9507 search results - page 1646 / 1902 » Time-based language models |
199
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ISMIS
1997
Springer
15 years 10 months ago
1997
Springer
e about image features can be expressed as a hierarchical structure called a Type Abstraction Hierarchy (TAH). TAHs can be generated automatically by clustering algorithms based on...
187
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SIGGRAPH
1994
ACM
15 years 10 months ago
1994
ACM
strokes makes it particularly attractive in terms of storage size and transmission efficiency. Its efficient implementation is favourable for incorporation into windowing systems a...
165
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CIDM
2007
IEEE
15 years 10 months ago
2007
IEEE
Kernel methods are effective approaches to the modeling of structured objects in learning algorithms. Their major drawback is the typically high computational complexity of kernel ...
186
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CIKM
2007
Springer
15 years 10 months ago
2007
Springer
How to improve search accuracy for difficult topics is an underaddressed, yet important research question. In this paper, we consider a scenario when the search results are so poo...
154
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CIKM
2009
Springer
15 years 10 months ago
2009
Springer
In this work, we show the importance of multidimensional opinion representation in the political context combining domain knowledge and results from principal component analysis. ...