Sciweavers

408 search results - page 51 / 82
» A New Method for Sentiment Classification in Text Retrieval
Sort
View
SPIRE
2009
Springer
15 years 5 months ago
Indexing Variable Length Substrings for Exact and Approximate Matching
We introduce two new index structures based on the q-gram index. The new structures index substrings of variable length instead of q-grams of fixed length. For both of the new ind...
Gonzalo Navarro, Leena Salmela
ICPR
2008
IEEE
16 years 6 days ago
Visual features with semantic combination using Bayesian network for a more effective image retrieval
In many vision problems, instead of having fully annotated training data, it is easier to obtain just a subset of data with annotations, because it is less restrictive for the use...
Sabine Barrat, Salvatore Tabbone
ISM
2008
IEEE
136views Multimedia» more  ISM 2008»
14 years 11 months ago
Applying Aggregation Concepts for Image Search
Through the influx of information content on the Internet, a number of image search methodologies have been presented and implemented to increase the accuracy of image retrieval i...
Brandeis Marshall, Dale-Marie Wilson
WWW
2005
ACM
15 years 11 months ago
Automatically learning document taxonomies for hierarchical classification
While several hierarchical classification methods have been applied to web content, such techniques invariably rely on a pre-defined taxonomy of documents. We propose a new techni...
Kunal Punera, Suju Rajan, Joydeep Ghosh
CIKM
2010
Springer
14 years 9 months ago
Fast dimension reduction for document classification based on imprecise spectrum analysis
This paper proposes an algorithm called Imprecise Spectrum Analysis (ISA) to carry out fast dimension reduction for document classification. ISA is designed based on the one-sided...
Hu Guan, Bin Xiao, Jingyu Zhou, Minyi Guo, Tao Yan...