273 search results - page 23 / 55 » Topic and keyword re-ranking for LDA-based topic modeling |
SIGIR
2012
ACM
11 years 9 months ago
2012
ACM
People are seldom aware that their search queries frequently mismatch a majority of the relevant documents. This may not be a big problem for topics with a large and diverse set o...
SOCIALCOM
2010
13 years 5 months ago
2010
Theme network is a semantic network of document specific themes. So far Natural Language Processing (NLP) research patronized much of topic based summarizer system, unable to captu...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
The social media site Flickr allows users to upload their photos, annotate them with tags, submit them to groups, and also to form social networks by adding other users as contact...
SOCIALCOM
2010
13 years 5 months ago
2010
We developed user models of knowledge exploration in a social tagging system to test the expertise rankings generated by a link-structure method and a semantic-structure method. Th...
SIGIR
2009
ACM
14 years 1 months ago
2009
ACM
In this paper we explore the use of category information for ad hoc retrieval in Wikipedia. We show that techniques for entity ranking exploiting this category information can als...