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| Cora Citation Matching | Text of citations hand-clustered into groups referring to the same paper. | | http://www.cs.purdue.edu/commugrate/data/mccallum/cora-refs.tar.gz | http://www.cs.umass.edu/~mccallum/data/cora-refs.tar.gz |  |  |  |
| SRAA: Simulated/Real/Aviation/Auto UseNet data | 73,218 UseNet articles from four discussion groups, for simulated auto racing, simulated aviation, real autos, real aviation. I have often used this data for binary classification---separating real from simulated, and auto from aviation---making the point that the same data can be classified different ways depending on the user's needs. This is especially interesting for semi-supervised learning. This data was gathered by Andrew McCallum while at Just Research. | | Coming soon | http://www.cs.umass.edu/~mccallum/data/sraa.tar.gz |  |  |  |
| Cora Research Paper Classification | Research papers classified into a topic hierarchy with 73 leaves. We call this a relational data set, because the citations provide relations among papers. | | http://www.cs.purdue.edu/commugrate/data/mccallum/cora-classify.tar.gz | http://www.cs.umass.edu/~mccallum/data/cora-classify.tar.gz |  |  |  |
| Cora Information Extraction | Research paper headers and citations, with labeled segments for authors, title, institutions, venue, date, page numbers and several other fields. | | http://www.cs.purdue.edu/commugrate/data/mccallum/cora-ie.tar.gz | http://www.cs.umass.edu/~mccallum/data/cora-ie.tar.gz |  |  |  |
| Frequently Asked Questions | Several UseNet FAQ's segmented into questions and answers. Data gathered and labeled by Dayne Freitag and Andrew McCallum. |
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01/01/2000 | http://www.cs.purdue.edu/commugrate/data/mccallum/faqdata/ | http://www.cs.umass.edu/~mccallum/data/faqdata |  |  |  |
| CMU Seminar Announcements | 48 emailed seminar announcements, with labeled segments for speaker, title, start-time, end-time. Labeled by Dayne Freitag. | | http://www.cs.purdue.edu/commugrate/data/mccallum/sa-tagged.tar.gz | http://www.cs.umass.edu/~mccallum/data/sa-tagged.tar.gz |  |  |  |
| Industry Sector | Corporate web pages classified into a topic hierarchy with about 70 leaves. | | http://www.cs.purdue.edu/commugrate/data/mccallum/sector.tar.gz | http://www.cs.umass.edu/~mccallum/data/sector.tar.gz |  |  |  |
| 20 Newsgroups | About 20,000 UseNet postings from 20 newsgroups. Gathered by Ken Lang at CMU in the mid-90's. This is the original set, without various editing done by Jason Rennie and others. |
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09/09/1999 | http://www.cs.purdue.edu/commugrate/data/20_newsgroups/ | http://kdd.ics.uci.edu/databases/20newsgroups/20newsgroups.html |  |  |  |
| CiteSeer | CiteSeer collection of research publications (BibTex Records and OAI records.)
OAI records are in two formats: * oai_dc.tar.gz - Includes the dublin core metadata standard. * oai_citeseer.tar.gz - The dublic core standard with additional metadata fields, including citation relationships (References and IsReferencedBy), author affiliations, and author addresses. | | http://www.cs.purdue.edu/commugrate/data/citeseer | http://citeseer.ist.psu.edu/oai.html |  |  |  |
| DBLP | A collection of bibliographic information on major computer science journals and proceedings. DBLP indexes more than one million articles and contains more than 10000 links to home pages of computer scientists.
| | http://www.cs.purdue.edu/commugrate/data/dblp | http://dblp.uni-trier.de/xml/ |  |  |  |