Sciweavers

2164 search results - page 427 / 433
» Learning to rank for information retrieval
Sort
View
ELPUB
2007
ACM
13 years 11 months ago
Towards an Ontology of ElPub/SciX: A Proposal
A proposal is presented for a standard ontology language defined as ElPub/SciX Ontology, based on the content of a web digital library of conference proceedings. This content, i.e...
Sely Maria de Souza Costa, Cláudio Gottscha...
SIGIR
2008
ACM
13 years 7 months ago
Knowledge transformation from word space to document space
In most IR clustering problems, we directly cluster the documents, working in the document space, using cosine similarity between documents as the similarity measure. In many real...
Tao Li, Chris H. Q. Ding, Yi Zhang 0005, Bo Shao
COLING
2002
13 years 7 months ago
The LinGO Redwoods Treebank: Motivation and Preliminary Applications
The LinGO Redwoods initiative is a seed activity in the design and development of a new type of treebank. While several medium- to large-scale treebanks exist for English (and for...
Stephan Oepen, Kristina Toutanova, Stuart M. Shieb...
SIGIR
2005
ACM
14 years 1 months ago
Automatic web query classification using labeled and unlabeled training data
Accurate topical categorization of user queries allows for increased effectiveness, efficiency, and revenue potential in general-purpose web search systems. Such categorization be...
Steven M. Beitzel, Eric C. Jensen, Ophir Frieder, ...
CLEF
2008
Springer
13 years 9 months ago
ParaMor and Morpho Challenge 2008
ParaMor, our unsupervised morphology induction system performed well at Morpho Challenge 2008. When ParaMor's morphological analyses, which specialize at identifying inflecti...
Christian Monson, Jaime G. Carbonell, Alon Lavie, ...