416 search results - page 42 / 84 » Utilizing Passage-Based Language Models for Document Retriev... |
WWW
2004
ACM
14 years 9 months ago
2004
ACM
Maximizing only the relevance between queries and documents will not satisfy users if they want the top search results to present a wide coverage of topics by a few representative...
DOCENG
2009
ACM
14 years 3 months ago
2009
ACM
In this article, we introduce a new problem: the construction of multi-structured documents. We first offer an overview of existing solutions to the representation of such docum...
CIKM
2011
Springer
12 years 8 months ago
2011
Springer
In this paper, we reveal a common deficiency of the current retrieval models: the component of term frequency (TF) normalization by document length is not lower-bounded properly;...
IR
2007
13 years 8 months ago
2007
Traditional information retrieval systems aim at satisfying most users for most of their searches, leaving aside the context in which the search takes place. We propose to model tw...
CIKM
2008
Springer
13 years 10 months ago
2008
Springer
We propose a novel probabilistic method based on the Hidden Markov Model (HMM) to learn the structure of a Latent Variable Model (LVM) for query language modeling. In the proposed...