664 search results - page 101 / 133 » Generalized Search Trees for Database Systems |
SAC
2009
ACM
15 years 6 months ago
2009
ACM
Today user-centered information acquisition over collections of complex XML documents is increasingly in demand. To this end, preferences have become an important paradigm enablin...
CIKM
2009
Springer
15 years 6 months ago
2009
Springer
Information retrieval systems conventionally assess document relevance using the bag of words model. Consequently, relevance scores of documents retrieved for different queries a...
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CIKM
2009
Springer
15 years 6 months ago
2009
Springer
Ranking is a key problem in many information retrieval (IR) applications, such as document retrieval and collaborative filtering. In this paper, we address the issue of learning ...
CIKM
2009
Springer
15 years 6 months ago
2009
Springer
While numerous metrics for information retrieval are available in the case of binary relevance, there is only one commonly used metric for graded relevance, namely the Discounted ...
VLDB
2001
ACM
15 years 4 months ago
2001
ACM
Complex similarity queries, i.e., multi-feature multi-object queries, are needed to express the information need of a user against a large multimedia repository. Even if a user in...