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diff --git a/Assignment 2/op_spam_v1.4/README.md b/Assignment 2/op_spam_v1.4/README.md new file mode 100644 index 0000000..a84e3ae --- /dev/null +++ b/Assignment 2/op_spam_v1.4/README.md @@ -0,0 +1,87 @@ +Deceptive Opinion Spam Corpus v1.4 +================================== + +Overview +-------- + +This corpus consists of truthful and deceptive hotel reviews of 20 Chicago +hotels. The data is described in two papers according to the sentiment of the +review. In particular, we discuss positive sentiment reviews in [1] and negative +sentiment reviews in [2]. + +While we have tried to maintain consistent data preprocessing procedures across +the data, there *are* differences which are explained in more detail in the +associated papers. Please see those papers for specific details. + +This corpus contains: + +* 400 truthful positive reviews from TripAdvisor (described in [1]) +* 400 deceptive positive reviews from Mechanical Turk (described in [1]) +* 400 truthful negative reviews from Expedia, Hotels.com, Orbitz, Priceline, + TripAdvisor and Yelp (described in [2]) +* 400 deceptive negative reviews from Mechanical Turk (described in [2]) + +Each of the above datasets consist of 20 reviews for each of the 20 most popular +Chicago hotels (see [1] for more details). The files are named according to the +following conventions: + +* Directories prefixed with `fold` correspond to a single fold from the + cross-validation experiments reported in [1] and [2]. + +* Files are named according to the format `%c_%h_%i.txt`, where: + + * %c denotes the class: (t)ruthful or (d)eceptive + + * %h denotes the hotel: + + * affinia: Affinia Chicago (now MileNorth, A Chicago Hotel) + * allegro: Hotel Allegro Chicago - a Kimpton Hotel + * amalfi: Amalfi Hotel Chicago + * ambassador: Ambassador East Hotel (now PUBLIC Chicago) + * conrad: Conrad Chicago + * fairmont: Fairmont Chicago Millennium Park + * hardrock: Hard Rock Hotel Chicago + * hilton: Hilton Chicago + * homewood: Homewood Suites by Hilton Chicago Downtown + * hyatt: Hyatt Regency Chicago + * intercontinental: InterContinental Chicago + * james: James Chicago + * knickerbocker: Millennium Knickerbocker Hotel Chicago + * monaco: Hotel Monaco Chicago - a Kimpton Hotel + * omni: Omni Chicago Hotel + * palmer: The Palmer House Hilton + * sheraton: Sheraton Chicago Hotel and Towers + * sofitel: Sofitel Chicago Water Tower + * swissotel: Swissotel Chicago + * talbott: The Talbott Hotel + + * %i serves as a counter to make the filename unique + +Questions +--------- + +Please direct questions to Myle Ott (<myleott@cs.cornell.edu>) + +References +---------- + +[1] M. Ott, Y. Choi, C. Cardie, and J.T. Hancock. 2011. Finding Deceptive +Opinion Spam by Any Stretch of the Imagination. In Proceedings of the 49th +Annual Meeting of the Association for Computational Linguistics: Human Language +Technologies. + +[2] M. Ott, C. Cardie, and J.T. Hancock. 2013. Negative Deceptive Opinion Spam. +In Proceedings of the 2013 Conference of the North American Chapter of the +Association for Computational Linguistics: Human Language Technologies. + +License +------- + +This work is licensed under the Creative Commons +Attribution-NonCommercial-ShareAlike 3.0 Unported License. To view a copy of +this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/ or send a +letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View, +California, 94041, USA. + +If you use any of this data in your work, please cite the appropriate associated +paper (described above). |