Toufique Ahmed

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Under water wireless sensing (UWSN) system is more challenging due to the replacement difficulty of underwater sensors. A mobile target tracking protocol in UWSNs must have energy saving strategy. In our research, we propose local search based energy saving tracking method for an UWSN where we use a meta-heuristic based algorithm by keeping the minimum(More)
In this paper, we present a new variant of group trip planning (GTP) queries in spatial databases with weighted point of interests (POIs), called Weighted optimal Sequenced Group Trip Planning (WSGTP) query. Specifically, we focus on the sequenced version of the query where the order of visiting POI types are fixed by the users. Traditional GTP queries(More)
Sentiment Analysis tools, developed for analyzing social media text or product reviews, work poorly on a Software Engineering (SE) dataset. Since prior studies have found developers expressing sentiments during various SE activities, there is a need for a customized sentiment analysis tool for the SE domain. On this goal, we manually labeled 2000 review(More)
Locating a moving target for an Underwater Wireless Sensor Network (UWSN) is a challenging task since traditional radio link based tracking methods can not be directly applied to the under water network. Underwater sensors use acoustic links for communication. Besides under the water, network architecture is also different from the traditional terrestrial(More)
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