Tài liệu Báo cáo khoa học: "Identifying Noun Product Features that Imply Opinions" pdf

... results because there are not many such noun features in the drug domain. 4 Conclusions This paper proposed a method to identify noun product features that imply opinions. Conceptually, this ... # Sentences 13191 1541 4308 2306 # Noun features 326 38 173 222 Table 1. Experimental datasets An issue for judging noun features implying opinions is that it can be...

Ngày tải lên: 20/02/2014, 05:20

... orientation of words. Word po- larity is a very important feature that has been used in several applications. For example, the problem of mining product reputation from Web reviews has been extensively ... us- ing the foreign language resources only and the mul- tilingual network that has both English and foreign words. We show that bootstrapping from languages with dense resources su...

Ngày tải lên: 20/02/2014, 05:20

... affects perfor- mance. We found out that when the number of steps is very large, compared to the diameter of the graph, the random walk that starts at ambiguous words, that are hard to classify, have ... shows that the Monte Carlo algorithm for computing the random walks hitting time performs quite well with values of the num- ber of samples as small as 1000. The preceding experiments...

Ngày tải lên: 20/02/2014, 04:20

... therefore argue that using the tweets labeled by their authors using hashtag produces a better quality gold standard. We used a Twitter API to collect tweets that include hashtags that express ... corpus that are labeled with the #sarcasm hashtag include the fol- lowing: 1) @UserName That must suck. 2) I can't express how much I love shopping on black Friday. 3) @User...

Ngày tải lên: 20/02/2014, 05:20

... drawback of the method is that it analyzes one sound alternation at the time, while in the real data it is often the case that one sound corresponds to several other sounds and that sound correspondences ... analysis has shown that 3 factors are most im- portant, explaining 35% of the total amount of vari- ance. The main drawback of applying this technique in dialectometry is that i...

Ngày tải lên: 20/02/2014, 12:20

... and structural features that look both forward and backward in the discourse. We then classify utterances as agreement or dis- agreement using these adjacency pairs and features that represent ... structural features that look both forward and backward in the discourse. This allows us to ac- quire, and subsequently process, knowledge about who speaks to whom. We hypothesize that...

Ngày tải lên: 20/02/2014, 16:20

... linguistics. Focusing on nouns, the idea claims that each noun is characterized by Verbs with which it occurs, and also that nouns are similar to the extent that they share verbs. These automatic classification ... shown that using word pairs to classify nouns is better than not using word pairs, when only a few nouns are classified. However, this experiment did not succeed...

Ngày tải lên: 20/02/2014, 21:20

... enzymes or other reagents to ensure that the rate measured was the rate of the reaction of interest. All assays were coupled to enzymes where NAD(P) or NAD(P)H was a product or substrate whose formation ... hoped that the introduction of such a system here, along with the standardization efforts of the STRENDA commission, will encourage compara- ble behaviour in the enzyme kinetics comm...

Ngày tải lên: 18/02/2014, 04:20

... intriguing possibility that remains to be determined. In this respect, it should be noted that the regulation of SREBP-1 expression and activity in the brain differs from that in the periphery. ... intriguing hypothesis that remains to be evaluated. Our observation that SREBP-1c is expressed in Schwann cells of adult peripheral nerve, together with observations of others that the...

Ngày tải lên: 18/02/2014, 13:20

... hypothesis that Cdc45 may be a rate-limiting factor for replication [21]. Our analysis revealed that  4.5 · 10 4 Cdc45 molecules exist per HeLa S3 or T98G cell (Fig. 7). Previous reports showed that ... reports have shown that the amounts of human Mcm2, -3, -5, -7 and Orc2 remain constant during the cell cycle [6,41], whereas levels of Cdc6 and Cdt1 fluctuate [37,42]. Here, we showed...

Ngày tải lên: 19/02/2014, 00:20