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SIGIR
2000
ACM
15 years 2 months ago
An investigation of linguistic features and clustering algorithms for topical document clustering
We investigate four hierarchical clustering methods (single-link, complete-link, groupwise-average, and single-pass) and two linguistically motivated text features (noun phrase he...
Vasileios Hatzivassiloglou, Luis Gravano, Ankineed...
SIGIR
2008
ACM
14 years 9 months ago
A study of methods for negative relevance feedback
Negative relevance feedback is a special case of relevance feedback where we do not have any positive example; this often happens when the topic is difficult and the search result...
Xuanhui Wang, Hui Fang, ChengXiang Zhai
TMRA
2007
Springer
15 years 3 months ago
Expressing Dublin Core in Topic Maps
The Dublin Core Metadata Initiative is an open organization engaged in the development of interoperable online metadata standards that support a broad range of purposes and busines...
Steve Pepper
WWW
2004
ACM
15 years 10 months ago
Query and content suggestion based on latent interest and topic class
To improve the process of user information retrieval, we propose the concept of a latent semantic map (LSM), along with a method of generating this map. The novel aspect of the LS...
Noriaki Kawaeme, Hideaki Suzuki, Osamu Mizuno
AIED
2005
Springer
15 years 3 months ago
Contexts in Educational Topic Maps
This paper explores the idea of using contexts to support more efficient information search in Topic Maps-based digital libraries. The notion of context is d as abstraction of grou...
Christo Dichev, Darina Dicheva