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176
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KCAP
2005
ACM
16 years 2 days ago
2005
ACM
In this document, we describe a light-weighted ontology mediation method that allows users to send semantic queries to distant data repositories to browse for learning object meta...
164
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SIGECOM
2005
ACM
16 years 2 days ago
2005
ACM
This paper initiates research on the foundations of ranking systems, a fundamental ingredient of basic e-commerce and Internet Technologies. In order to understand the essence and...
153
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SIGIR
2005
ACM
16 years 2 days ago
2005
ACM
We consider two of the most commonly cited measures of retrieval performance: average precision and R-precision. It is well known that average precision and R-precision are highly...
156
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SIGIR
2005
ACM
16 years 2 days ago
2005
ACM
Song and Bruza [6] introduce a framework for Information Retrieval(IR) based on Gardenfor’s three tiered cognitive model; Conceptual Spaces[4]. They instantiate a conceptual spa...
151
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SIGIR
2005
ACM
16 years 2 days ago
2005
ACM
In Information Retrieval (IR), the Dirichlet Priors have been applied to the smoothing technique of the language modeling approach. In this paper, we apply the Dirichlet Priors to...