170 search results - page 26 / 34 » Text Retrieval from Document Images based on N-Gram Algorith... |
SIGIR
2006
ACM
14 years 2 months ago
2006
ACM
Classical query expansion techniques such as the local context analysis (LCA) make use of term co-occurrence statistics to incorporate additional contextual terms for enhancing pa...
CIKM
2007
Springer
14 years 2 months ago
2007
Springer
As one of the most effective query expansion approaches, local feedback is able to automatically discover new query terms and improve retrieval accuracy for different retrieval ...
SIGIR
1999
ACM
14 years 26 days ago
1999
ACM
Probabilistic Latent Semantic Indexing is a novel approach to automated document indexing which is based on a statistical latent class model for factor analysis of count data. Fit...
CIKM
2009
Springer
14 years 3 months ago
2009
Springer
Keyphrases are short phrases that reflect the main topic of a document. Because manually annotating documents with keyphrases is a time-consuming process, several automatic appro...
DEXA
2006
Springer
14 years 7 days ago
2006
Springer
Abstract. Latent Semantic Indexing(LSI) has been proved to be effective to capture the semantic structure of document collections. It is widely used in content-based text retrieval...