Báo cáo khoa học: "Local Histograms of Character N -grams for Authorship Attribution" ppt

... hypothesis for this behavior is that local histograms can be thought of as expanding training instances, because for each training instance in the BOW formulation we have k−training instances under ... sequential information be- sides capturing character and word usage informa- tion. Our hypothesis is that the combination of se- quential and frequency information can be particu- l...

Ngày tải lên: 07/03/2014, 22:20

... Design of a Computer Language for Linguistic Information Stuart M. Shieber Artificial Intelligence Center SRI International and Center for the Study of Language and Information Stanford University ... syntactic, and semantic information, and one operation unification on this representation. By way of example, we present a trivial grammar for a fragment of English with...

Ngày tải lên: 24/03/2014, 01:21

... Biosystems) and all the DNA sequences were confirmed by reading both strands. Construction of expression vectors and transient expression of the constructs in mammalian cells A DNA fragment containing the ... silver-staining. An expression ve ctor, H . japonicus-chi(human:sig), co ntaining an H. japonicus DNase I cDNA insert (lane 2) was transfected into COS-7 cells by the lipofection meth...

Ngày tải lên: 19/02/2014, 16:20

... USA tomuro@cs.depaul.edu Dina Demner-Fushman National Library of Medicine Bethesda, MD USA ddemner@mail.nih.gov Abstract Detecting the linguistic scope of negated and speculated information in text is an impor- tant Information ... Extraction (IE) systems often face the problem of distinguishing between affirmed, negated, and speculative information in text. For example, sentiment anal...

Ngày tải lên: 20/02/2014, 04:20

... the pro- duction NP → DT JJ NN NNS while H 2 and H 3 do 402 T 1 T 3 S PP IN At NP 0 NP 0 DT the NN 0 end 0 PP IN of NP 1 DT the NN 1 year 1 , , NP 2 DT all JJ 2 solid 2’ NNS 2 companies 2” VP 3 VBP 3 pay 3 NP 4 NNS 4 dividends 4 S NP a DT All JJ a wild a’ NNS a animals a” VP b VBP b eat b NP c plants c ... properties H 1 H 3 S PP IN At NP 0 NP 0 DT the NN 0 end 0 PP IN of NP 1 DT the NN...

Ngày tải lên: 20/02/2014, 12:20

... account of pitch ac- cent semantics with Grosz, Joshi and Weinstein's (1989) account of centering to yield insights into the phenomenon of pitch accented pronominals, and the attentional ... salient the information-rich nonpronominals, rather than their semantically impoverished pronominal stand-ins. To do otherwise is an injudicious use of an attentional cue. However, w...

Ngày tải lên: 20/02/2014, 22:20

... But CCG-Std cannot handle the generalization of type raising that has been used in accounting for various lin- guistic phenomena including: coordination and extrac- tion (Steedman, 1985; Dowty, ... Steedman, 1996), prosody (Prevost and Steedman, 1993), and quantifier scope (Park, 1995). Intuitively, all of these phenomena call for a non-traditional, more flexible notion of co...

Ngày tải lên: 22/02/2014, 03:20

... intensity) HN HN 2 NH N H H N HN N H NH O O O O O N H O HN e s orahpe S d a eb esorahpeS-41 -n it calPSND-41-nitcalP41-nitca lPD nitcalP HN HN 2 N H A C D E B N H HN HN N H NH O O O O O - D g r A -D laV ueL -D ue L eh P HN H N 2 N H NH HN HN N H N H O O O O O HN 2 syL HN HN 2 N H NH HN HN N H N H O O O O O N H S O O N S N D - s yL 0 1.0 2.0 3.0 4.0 u- PA ......

Ngày tải lên: 07/03/2014, 00:20

... the interaction between gastrins and transferrin may be important in the regulation of iron homeostasis. Inde- pendent evidence for a connection between gastrins and iron status has been provided ... regions of transferrin required for the binding of gastrin, and of the regions in gastrin required for the interaction with transferrin, is obviously essential to a full understandi...

Ngày tải lên: 07/03/2014, 02:20

... agents for the prevention and treatment of cancer remains inefficient and costly, and falls short of the requirements for primary prevention among the high-risk population and for prevention in ... source of procyanidins and contains some galloylation, procyanidin fractions from grape could be potential antiproliferative com- pounds of interest in the prevention of colon cancer...

Ngày tải lên: 07/03/2014, 05:20