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ICDE
2007
IEEE
128views Database» more  ICDE 2007»
16 years 3 months ago
Efficient Evaluation of All-Nearest-Neighbor Queries
The All Nearest Neighbor (ANN) operation is a commonly used primitive for analyzing large multi-dimensional datasets. Since computing ANN is very expensive, in previous works R*-t...
Yun Chen, Jignesh M. Patel
ICDE
2006
IEEE
188views Database» more  ICDE 2006»
16 years 3 months ago
Efficiently Evaluating Order Preserving Similarity Queries over Historical Market-Basket Data
We introduce a new domain-independent framework for formulating and efficiently evaluating similarity queries over historical data, where given a history as a sequence of timestam...
Reza Sherkat, Davood Rafiei
CIKM
2009
Springer
15 years 9 months ago
iPoG: fast interactive proximity querying on graphs
Given an author-conference graph, how do we answer proximity queries (e.g., what are the most related conferences for John Smith?); how can we tailor the search result if the user...
Hanghang Tong, Huiming Qu, Hani Jamjoom, Christos ...
132
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SEMWEB
2009
Springer
15 years 9 months ago
Queries to Hybrid MKNF Knowledge Bases through Oracular Tabling
An important issue for the Semantic Web is how to combine open-world ontology languages with closed-world (non-monotonic) rule paradigms. Several proposals for hybrid languages all...
José Júlio Alferes, Matthias Knorr, ...
123
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RIAO
2004
15 years 3 months ago
Combining Positive and Negative Query Feedback in Passage Retrieval
Information Retrieval Systems aim at retrieving relevant documents according to the information needs which users express. Most Information Retrieval Systems focus on passage retr...
Taoufiq Dkaki, Josiane Mothe