منابع مشابه
Predicting Locations in Tweets
Five hundred millions of tweets are posted daily, making Twitter a major social media from which topical information on events can be extracted. Events are represented by time, location and entityrelated information. This paper focuses on location which is an important clue for both users and geo-spatial applications. We address the problem of predicting whether a tweet contains a location or n...
متن کاملPredicting Flu Incidence from Portuguese Tweets
Social media platforms encourage people to share diverse aspects of their daily life. Among these, shared health related information might be used to infer health status and incidence rates for specific conditions or symptoms. In this work, we evaluate the use of Twitter messages and search engine query logs to estimate the incidence rate of influenza like illness in Portugal. Based on a classi...
متن کاملScholarly Tweets: Measuring Research Impact via Altmetrics
Last spring a faculty member asked me to find their h-index, collect the Impact Factor (IF) for all the journals in which they were published, and compile the number of citations each of their articles had received. When I presented the results, they insisted their work was more influential than what the metrics suggested. I explained why IFs for specialized journals were lower than more genera...
متن کاملClassification of Tweets via Clustering of Hashtags
We present two techniques to aid in the retrieval of information from Twitter. First we present a technique to cluster hashtags in meaningful topic groups using a combination of co-occurrence frequency, graph clustering and textual similarity. Second, we present a technique to classify a tweet in terms of these topic groups based on their word content using a combination of PCA dimensionality r...
متن کاملAligning tweets with events: Automation via semantics
Microblogging platforms, such as Twitter, now provide web users with an on-demand service to share and consume fragments of information. Such fragments often refer to real-world events (e.g., shows, conferences) and often refer to a particular event component (such as a particular talk), providing a bridge between the real and virtual worlds. The utility of tweets allows companies and organisat...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Science
سال: 2015
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.350.6267.1488-d