event detection

event detection

1. twitter

   • social connectivity for breaking event is lower
   • time series volume data of tweets
     • exceed some expected level of activity
       • Michael Jackson' death (terms “Michael and Jackson and time period June 25 2009”) bursty and hierarchical structure in stream (paper)
   • how corresponding to large-scale media event
     • Diamonds in the rough: social media visual analytics for journalistic inquiry
   • collect key word from API and their term frequency measures Ttw and Ttf

2. blog

   • Analyzing concerns of people from Weblog articles.pdf
   • BlogPulse
   • blogsphere
     • unsupervised probabilistic models
       • blogger-link topic model.pdf
       • Latent Dirichlet Allocation
       • blogger-link topic model.pdf
   • co-occurrence words
   • Spam Method

3. videos(Yotube)

   • Robust dynamic classes revealed by measuring the response function of a social system
   • endogenous and exogenous

4. news events – and associated messages on Twitter

5. Flicker Photograohs

   • Event detection from Flickr data through wavelet-based spetial ananlysis Towards automatic extraction of event and place semantics from Flickr tags

6. information dissemination

   • News Cycle& Structure of the stream
     • Meme-tracking and the dynamics of the news cycle bursty and hierarchical structure in streams.

7. Local Event and other Exogenous Trends

8. localized event

   • Location-Based Events Detection on Micro-Blogs .pdf
   • Socio-geographic data
     • Incremental Gaussian Mixture Network (IGMN)
       •        Igmn: An incremental gaussian mixture network that learns instantaneously from data flows,    

9. change point detection

   • apriori determine