572 search results - page 102 / 115 » SQLST: A Spatio-Temporal Data Model and Query Language |
114
Voted
CIKM
2011
Springer
14 years 11 days ago
2011
Springer
In this paper, we reveal a common deficiency of the current retrieval models: the component of term frequency (TF) normalization by document length is not lower-bounded properly;...
90
Voted
VLDB
1989
ACM
15 years 4 months ago
1989
ACM
An important direction in database research for non-standard applications (e.g. engineering or design applications) deals with adequate support for complex objects. Without doubt,...
AMAI
2006
Springer
15 years 15 days ago
2006
Springer
Most real-world database applications manage temporal data, i.e., data with associated time references that capture a temporal aspect of the data, typically either when the data i...
104
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SSD
1997
Springer
15 years 4 months ago
1997
Springer
Abstract: In many geographical applications there is a need to model spatial phenomena not simply by sharp objects but rather through indeterminate or vague concepts. To support su...
106
Voted
SIGIR
2006
ACM
15 years 6 months ago
2006
ACM
A common limitation of many retrieval models, including the recently proposed axiomatic approaches, is that retrieval scores are solely based on exact (i.e., syntactic) matching o...