191 search results - page 18 / 39 » Online Aggregation over Trees |
WWW
2006
ACM
14 years 8 months ago
2006
ACM
Previous work on spatio-temporal analysis of news items and other documents has largely focused on broad categorization of small text collections by region or country. A system fo...
ICDCSW
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract— Online feedback-based rating systems are gaining popularity. Dealing with unfair ratings in such systems has been recognized as an important but difficult problem. Thi...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
We developed and tested a heuristic technique for extracting the main article from news site Web pages. We construct the DOM tree of the page and score every node based on the amo...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Data items archived in data warehouses or those that arrive online as streams typically have attributes which take values from multiple hierarchies (e.g., time and geographic loca...
FLAIRS
2007
13 years 10 months ago
2007
In attempting to address real-life decision problems, where uncertainty about input data prevails, some kind of representation of imprecise information is important and several ha...