the query object...
137
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IANDC
2006
15 years 4 months ago
2006
This paper studies the complexity of learning classes of expressions in propositional logic from equivalence queries and membership queries. In particular, we focus on bounding th...