125 search results - page 1 / 25 » Smoothing a Tera-word Language Model |
SIGIR
2008
ACM
13 years 4 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...
ACL
2009
13 years 2 months ago
2009
Kneser-Ney (1995) smoothing and its variants are generally recognized as having the best perplexity of any known method for estimating N-gram language models. Kneser-Ney smoothing...
IR
2008
13 years 4 months ago
2008
Abstract. Document length is widely recognized as an important factor for adjusting retrieval systems. Many models tend to favor the retrieval of either short or long documents and...
SIGIR
2006
ACM
13 years 10 months ago
2006
ACM
We hypothesized that language modeling retrieval would improve if we reduced the need for document smoothing to provide an inverse document frequency (IDF) like effect. We create...
ECIR
2011
Springer
12 years 8 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...