2607 search results - page 247 / 522 » An Ontology-Based Information Retrieval Model |
157
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
Almost every application of spreading activation is accompanied by its own set of often heuristic restrictions on the dynamics. We show that in constraint-free scenarios spreading...
168
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SIGIR
2010
ACM
15 years 10 months ago
2010
ACM
In this paper, we present a folksonomy-based approach for implicit user intent extraction during a Web search process. We present a number of result re-ranking techniques based on...
192
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
We address the task of separating personal from non-personal blogs, and report on a set of baseline experiments where we compare the performance on a small set of features across ...
194
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DEBU
2007
15 years 6 months ago
2007
An indexing model is the heart of an Information Retrieval (IR) system. Data structures such as term based inverted indices have proved to be very effective for IR using vector sp...
191
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MM
2004
ACM
16 years 2 days ago
2004
ACM
Image annotations allow users to access a large image database with textual queries. There have been several studies on automatic image annotation utilizing machine learning techn...