منابع مشابه
Catching the Long-Tail: Extracting Local News Events from Twitter
Twitter, used in 200 countries with over 250 million tweets a day, is a rich source of local news from around the world. Many events of local importance are first reported on Twitter, including many that never reach news channels. Further, there are often only a few tweets reporting each such event, in contrast with the larger volumes that follow events of wider significance. Even though such e...
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To help people obtain the most important information daily in the shortest time, a novel framework is presented for simultaneous key entities extraction and significant events mining from daily web news. The technique is mainly based on modeling entities and news documents as weighted undirected bipartite graph, which consists of three steps. First, key entities are extracted by scoring all can...
متن کاملExtracting and Aggregating False Information from Microblogs
During the 2011 East Japan Earthquake and Tsunami Disaster, we had found a number of false information spread on Twitter, e.g., “The Cosmo Oil explosion causes toxic rain.” This paper extracts pieces of false information exhaustively from all the tweets within one week after the earthquake. Designing a set of linguistic patterns that correct false information, this paper proposes a method for d...
متن کاملExtracting Relevant and Trustworthy Information from Microblogs
Microblogging sites like Twitter have emerged as a popular platform for exchanging real-time information on the Web. Twitter is used by hundreds of millions of users ranging from popular news organizations and celebrities to domain experts in fields like computer science and astrophysics and spammers. As a result, the quality of information posted in Twitter is highly variable and finding the u...
متن کاملDiscovering and Tracking Events From News, Blogs and Microblogs on the Web
Using three data sources, news, blogs, and microblogs, this study proposes a framework for discovering and tracking events embedded in free form online text. Existing methods for text mining are discussed for the three sources. Because three sources have different perspective, event analysis, region-topic model and rare keywords are proposed respectively. In order to integrate three data source...
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ژورنال
عنوان ژورنال: Journal of Statistics and Management Systems
سال: 2018
ISSN: 0972-0510,2169-0014
DOI: 10.1080/09720510.2018.1486273