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ESORICS
2010
Springer
13 years 9 months ago
An Authorization Framework Resilient to Policy Evaluation Failures
Abstract. In distributed computer systems, it is possible that the evaluation of an authorization policy may suffer unexpected failures, perhaps because a sub-policy cannot be eval...
Jason Crampton, Michael Huth
ISEMANTICS
2010
13 years 7 months ago
An evaluation of approaches to federated query processing over linked data
The Web has evolved from a global information space of linked documents to a web of linked data. The Web of Data enables answering complex, structured queries that could not be an...
Peter Haase, Tobias Mathäß, Michael Zil...
KBS
1998
64views more  KBS 1998»
13 years 8 months ago
An incremental retrieval mechanism for case-based electronic fault diagnosis
One problem with using CBR for diagnosis is that a full case description may not be available at the beginning of the diagnosis. The standard CBR methodology requires a detailed c...
Padraig Cunningham, Barry Smyth, Andrea Bonzano
IPM
2006
75views more  IPM 2006»
13 years 8 months ago
Performance of query processing implementations in ranking-based text retrieval systems using inverted indices
Similarity calculations and document ranking form the computationally expensive parts of query processing in ranking-based text retrieval. In this work, for these calculations, 11...
Berkant Barla Cambazoglu, Cevdet Aykanat
SIGIR
2012
ACM
11 years 11 months ago
Unsupervised linear score normalization revisited
We give a fresh look into score normalization for merging result-lists, isolating the problem from other components. We focus on three of the simplest, practical, and widelyused l...
Ilya Markov, Avi Arampatzis, Fabio Crestani