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NDQA
2003
108views Education» more  NDQA 2003»
14 years 11 months ago
Answer Selection and Confidence Estimation
We focused on two issues: answer selection and confidence estimation. We found that some simple constraints on the candidate answers can improve a pure IR-based technique for answ...
Jinxi Xu, Ana Licuanan, Jonathan May, Scott Miller...
EDBTW
2006
Springer
15 years 1 months ago
Semantically Correct Query Answers in the Presence of Null Values
For several reasons a database may not satisfy a given set of integrity constraints (ICs), but most likely most of the information in it is still consistent with those ICs; and cou...
Loreto Bravo, Leopoldo E. Bertossi
ACOM
2004
Springer
15 years 3 months ago
Coherence Constraints for Agent Interaction
This paper describes the use of coherence constraints as a means to regulate agent interaction. Coherence constraints describe relationships between the content of utterances, and ...
Joris Hulstijn, Frank Dignum, Mehdi Dastani
AAAI
2007
15 years 3 days ago
Supporting Feedback and Assessment of Digital Ink Answers to In-Class Exercises
Effective teaching involves treating the presentation of new material and the assessment of students’ mastery of this material as part of a seamless and continuous feedback cycl...
Kimberle Koile, Kevin Chevalier, Michel Rbeiz, Ada...
CORR
2011
Springer
187views Education» more  CORR 2011»
14 years 1 months ago
Backdoors to Tractable Answer-Set Programming
We present a unifying approach to the efficient evaluation of propositional answer-set programs. Our approach is based on backdoors which are small sets of atoms that represent ...
Johannes Klaus Fichte, Stefan Szeider