792 search results - page 51 / 159 » Knowledge Engineering: Principles and Methods |
AAAI
2010
13 years 9 months ago
2010
Data sparsity is a major problem for collaborative filtering (CF) techniques in recommender systems, especially for new users and items. We observe that, while our target data are...
ICTAI
2008
IEEE
14 years 2 months ago
2008
IEEE
– With the World Wide Web popularity the information retrieval area has a new challenge intending to retrieve information resources by their meaning by using a knowledge base. No...
CAISE
2006
Springer
13 years 11 months ago
2006
Springer
Our work deals with schema or ontology matching and is driven by the following statements: (1) Most of works only consider intensional description of schemas; (2) They mostly use s...
CSMR
2009
IEEE
14 years 19 days ago
2009
IEEE
Creating accurate models of information systems is an important but challenging task. It is generally well understood that such modeling encompasses general scientific issues, bu...
AB
2007
Springer
13 years 12 months ago
2007
Springer
Lie group theory states that knowledge of a m-parameters solvable group of symmetries of a system of ordinary differential equations allows to reduce by m the number of equations. ...