Sciweavers

3530 search results - page 674 / 706
» Technology of Text Mining
Sort
View
AIRS
2009
Springer
16 years 1 months ago
A Latent Dirichlet Framework for Relevance Modeling
Relevance-based language models operate by estimating the probabilities of observing words in documents relevant (or pseudo relevant) to a topic. However, these models assume that ...
Viet Ha-Thuc, Padmini Srinivasan
CIKM
2009
Springer
16 years 1 months ago
The impact of document structure on keyphrase extraction
Keyphrases are short phrases that reflect the main topic of a document. Because manually annotating documents with keyphrases is a time-consuming process, several automatic appro...
Katja Hofmann, Manos Tsagkias, Edgar Meij, Maarten...
ISW
2009
Springer
16 years 1 months ago
Hardware-Assisted Application-Level Access Control
Abstract. Applications typically rely on the operating system to enforce access control policies such as MAC, DAC, or other policies. However, in the face of a compromised operatin...
Yu-Yuan Chen, Ruby B. Lee
SIGIR
2009
ACM
16 years 1 months ago
Compressing term positions in web indexes
Large search engines process thousands of queries per second on billions of pages, making query processing a major factor in their operating costs. This has led to a lot of resear...
Hao Yan, Shuai Ding, Torsten Suel
SIGIR
2009
ACM
16 years 1 months ago
Addressing morphological variation in alphabetic languages
The selection of indexing terms for representing documents is a key decision that limits how effective subsequent retrieval can be. Often stemming algorithms are used to normaliz...
Paul McNamee, Charles K. Nicholas, James Mayfield