美国政府数据 http://www.data.gov/
Information Network
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proximity DBLP http://kdl.cs.umass.edu/data/dblp/dblp-info.html
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DBLP-Citation-Network http://arnetminer.org/citation
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CiteSeer (hardly) http://csxstatic.ist.psu.edu/about/data
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CiteSeer dumped http://martinharrigan.blogspot.com/2008/07/citeseers-dataset.html
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Cora (hardly) http://people.cs.umass.edu/~mccallum/data.html
Social Network
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Stanford large network dataset (contains lots of network dataset): http://snap.stanford.edu/data/
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Stanford class resources http://snap.stanford.edu/na09/resources.html
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ICWSM twitter dataset: http://twitter.mpi-sws.org/data-icwsm2010.html
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EBSN - Event-based social network dataset: http://www.largenetwork.org/ebsn
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Other social network dataset: Slashdot, Enron email, Mit mobile, Epinions reviews.
Sentiment and Option Mining
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Bing Liu's homepage
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Movie Review http://www.cs.cornell.edu/people/pabo/movie-review-data/
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Lee's homepage
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twitter sentiment: http://www.sananalytics.com/lab/twitter-sentiment/
Recommendation
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index1: https://gist.github.com/1653794
Machine Learning
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UCI dataset http://archive.ics.uci.edu/ml/datasets.html
Audio Retrieval
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CAL-500: http://twitterdata.org/
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Million song dataset http://labrosa.ee.columbia.edu/millionsong/
Miscellaneous1
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A lot graph dataset including several cups, twitter etc http://graphlab.org/downloads/datasets/
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Several graph dataset http://law.di.unimi.it/datasets.php
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Delicious/Flikr/Last.FM etc http://www.tagora-project.eu/data/
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A small dataset about links http://www.cs.umd.edu/projects/linqs/projects/lbc/index.html
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A small dataset including citeseerx/imdb http://komarix.org/ac/ds/
Miscellaneous2
Only user-object
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Amazon
Both user-user and user-object
single-type user netwrok
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Flickr, Youtube, twitter
signed user network
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Epinion, Slashdot, Ciao
Multi-type user network
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Facebook, Google plus
