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WWW
2004
ACM
14 years 5 months ago
Is question answering an acquired skill?
We present a question answering (QA) system which learns how to detect and rank answer passages by analyzing questions and their answers (QA pairs) provided as training data. We b...
Ganesh Ramakrishnan, Soumen Chakrabarti, Deepa Par...
PODS
2007
ACM
142views Database» more  PODS 2007»
14 years 5 months ago
Quasi-inverses of schema mappings
Schema mappings are high-level specifications that describe the relationship between two database schemas. Two operators on schema mappings, namely the composition operator and th...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...
WIKIS
2006
ACM
13 years 11 months ago
Foucault@Wiki: first steps towards a conceptual framework for the analysis of Wiki discourses
In this paper, we examine the discursive situation of Wikipedia. The primary goal is to explore principle ways of analyzing and characterizing the various forms of communicative u...
Christian Pentzold, Sebastian Seidenglanz
AO
2005
147views more  AO 2005»
13 years 4 months ago
Domain modelling and NLP: Formal ontologies? Lexica? Or a bit of both?
There are a number of genuinely open questions concerning the use of domain models in nlp. It would be great if contributors to Applied Ontology could help addressing them rather ...
Massimo Poesio