699 search results - page 21 / 140 » Hierarchical pitman-yor language model for information retri... |
AIRS
2008
Springer
14 years 1 months ago
2008
Springer
Abstract. This paper proposes a hierarchical model to parse both English and Chinese sentences. This is done by iteratively constructing simple constituents first, so that complex...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
Structured documents contain elements defined by the author(s) and annotations assigned by other people or processes. Structured documents pose challenges for probabilistic retrie...
ECIR
2009
Springer
14 years 4 months ago
2009
Springer
Probabilistic retrieval models usually rank documents based on a scalar quantity. However, such models lack any estimate for the uncertainty associated with a document’s rank. Fu...
ECIR
2011
Springer
12 years 10 months ago
2011
Springer
Due to many unique characteristics of forum data, forum post retrieval is different from traditional document retrieval and web search, raising interesting research questions abou...
CIKM
2009
Springer
13 years 12 months ago
2009
Springer
We systematically compare five representative state-of-theart methods for estimating query language models with pseudo feedback in ad hoc information retrieval, including two var...