315 search results - page 55 / 63 » Text classification from positive and unlabeled documents |
ACMDIS
2010
ACM
13 years 7 months ago
2010
ACM
One of the major challenges in the design of social technologies is the evaluation of their qualities of use and how they are appropriated over time. While the field of HCI abound...
ACSC
2003
IEEE
14 years 23 days ago
2003
IEEE
We introduced a novel method employing a hierarchical domain ontology structure to extract features representing documents in our previous publication (Wang 2002). All raw words i...
VLDB
2002
ACM
13 years 7 months ago
2002
ACM
Many valuable text databases on the web have non-crawlable contents that are "hidden" behind search interfaces. Metasearchers are helpful tools for searching over many s...
UIST
2004
ACM
14 years 27 days ago
2004
ACM
ScreenCrayons is a system for collecting annotations on any type of document or visual information from any application. The basis for the system is a screen capture upon which th...
EMNLP
2009
13 years 5 months ago
2009
This paper studies sentiment analysis of conditional sentences. The aim is to determine whether opinions expressed on different topics in a conditional sentence are positive, nega...