459 search results - page 62 / 92 » Random sampling from a search engine's index |
WWW
2008
ACM
14 years 9 months ago
2008
ACM
A bipartite query-URL graph, where an edge indicates that a document was clicked for a query, is a useful construct for finding groups of related queries and URLs. Here we use thi...
ICRA
2009
IEEE
14 years 3 months ago
2009
IEEE
— A novel criterion is introduced for assessing the diversity of a collection of paths or trajectories. The main idea is the notion of survivability, which measures the likelihoo...
COMPSAC
2002
IEEE
14 years 1 months ago
2002
IEEE
In this paper, an effective content-based visual image retrieval system is presented. This system consists of two main components: visual content extraction and indexing, and quer...
FGR
2011
IEEE
12 years 12 months ago
2011
IEEE
This paper presents a novel framework for recognition of facial action unit (AU) combinations by viewing the classification as a sparse representation problem. Based on this framew...
AAAI
2008
13 years 10 months ago
2008
Search engines present fix-length passages from documents ranked by relevance against the query. In this paper, we present and compare novel, language-model based methods for extr...