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» Evaluating Discourse Processing Algorithms
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AIRWEB
2008
Springer
14 years 12 months ago
Identifying web spam with user behavior analysis
Combating Web spam has become one of the top challenges for Web search engines. State-of-the-art spam detection techniques are usually designed for specific known types of Web spa...
Yiqun Liu, Rongwei Cen, Min Zhang, Shaoping Ma, Li...
CCS
2008
ACM
14 years 12 months ago
Assessing query privileges via safe and efficient permission composition
We propose an approach for the selective enforcement of access control restrictions in, possibly distributed, large data collections based on two basic concepts: i) flexible autho...
Sabrina De Capitani di Vimercati, Sara Foresti, Su...
CCS
2008
ACM
14 years 12 months ago
Reconsidering physical key secrecy: teleduplication via optical decoding
The access control provided by a physical lock is based on the assumption that the information content of the corresponding key is private -- that duplication should require eithe...
Benjamin Laxton, Kai Wang, Stefan Savage
CIKM
2008
Springer
14 years 12 months ago
Modeling and exploiting query interactions in database systems
The typical workload in a database system consists of a mixture of multiple queries of different types, running concurrently and interacting with each other. Hence, optimizing per...
Mumtaz Ahmad, Ashraf Aboulnaga, Shivnath Babu, Kam...
CIKM
2008
Springer
14 years 12 months ago
Metric-based ontology learning
Ontology learning is an important task in Artificial Intelligence, Semantic Web and Text Mining. This paper presents a novel framework for, and solutions to, three practical probl...
Hui Yang, Jamie Callan