Báo cáo khoa học: "Exploiting Latent Information to Predict Diffusions of Novel Topics on Social Networks" ppt

... to each topic (including existing and novel topics) . Note that the set of keywords for novel topics should be seen in that of existing topics. From these sets of keywords, we construct a topic- word ... latent semantic information among users, topics, and their explicit / implicit interactions. Intuitively, four kinds of information are useful for prediction: • T...

Ngày tải lên: 30/03/2014, 17:20

... e i ) is the vector of monolingual rele- vancy features of e i , y i = f (q c , c j ) is the vector of monolingual relevancy features of c j , and s ij = sim(e i , c j ) is the vector of cross-lingual ... contrast, top English queries are short of this type of queries. But we can still see Bruce Lee (), a Chinese Kung-Fu actor, and pe- ony (), the national flower of China....

Ngày tải lên: 30/03/2014, 23:20

... way to find translations of query terms is to use a bilingual dictionary, this method alone suffers from problems caused by translation ambiguity since there are often one- to- many correspondences ... disambiguation using mutual information statistics obtained only from the target document collection. In this method, mutual information is used not only to select the best c...

Ngày tải lên: 17/03/2014, 07:20

... algorithm to the context vectors, we should obtain the two expected clusters. Each of the two clusters corre- sponds to one of the senses of palm, and the words closest to the geometric centers of ... looking at differential vectors) their algorithm al- lows a word to belong to more than one cluster, each cluster a word is assigned to can be consid- ered as one of it...

Ngày tải lên: 20/02/2014, 16:20

... incorporating information gained from the textual context of the candidate term. 2 Context information for terms The idea of incorporating context information for term extraction came from ... characteristics of the context words of the candidate string. 1 Introduction &: Related Work The applications of term recognition (specialised dic- tionary construction and...

Ngày tải lên: 22/02/2014, 03:20

... open a noun phrase constituent. In this way, the constituent analysis begins by an examination of the ~mmediately local context and a considerable proportion of information about correct parsing ... the output of the automatic constituent analysis. The detailed distinctions made by the subcategory symbols are devised with the aim of providing helpful information for aut...

Ngày tải lên: 22/02/2014, 09:20

... kinetic information on metal reduc- tion is scarce. The electron transport chain involved in the reduction of either Fe(III) or Mn(IV) in MR-1 is thought to be composed of cytochromes and a qui- none, ... upregulation or downregulation of FR (P ¼ 0.83). On the basis of the fact that FR is not subjected to regulation under the applied conditions, and deducing from Fig. 2C tha...

Ngày tải lên: 07/03/2014, 09:20

... literature. Similarly, in the task of automatic routing of customer emails and automatic answering of some of these, the de- tection of threats of legal action could be useful. However, systems ... semantics. The problem, in contrast to bootstrapping approaches for Question Answering and Information Extraction, is that it is hard to find a constraining context for occurrences...

Ngày tải lên: 08/03/2014, 02:21

... Proceedings of the ACL Interactive Poster and Demonstration Sessions, pages 77–80, Ann Arbor, June 2005. c 2005 Association for Computational Linguistics A Practical Solution to the Problem of Automatic ... part -of- speech induction. In part -of- speech induction two phases can be distinguished: In the first phase a set of word classes is to be de- rived automatically on the...

Ngày tải lên: 08/03/2014, 04:22

... a ReceivesAction What can you do to it? 1 v Table 1: ConceptNet relations. need to make this differentiation. Via ConceptNet 5, the latest version of ConceptNet, we obtain a list of relations such ... categories to evaluate the fre- quency of linguistic devices in brand names. Bao et al. (2008) investigated the effects of relevance, connotation, and pronunciation of brand name...

Ngày tải lên: 23/03/2014, 14:20