24105 search results - page 253 / 4821 » Models in Information Retrieval |
193
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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 14 hour 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...
160
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SIGIR
2002
ACM
15 years 6 months ago
2002
ACM
Topic Detection and Tracking (TDT) tasks are evaluated using a cost function. The standard TDT cost function assumes a constant probability of relevance P(rel) across all topics. ...
158
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ICIP
2005
IEEE
16 years 5 days ago
2005
IEEE
This paper presents a Bayesian Network model for ContentBased Image Retrieval (CBIR). In the explanation and test of this work, only two images features (semantic evidences) are i...
159
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SPATIALCOGNITION
2004
Springer
15 years 12 months ago
2004
Springer
Wayfinding, i.e. getting from some origin to a destination, is one of the prime everyday problems humans encounter. It has received a lot of attention in research and many (commerc...