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192
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
Recommender Systems, based on collaborative filtering (CF), aim to accurately predict user tastes, by minimising the mean error achieved on hidden test sets of user ratings, afte...
176
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SIGIR
2003
ACM
15 years 11 months ago
2003
ACM
The empirical investigation of the effectiveness of information retrieval (IR) systems requires a test collection, a set of query topics, and a set of relevance judgments made by ...
200
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SEMWEB
2009
Springer
15 years 11 months ago
2009
Springer
RDF is an increasingly important paradigm for the representation of information on the Web. As RDF databases increase in size to approach tens of millions of triples, and as sophis...
189
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DAGM
2010
Springer
15 years 6 months ago
2010
Springer
Content-based image retrieval requires a natural image (e.g, a photo) as query, but the absence of such a query image is usually the reason for a search. An easy way to express the...
396
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...