2199 search results - page 407 / 440 » Information retrieval using hierarchical dirichlet processes |
WWW
2006
ACM
14 years 9 months ago
2006
ACM
Readability assessment is a method to measure the difficulty of a piece of text material, and it is widely used in educational field to assist instructors to prepare appropriate m...
WWW
2004
ACM
14 years 9 months ago
2004
ACM
An important obstacle to the success of the Semantic Web is that the establishment of the semantic relationship is labor-intensive. This paper proposes an automatic semantic relat...
KDD
2006
ACM
14 years 9 months ago
2006
ACM
We investigate three methods for defining a session on Web search engines. We examine 2,465,145 interactions from 534,507 Web searchers. We compare defining sessions using: 1) Int...
VLDB
2008
ACM
14 years 8 months ago
2008
ACM
Abstract Existing spatiotemporal indexes suffer from either large update cost or poor query performance, except for the Bx -tree (the state-of-the-art), which consists of multiple ...
EDBT
2008
ACM
14 years 8 months ago
2008
ACM
An active XML (AXML) document contains tags representing calls to Web services. Therefore, retrieving its contents consists in materializing its data elements by invoking the embe...