The use of MMR, diversity-based reranking for reordering documents and producing summaries
Proceedings of the 21st annual international ACM SIGIR conference on Research and development in information retrieval
Selecting good expansion terms for pseudo-relevance feedback
Proceedings of the 31st annual international ACM SIGIR conference on Research and development in information retrieval
BursT: a dynamic term weighting scheme for mining microblogging messages
ISNN'11 Proceedings of the 8th international conference on Advances in neural networks - Volume Part III
Exploring term temporality for pseudo-relevance feedback
Proceedings of the 34th international ACM SIGIR conference on Research and development in Information Retrieval
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Microblog Ad-hoc retrieval has received much attention in recent years. As a result of the high vocabulary diversity of the publishing users, a mismatch is formed between the queries being formulated and the tweets representing the actual topics. In this work, we present a re-ranking approach relying on inter-document relations, which attempts to bridge this gap. Experiments with TREC's Microblog 2012 collection show that including such information in the retrieval process, statistically significantly improves retrieval effectiveness in terms of Precision and MAP, when the baseline performs well as a starting point.