24451 search results - page 4678 / 4891 » Research methods in information |
182
click to vote
DOLAP
2003
ACM
15 years 11 months ago
2003
ACM
The data cube operator exemplifies two of the most important aspects of OLAP queries: aggregation and dimension hierarchies. In earlier work we presented Dwarf, a highly compress...
202
click to vote
DOLAP
2003
ACM
15 years 11 months ago
2003
ACM
Motivated by the need for more flexible OLAP systems, this paper presents work on logical integration of external data in OLAP databases, carried out in cooperation between the D...
175
click to vote
EWMF
2003
Springer
15 years 11 months ago
2003
Springer
Item-based Collaborative Filtering (CF) algorithms have been designed to deal with the scalability problems associated with traditional user-based CF approaches without sacrificin...
171
click to vote
JCDL
2010
ACM
15 years 11 months ago
2010
ACM
Topic models could have a huge impact on improving the ways users find and discover content in digital libraries and search interfaces, through their ability to automatically lea...
168
click to vote
HICSS
2002
IEEE
15 years 11 months ago
2002
IEEE
It is apparent that perturbations of the North American electric power grid follow the patterns and characteristics of Self Organized Critical (SOC) systems. Published studies sho...