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» On Graph Based Interaction for Semantic Query Languages
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SIGIR
2005
ACM
14 years 1 months ago
Question answering passage retrieval using dependency relations
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...
Hang Cui, Renxu Sun, Keya Li, Min-Yen Kan, Tat-Sen...
POPL
2001
ACM
14 years 7 months ago
Mobile values, new names, and secure communication
We study the interaction of the "new" construct with a rich but common form of (first-order) communication. This interaction is crucial in security protocols, which are ...
Cédric Fournet, Martín Abadi
PPDP
2007
Springer
14 years 1 months ago
Mechanized metatheory model-checking
The problem of mechanically formalizing and proving metatheoretic properties of programming language calculi, type systems, operational semantics, and related formal systems has r...
James Cheney, Alberto Momigliano
TSMC
2010
13 years 2 months ago
A Petri Net Approach to Analysis and Composition of Web Services
Business Process Execution Language for Web Services (BPEL) is becoming the industrial standard for modeling web service-based business processes. Behavioral compatibility for web ...
PengCheng Xiong, Yushun Fan, MengChu Zhou
ER
1999
Springer
108views Database» more  ER 1999»
13 years 11 months ago
Modeling Cyclic Change
Database support of time-varying phenomena typically assumes that entities change in a linear fashion. Many phenomena, however, change cyclically over time. Examples include monsoo...
Kathleen Hornsby, Max J. Egenhofer, Patrick J. Hay...