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SIGIR
2009
ACM
15 years 4 months ago
Query dependent pseudo-relevance feedback based on wikipedia
Pseudo-relevance feedback (PRF) via query-expansion has been proven to be effective in many information retrieval (IR) tasks. In most existing work, the top-ranked documents from...
Yang Xu, Gareth J. F. Jones, Bin Wang
CIDM
2007
IEEE
15 years 2 months ago
Identifying Anatomical Phrases in Clinical Reports by Shallow Semantic Parsing Methods
Natural Language Processing (NLP) is being applied for several information extraction tasks in the biomedical domain. The unique nature of clinical information requires the need fo...
Vijayaraghavan Bashyam, Ricky K. Taira
CODES
1998
IEEE
15 years 2 months ago
Schedulability analysis of heterogeneous systems for performance message sequence chart
Telecommunication systems are often specified in the standardized languages SDL and MSc. These languages allow only the specification of pure functional aspects. To remedy this pr...
Frank Slomka, Jürgen Zant, Lennard Lambert
PODS
2008
ACM
152views Database» more  PODS 2008»
15 years 10 months ago
Towards a theory of schema-mapping optimization
A schema mapping is a high-level specification that describes the relationship between two database schemas. As schema mappings constitute the essential building blocks of data ex...
Ronald Fagin, Phokion G. Kolaitis, Alan Nash, Luci...
ACSW
2006
14 years 11 months ago
A method for access authorisation through delegation networks
Owners of systems and resources usually want to control who can access them. This must be based on having a process for authorising certain parties, combined with mechanisms for e...
Audun Jøsang, Dieter Gollmann, Richard Au