2799 search results - page 496 / 560 » Ontological technologies for user modelling |
DAWAK
2001
Springer
14 years 1 months ago
2001
Springer
Tree based indexing structures like -trees, ·-trees, Bitmap indexes and Ê-trees have become essential for getting good performance when accessing vast datasets. However, most dat...
PCI
2001
Springer
14 years 1 months ago
2001
Springer
One of the most rapidly evolving e-services is e-Learning, that is, the creation of advanced educational resources that are accessible on-line and, potentially, offer numerous adva...
CAISE
1999
Springer
14 years 1 months ago
1999
Springer
As a decision support information system, a data warehouse must provide high level quality of data and quality of service. In the DWQ project we have proposed an architectural fram...
CIKM
2007
Springer
14 years 26 days ago
2007
Springer
How to improve search accuracy for difficult topics is an underaddressed, yet important research question. In this paper, we consider a scenario when the search results are so poo...
SIGIR
2010
ACM
14 years 23 days ago
2010
ACM
Dwell time on Web pages has been extensively used for various information retrieval tasks. However, some basic yet important questions have not been sufficiently addressed, e.g., ...