Báo cáo khoa học: "Language of Vandalism: Improving Wikipedia Vandalism Detection via Stylometric Analysis" ppt

... Linguistics Language of Vandalism: Improving Wikipedia Vandalism Detection via Stylometric Analysis Manoj Harpalani, Michael Hart, Sandesh Singh, Rob Johnson, and Yejin Choi Department of Computer Science Stony ... in learning stylometric signature of authorship at deep syntactic levels. In this work, we explore the use of PCFG models for vandalism detection, by v...

Ngày tải lên: 07/03/2014, 22:20

... presence of this enzyme in different tissues with properties of endothelial NOS, nNOS, and ⁄ or iNOS [14,31,32]. In different models of sepsis and tissues, the existence of both mtNOS and i-mtNOS isoforms ... syn- thase isoforms, prevented the impairment of mitochondrial homeostasis under sepsis, and restored ATP production. These properties of melatonin should be considered in cl...

Ngày tải lên: 19/02/2014, 00:20

... Department of Medical Biophysics, University of Toronto, Canada 4 Department of Laboratory Medicine and Pathology, University of Toronto, Canada 5 Department of Biochemistry, University of Toronto, ... overnight with 2 mL of chloroform ⁄ methanol (2 : 1 v ⁄ v) per 100 lL of plasma and then partitioned against 1 ⁄ 5 volume of water. The lower phase was dried under a stream o...

Ngày tải lên: 19/02/2014, 07:20

... our set of categories. Further surveys would be required to validate this idea. The 20 categories of knowledge covered 215 (97%) of the 221 statements of world knowledge in our proofs. Of the ... then x is of type ‘person’.” Stated in this way, these kinds of knowledge look quite dif- ferent. If one reads our proofs from start to finish, the flow of the argument indicates which...

Ngày tải lên: 20/02/2014, 05:20

... task of labeling a re- view document according to the polarity of its pre- vailing opinion (favorable or unfavorable). In ap- proaching this problem, a model builder often has three sources of ... d i is also represented as a vector of length p, with d ij equal to the number of times that feature w j occurs in d i . The length of a document is its total number of features, |d i...

Ngày tải lên: 20/02/2014, 16:20

... to stabilize the dimeric form of EUGO. The partially apo form of EUGO became fully flavinylated in vitro by the addition of FAD. The cofactor incorporation resulted in formation of holo dimeric EUGO, ... & Heck AJ (2001) The effect of the source pressure on the abundance of ions of noncovalent protein assemblies in an electro- spray ionization orthogonal time -of- flight instr...

Ngày tải lên: 07/03/2014, 09:20

... not contain detectable amounts of this un usual stereoisomer of 18:2. In order to investigate if the synthesis of this E isomer of 18:2 in C. alpina seed was a product of t he C. alpina D12 acetylenase ... areas (application spots) were scraped off and methylated in situ with 0.1 M sodium methoxide . Fatty acid methyl esters of total lipids from chloroform extracts of yeast cell...

Ngày tải lên: 16/03/2014, 18:20

... feedbacks. The concept of collaborative filtering was also implemented as we viewed the proposing of ambient as a kind of recommendation. Through the demonstration of the IlluMe system, we ... development of the system. First, a corpus for ambient creation according to emotions was constructed. Second, IlluMe demonstrates a way to apply the state of the art technology of...

Ngày tải lên: 16/03/2014, 20:20

... Ovchinnikov Institute of Bioorganic Chemistry, Russian, Academy of Sciences, Moscow, Russia 2 Program of Inflammation, Infectious and Inflammatory Disease Center and Program of Signal Transduction, ... differential interference contrast images of the same field. The shown cells are representative of the majority of stained cells. (B) Immunoblot with anti-HA mAb of conditioned med...

Ngày tải lên: 16/03/2014, 23:20

... claimed that such a network can be conceived of as a model of the coalition structure of a connectionist network. The paper describes how the class of feature systems called unary feature hierarchies ... evidence coming from the study of a legion of linguistic phenomena. Phonology will most probably remain main source of evidence as far as the functioning of feature-ba...

Ngày tải lên: 18/03/2014, 02:20