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This paper describes our approach to real-time ad hoc task processing in the TREC 2012 Microblog track. ... The second approach uses time-based query expansion method leveraging the temporal property derived from the real-time feature on microblogging services. ... In our experiments, we used the titles of TREC Microblog track topics numbered 51-110 as test queries, which are the official queries in the TREC 2012 Microblog track. ...dblp:conf/trec/MiyanishiSU12 fatcat:lyrbmbqy3rbuhlrywytjn7qkni
This paper describes our approach to real-time ad hoc task processing in the TREC 2013 microblog track. ... Our model extends an effective existing word and concept-based relevance models by tracking the concept frequency over time in microblogging services. ... P@30 was the official microblog track metric in 2011 and both P@30 and AP were used in TREC 2012. ...dblp:conf/trec/MiyanishiKSU13 fatcat:4tkv6wumwjexbjkruseqwzdbva
We report on the participation of the CSIRO 1 team in the TREC 2012 Microblog Track. We participated with four automatic runs for the adhoc search task and four automatic runs for the filtering task. ... In the adhoc search task, we experiment with different pre-processing and query expansion techniques. ... CONCLUSIONS We reported our experiments in the TREC Microblog Track for both search and filtering tasks. ...dblp:conf/trec/KarimiYT12 fatcat:ci6456fsjjdobcot5ahbnp4y5m
This is illustrated through three case studies: first, examining whether sentiment expressed in social media can track opinion polls on economic and political topics (Chapter 3); second, analyzing how ... tools that are employed for these analyses, and also contribute MiTextExplorer, an interactive system for exploratory analysis of text data against document covariates, whose design was informed by the experience ... Our problem is related to work on sentiment information retrieval, such as the TREC Blog Track competitions that have challenged systems to find and classify blog posts containing opinions on a given topic ...doi:10.1184/r1/6723179 fatcat:eybyauanyve45lxvaf2nr6p7du