336 search results - page 13 / 68 » Conceptual Graphs Based Information Retrieval in HealthAgent... |
SIGIR
2004
ACM
14 years 1 months ago
2004
ACM
Latent Semantic Indexing (LSI) is a well established and effective framework for conceptual information retrieval. In traditional implementations of LSI the semantic structure of...
AIED
2007
Springer
14 years 1 months ago
2007
Springer
Lesson graphs are composed of Learning Objects (LOs) and include a valuable amount of information about the content and usage of the LOs, described by the LO metadata. Graphs also ...
PCM
2004
Springer
14 years 28 days ago
2004
Springer
The performance of a Content-Based Image Retrieval (CBIR) system presented in the form of Precision-Recall or PrecisionScope graphs offers an incomplete overview of the system und...
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
We present a novel passage-based approach to re-ranking documents in an initially retrieved list so as to improve precision at top ranks. While most work on passage-based document...
INFOCOM
2006
IEEE
14 years 1 months ago
2006
IEEE
— For a wide variety of sensor network environments, location information is unavailable or expensive to obtain. We propose a location-free, lightweight, distributed, and data-ce...