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SAC
2003
ACM
15 years 5 months ago
2003
ACM
Semantic Web shows us the potential infrastructure of the next generation Web. Web information will be understandable to machines in this infrastructure. Our research work1 has th...
SACMAT
2003
ACM
15 years 5 months ago
2003
ACM
This paper presents an approach that uses special purpose RBAC constraints to base certain access control decisions on context information. In our approach a context constraint is...
SIGIR
2003
ACM
15 years 5 months ago
2003
ACM
We consider the problem of modeling annotated data—data with multiple types where the instance of one type (such as a caption) serves as a description of the other type (such as...
SIGIR
2003
ACM
15 years 5 months ago
2003
ACM
The fundamental difference between standard information retrieval and XML retrieval is the unit of retrieval. In traditional IR, the unit of retrieval is fixed: it is the comple...
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SIGIR
2003
ACM
15 years 5 months ago
2003
ACM
Due to both the size and growth of the internet, new tools are needed to assist with the finding and extraction of very specific resources relevant to a user's task. Previous...