2228 search results - page 372 / 446 » On Database Theory and XML |
DOLAP
2009
ACM
15 years 4 months ago
2009
ACM
In this paper, we investigate the problem of answering top-k queries via materialized views. We provide theoretical guarantees for the adequacy of a view to answer a top-k query, ...
AIED
2007
Springer
15 years 4 months ago
2007
Springer
Building effective learning environments is an art that can only be perfected by a great deal of explorations involving the environments’ audience: the learners. This paper focus...
HICSS
2005
IEEE
15 years 3 months ago
2005
IEEE
One of the unknowns of emailing is the time it will take the receiver to form and post a reply. Response times vary considerably, and the chronemics of email are an important non-...
ICIP
2005
IEEE
15 years 3 months ago
2005
IEEE
This paper presents a Bayesian Network model for ContentBased Image Retrieval (CBIR). In the explanation and test of this work, only two images features (semantic evidences) are i...
IUI
2005
ACM
15 years 3 months ago
2005
ACM
SemanticTalk is a tool for supporting face-to-face meetings and discussions by automatically generating a semantic context from spoken conversations. We use speech recognition and...