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» Evaluating role mining algorithms
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SIGMOD
1990
ACM
76views Database» more  SIGMOD 1990»
14 years 2 months ago
Querying Database Knowledge
The role of database knowledge 1susually limited to the evaluation of data queries In this paper we argue that when this knowledge 1sof substantial volume and complexity, there 1s...
Amihai Motro, Qiuhui Yuan
FLOPS
2006
Springer
14 years 1 months ago
Soutei, a Logic-Based Trust-Management System
We describe the design and implementation of a trust-management system Soutei, a dialect of Binder, for access control in distributed systems. Soutei policies and credentials are w...
Andrew Pimlott, Oleg Kiselyov
DLOG
2011
13 years 1 months ago
Query Answering over SROIQ Knowledge Bases with SPARQL
W3C currently extends the SPARQL query language with so-called entailment regimes, which define how queries are evaluated using logical entailment relations. We describe a sound a...
Ilianna Kollia, Birte Glimm, Ian Horrocks
SIGIR
2010
ACM
14 years 1 months ago
Extending average precision to graded relevance judgments
Evaluation metrics play a critical role both in the context of comparative evaluation of the performance of retrieval systems and in the context of learning-to-rank (LTR) as objec...
Stephen E. Robertson, Evangelos Kanoulas, Emine Yi...
CIKM
2009
Springer
14 years 4 months ago
Exploring relevance for clicks
Mining feedback information from user click-through data is an important issue for modern Web retrieval systems in terms of architecture analysis, performance evaluation and algor...
Rongwei Cen, Yiqun Liu, Min Zhang, Bo Zhou, Liyun ...