760 search results - page 29 / 152 » Positional Language Models for Clinical Information Retrieva... |
SIGIR
2008
ACM
13 years 8 months ago
2008
ACM
Recent work on language models for information retrieval has shown that smoothing language models is crucial for achieving good retrieval performance. Many different effective smo...
ECIR
1998
Springer
13 years 10 months ago
1998
Springer
We present in this paper a combination of Machine Learning based Information Retrieval (IR) techniques and stochastic language modelling in a hierarchical system that extracts sur...
ECIR
2010
Springer
13 years 8 months ago
2010
Springer
In this work we compare different techniques to automatically find candidate web pages to substitute broken links. We extract information from the anchor text, the content of the p...
ECIR
2009
Springer
13 years 6 months ago
2009
Springer
This paper investigates the use of fuzzy logic mechanisms coming from the database community, namely graded inclusions, to model the information retrieval process. In this framewor...
SIGIR
2009
ACM
14 years 3 months ago
2009
ACM
A weakly-supervised extraction method identifies concepts within conceptual hierarchies, at the appropriate level of specificity (e.g., Bank vs. Institution), to which attribute...