667 search results - page 81 / 134 » Using Semantic Roles to Improve Question Answering |
CORR
2007
Springer
14 years 9 months ago
2007
Springer
We address the problem of answering Web ontology queries efficiently. An ontology is formalized as a Deductive Ontology Base (DOB), a deductive database that comprises the ontology...
GLOBECOM
2006
IEEE
15 years 3 months ago
2006
IEEE
— In this paper, we propose a Stackelberg game theoretic framework for distributive resource allocation over multiuser cooperative communication networks to improve the system pe...
ACL
2001
14 years 11 months ago
2001
Named entity (NE) recognition is a task in which proper nouns and numerical information in a document are detected and classified into categories such as person, organization, loc...
ICARIS
2010
Springer
14 years 11 months ago
2010
Springer
Although there are various types of cancer treatments, none of these currently take into account the effect of ageing of the immune system and hence altered responses to cancer. R...
ECIR
2009
Springer
15 years 7 months ago
2009
Springer
Abstract. We present a new learning to rank framework for estimating context-sensitive term weights without use of feedback. Specifically, knowledge of effective term weights on ...