Large amount of user generated data is present on web as blogs, reviews tweets, comments etc. This data involve user’s opinion, view, attitude, sentiment towards particular product, topic, event, news etc. Opinion mining (sentiment analysis) is a process of finding users’ opinion from user-generated content. Opinion summarization is useful in feedback analysis, business decision making and reco...

A hierarchical framework is proposed to address the issues of modeling different type of words in keyword spotting (KWS). Keyword models are built at various levels according to the availability of training set resources for each individual word. The proposed approach improves the performance of KWS even when no training speech is available for the keywords. It also suggests an easier way to co...

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A bibliometric approach to assess trends in global tea research using literature in the Science Citation Index Expanded database from 1991 to 2014 has been conducted. Articles were analysed by scientific output and research performances of countries and institutions. The distribution of keywords in the articles’ titles, author-supplied keywords and

This paper presents a usability study of radial and hierarchical opinion visualization techniques. The objective of this work is to evaluate the selected visualizations based on a set of information visualization metrics. A questionnaire survey was used as an instrument to collect response from users on a 3-point Likert scale. The data were collected by s conducting seminar and an online questi...

OBJECTIVE To analyze the pattern of the first author's institutional affiliation and the distribution of different article types published in the students' corner of the Journal of Pakistan Medical Association. METHODS This cross-sectional study was carried out in July 2005 and analyzed the students' corner (whenever present) of the Journal of Pakistan Medical Association from January 1998 to...