finding deceptive opinion spam by any stretch of the imagination

... Association for Computational Linguistics Finding Deceptive Opinion Spam by Any Stretch of the Imagination Myle Ott Yejin Choi Claire Cardie Department of Computer Science Cornell University Ithaca, ... insidi- ous type of opinion spam: DECEPTIVE OPINION SPAM fictitious opinions that have been deliber- ately written to sound authentic, in order to deceive the reader. For example, one of the following ... near-duplicate) opinions are opinions that ap- pear more than once in the corpus with the same (or similar) text. While these opinions are likely to be deceptive, they are unlikely to be representative of deceptive...

Ngày tải lên: 07/03/2014, 22:20

... be done by the simple act of having the leader state out loud his/her view(s) and the supporting reason(s). Then simply have the leader inquire into the view of the per- son next to them. Senge ... nature ”out loud” in the presence of others and truly invite their feedback on your behavior. This is again a place where we may need the help of each other. The eye, in the act of seeing, sees everything ... An instance of escalation would be when one company gets ahead; other companies then feel the success of the first company as a threat. This leads to more aggressive behavior on the other companies’...

Ngày tải lên: 21/12/2013, 06:18

... which supply the mucosa and submucosa of the colon, penetrate the circular muscle. The weakness of the vascular portals in the circular muscle possibly causes mucosal herniation into the subserosa ... preparation. The bleeding was controlled by #3-0 Vycryl intracorporeal suture, and the invagination of the diverticulum was performed laparoscopically. The recovery was une- ventful, and the patient ... case was the hypertensive change [12], while in our case, the spontaneous bleeding of the serosal vessel of the co- lonic diverticulum led to hemoperitoneum. Laparoscopic resection of Meckel’s...

Ngày tải lên: 25/10/2012, 10:51

... part of the same network without the expense of leased lines or the need to dig up the ground between buildings. With the proper wireless antennas, any number of buildings can be linked together ... adjacent office or an office on another floor of the same building. Installing Cat5 or fiber cabling for these short periods of time is not cost-effective, and usually the owners of the building ... ensuring that the weighting is representative of the relative importance of the content. This section outlines the exam objectives for the CWNA exam. ! The objectives for the CWNA exam...

Ngày tải lên: 17/02/2014, 15:20

... critical reading of the manuscript, and also members of the Inoue labor- atory for their helpful discussions. The project was supported by the National Research Initiative of the USDA Cooperative ... specificity in vitro. Replacement of the most C-terminal segment with alanine residues resulted in mistargeting the protein to the stroma, while exchange of either of the other two tri-glycine regions ... 98–100. The tri-glycine stretch can be replaced with repeats of several other nonglycine residues In order to gain further details about the importance of the tri-glycine segment at residues 98–100 of...

Ngày tải lên: 19/02/2014, 07:20

... cDNA of LEPRb, phosphorylation of STAT1, STAT3, STAT5 and the ERK kinases was induced by leptin. The weak response of STAT5 to leptin compared to that elicited by GH can be partially explained by ... partially explained by the rather ineffec- tive transfection of the HIT-T15 cells (estimated at 10–20% of transfected cells). Cells expressing the short splice variant of the leptin receptor (LEPRa) ... indicating that essential components of the AMPK pathway were present in these cell lines. Role of the intracellular tyrosine residues in LEPRb To determine the role of the three intracellular tyrosine residues...

Ngày tải lên: 07/03/2014, 16:20

... and in the range of the CV of the NADPH determination. Discussion Obvious tendencies found by characterization of the wild-type In the exponential phase of the ammonium cultures all of the PPP ... [26]. Overproduction of 6PGDH resulted in an increase of synthesis of pyr- idine nucleotide cofactors, as the total pool of these increased. Whether the synthesis is regulated by the NADPH concentration ... Similarly, the samples (Gnd) in the first quadrant of Fig. 4A have a tendency to have a high NADPH level. However, the position of the samples in Fig. 4A is influenced by the level of all variables in these...

Ngày tải lên: 07/03/2014, 17:20

... independent of 15d-PGJ 2 stimulation. Thereafter, the precise site of action of 15d-PGJ 2 was identified by further 5¢ deletion analysis dissecting the )192 to )154 region of Prm3. Deletion of the PPARc ... anti atherosclerotic role for PPARc has been suggested due to the inhibitory effects of PPARc activation on the expression of a number of pro-atherosclerotic, pro-thrombotic and a range of other ... (2002) Characteri- zation of the 5¢ untranslated region of alpha and beta isoforms of the human thromboxane A2 receptor (TP). Differential promoter utilization by the TP isoforms. Eur J Biochem 269,...

Ngày tải lên: 07/03/2014, 21:20

... This study was supported by grants Y078GEN, F01801, F01809, J1835 and J2122 of the Austrian Science Fund, by the CeMM Project of the Austrian Academy of Sciences, and by a research grant from ... the range of 20 °Cto90°C. The reversibility of the unfolding process was checked by measuring the CD signal upon cooling to the starting temperature. Phylogenetic analysis of the relationships among group ... adequate for the growth of crystals that diffract to 2.9 A ˚ resolution. The importance of conformational epitopes for IgE recognition of Phl p 1 is demonstrated by the superior IgE recognition of insect-cell expressed...

Ngày tải lên: 16/03/2014, 18:20

Ngày tải lên: 22/03/2014, 21:20

Ngày tải lên: 23/03/2014, 21:21

Ngày tải lên: 20/06/2014, 15:20

Ngày tải lên: 29/03/2014, 20:20

... reaction by the solid phase peptide synthesis. (Figure 4) 9. Ligation of the pentamer I with the te- trazine-dicarboxylate 6: One µmol of the pentamer I 8 (Figure 3) and 5.5 µmol of the tetrazine ... independent multi-ligations of multi-faceted components by use of the inverse Diels Alder technology. The high chemical stability and the ease of synthesis qualify these polyamide building blocks ... Ligation of the pentenoic acid pentamer with the dimethyl-1,2,4,5-tetrazine-3,6-dicarboxylate. Figure 8 describes the reaction product of 13 after chemical ligation by the DAR inv of the...

Ngày tải lên: 25/10/2012, 11:00

... accepted syntheses of the de- sired PNA building blocks are shown in the following schemata and are documented in detail by the Thomson group.[38] The synthesis begins with the synthesis of 5 a ... mg of the tetrazine deri- vatized twofold with dansyl, was dissolved in a few drops of DMSO and then added to the reaction product of A. The Discussion Here we demonstrate the synthesis of ... Synthesis of the PNA building block backbone In the next step, the synthesis of the PNA back- bone monomer using the fluorenylmethoxycarbonyl (Fmoc) protection occurred as described by Atherton...

Ngày tải lên: 26/10/2012, 08:57

... was found in the proximal part of the vein in 6 of the 8 animals and in the distal part of the vein in 7 of the 8 animals. Epidermal degeneration (Grades 1-3) was found in both the proximal ... induced by intravenous infusion of antineoplastic agents re- duces the completion of chemotherapy. The causative factors of phlebitis include the pH and osmotic pres- sure of the solution, the size ... Infusion of a 0.6-mg/mL solution of VNR for 30 min at 5 mL/kg/hr (the con- trol group) caused slight loss of venous endothelial cells (Grade 1) in the proximal part of the vein in 2 out of 8 animals....

Ngày tải lên: 26/10/2012, 09:57

... laid therein. The expense of the telegram is met by the importer. The bank also mails the written confirmation of the cable to the corresponding bank for forward delivery to the exporter. The ... A2/K44/BBE opened by mail, the buyer's bank sends the letter of credit and two carbon copies of the letter to the importer. The importer then dispatches the letter of credit to the exporter ... copy of the cable and the written confirmation to the importer of the merchandise. Figure 1: The Documentary Credit Cycle Typically the documents often requested in a Letter of Credit are the...

Ngày tải lên: 27/10/2012, 16:44

Ngày tải lên: 07/11/2012, 14:47

Ngày tải lên: 07/11/2012, 14:47