BBS(Bulletin Board Systems) is one of the most common places for threaded discussion. It becomes more and more popular among web users, especially in China. Everyday a huge amount of new discussions are generated on BBS. It is too difficult to find hot topics. To solve this issue, we propose a novel approach to detect hot topics on BBS for any period of time. Our solution consists of three step...

Despite the abundance of research investigating general and academic vocabularies and developing dozens of word lists, few studies have compared academic vocabulary with general service word lists such as conversation vocabulary. Many EAP researchers assume that university students need to know all the words in West’s (1953) General Service List (GSL) as a prerequisite to academic words (e.g., ...

the present research aimed at investigating the interaction of the classroom talk to have a better understanding of the teachers’ practice teaching which can pave the way for reflection on teaching. the study benefitted from conversation analytic perspective to qualitatively and interpretively examine the classroom discourse of the teacher-learner interaction. the classroom talk was analyzed th...

teacher questions are claimed to be constitutive of classroom interaction because of their crucial role both in the construction of knowledge and the organization of classroom proceedings (dalton puffer, 2007). most of previous research on teachers’ questions mainly focused on identifying and discovering different question types believed to be helpful in creating the opportunities for learners’...

What kinds of social organizations are used as resources when people communicate through talk in interaction? It is this question that conversation analysis attempts to answer. Conversation analysis (CA) studies the methods participants orient to when they organize social action through talk. It investigates rules and practices from an interactional perspective and studies them by examining rec...

this study aims at empirically furthering awareness of the organization of interaction in efl classes. informed by the methodological framework of conversation analysis, it draws upon a corpus of 52 three-hour naturally-occurring classroom interaction to identify classroom interactional contexts based on the structuring of the pedagogic goals in turn-taking sequences. conversation analytic proc...

despite the body of research on textbook evaluation from the discourse analysis perspective, cohesive devices have rarely been analyzed in english for specific purposes (esp) textbooks. the acquisition and use of cohesive devices is inherent to naturalistic communication, including business interactions. hence, l2 learners of business english should be exposed to these devices through cohesion-...

We need to analyse a large number of e-mails sent by the citizens to the customer services department of a governmental organisation based in Sweden. To carry out this analysis we clustered a large number of e-mails with the aim of automatic e-mail answering. One issue that came up was whether we should use the whole e-mail including the thread or just the original query for the clustering. In ...

Online discussion forums have become a popular medium for users to discuss with and seek information from other users having similar interests. A typical discussion thread consists of a sequence of posts posted by multiple users. All the posts in a thread are not equally useful and serve a different purpose providing different types of information (some posts contain questions, some answers, et...