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161
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IAT
2009
IEEE
16 years 1 months ago
2009
IEEE
— Opinion mining is the task of extracting from a set of documents opinions expressed by a source on a specified target. This article presents a comparative study on the methods ...
175
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ECTEL
2007
Springer
16 years 1 months ago
2007
Springer
Most currently used e-Learning Systems do not often offer search functionality. Even if methods are provided to search for Learning Objects (LOs), they don’t usually utilize info...
173
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ERCIMDL
1997
Springer
15 years 11 months ago
1997
Springer
Abstract. We present a model for complex documents possibly consisting of a hierarchically structured set of images or texts. Documents are represented both at the form level (as s...
176
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ICIAP
1997
ACM
15 years 11 months ago
1997
ACM
We present a model for image retrieval in which images are represented both at the form level, as sets of physical features of the representing objects, and at the content level, a...
199
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RE
2008
Springer
15 years 6 months ago
2008
Springer
For several decades there has been a debate in the computing sciences about the relative roles of design and empirical research, and about the contribution of design and research ...