... obfuscated docu- ment. This is important since there is no clear consensus as to which features should be used for authorship attribution. 2 Document Obfuscation Our approach to document obfuscation ... deletions to be equally weighted. However, while deletion sites in the document are easy to identify, Document Changes Doc Size Changes/1000 49 42 3849 10.9 50 46 2364 19.5...
Ngày tải lên: 20/02/2014, 12:20
... feed- back in IR, where retrieved documents are clus- tered, is actively researched (Hearst and Pedersen, 1996)(Kummamuru et al., 2004). In document clustering, the document is repre- sented as a ... hypergraph in the integration phase. Document clustering is the task of dividing a doc- ument’s data setinto groupsbased ondocumentsim- ilarity. This is the basic intelligent procedure, and is...
Ngày tải lên: 20/02/2014, 12:20
Báo cáo khoa học: "Labeling Documents with Timestamps: Learning from their Time Expressions" pot
... task in the NLP community: automatic document dating. Given a document with unknown origins, what char- acteristics of its text indicate the year in which the document was written? This paper proposes ... dating documents has come from the IR and knowledge management communities inter- ested in dating documents with unknown origins. de Jong et al. (2005) was among the first to auto- matically...
Ngày tải lên: 07/03/2014, 18:20
Báo cáo khoa học: "Probabilistic Document Modeling for Syntax Removal in Text Summarization" ppt
... method. There are D document sets, M documents in each set, N M words in document M, and C syntax classes. proach would be to model the syntax and semantic words used in a document collection ... assuming that each document is generated solely from one topic distribution that is shared throughout each document set. This results in a smoothed language model for each document set’s content ......
Ngày tải lên: 07/03/2014, 22:20
Tài liệu Báo cáo khoa học: Molecular basis of glyphosate resistance – different approaches through protein engineering doc
... mutations of the target enzyme (target-site mechanism of resistance) [60], but there is, as yet, no documented case of a plant species having native or evolved tolerance to glyphosate by virtue of ... that is 125-fold higher than for the physiologi- cal substrate glycine; Table 2). An in silico docking analysis of glyphosate binding at the GO active site showed that glyphosate is bound in ......
Ngày tải lên: 14/02/2014, 14:20
Tài liệu Báo cáo khoa học: An alternative isomerohydrolase in the retinal Muller cells of a cone-dominant species doc
... Gennadiy Moiseyev 2 , Ying Chen 2 , Olga Nikolaeva 2 and Jian-Xing Ma 2 1 Department of Medicine Endocrinology, Harold Hamm Oklahoma Diabetes Center, University of Oklahoma Health Sciences Center, Oklahoma
Ngày tải lên: 14/02/2014, 14:20