351 research outputs found
Toward Extractive Summarization of Online Forum Discussions via Hierarchical Attention Networks
Forum threads are lengthy and rich in content. Concise thread summaries will
benefit both newcomers seeking information and those who participate in the
discussion. Few studies, however, have examined the task of forum thread
summarization. In this work we make the first attempt to adapt the hierarchical
attention networks for thread summarization. The model draws on the recent
development of neural attention mechanisms to build sentence and thread
representations and use them for summarization. Our results indicate that the
proposed approach can outperform a range of competitive baselines. Further, a
redundancy removal step is crucial for achieving outstanding results.Comment: 5 page
Toward Extractive Summarization of Online Forum Discussions via Hierarchical Attention Networks
Forum threads are lengthy and rich in content. Concise thread summaries will
benefit both newcomers seeking information and those who participate in the
discussion. Few studies, however, have examined the task of forum thread
summarization. In this work we make the first attempt to adapt the hierarchical
attention networks for thread summarization. The model draws on the recent
development of neural attention mechanisms to build sentence and thread
representations and use them for summarization. Our results indicate that the
proposed approach can outperform a range of competitive baselines. Further, a
redundancy removal step is crucial for achieving outstanding results.Comment: 5 page
Cooperation Enforcement in a Highly Dynamic Mobile Ad Hoc Network
Operations of mobile ad hoc networks rely on the collaboration of participating nodes to route data for each other. This standard approach using a fixed set of nodes for each communication link cannot cope with high mobility due to a high frequency of link breaks. A recent approach based on virtual routers has been proposed to address this problem. In this new environment, virtual routers are used for forwarding data. The functionality of each virtual router is provided by the mobile devices currently within its spatial proximity. Since these routers do not move, the communication links are much more robust compared to those of the conventional techniques. In this paper, we investigate techniques to enforce collaboration among mobile devices by identify and punish misbehaving users in supporting the virtual router functionality. Simulation results based on various system configurations are given. They indicate that the proposed technique is effective
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