561 search results - page 21 / 113 » Two-stage language models for information retrieval |
SIGIR
2008
ACM
13 years 7 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 9 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 7 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...
IJCNLP
2004
Springer
14 years 1 months ago
2004
Springer
In this paper, a series of window-based methods is proposed for information retrieval. Compared with traditional tf-idf model, our approaches are based on two new key notions. The ...
DELOS
2001
13 years 9 months ago
2001
Personalisation in full text retrieval or full text filtering implies reweighting of the query terms based on some explicit or implicit feedback from the user. Relevance feedback i...