Dataset Overview

This data set contains full reviews for cars and and hotels collected from Tripadvisor (~259,000 reviews) and Edmunds (~42,230 reviews).

Car Reviews

Dataset Description

Full reviews of cars for model-years 2007, 2008, and 2009

There are about 140-250 cars for each model year

Extracted fields include dates, author names, favorites and the full textual review

Total number of reviews: ~42,230 Year 2007 -18,903 reviews Year 2008 -15,438 reviews Year 2009 – 7,947 reviews



Format

There are three different folders (2007,2008,2009) representing the three model years. Each file (within these 3 folders) would contain all reviews for a particular car. The filename represents the name of the car. Within each car file, you would see a set of reviews in the following format:

<DOC>

<DATE>06/15/2009</DATE>

<AUTHOR>The author</AUTHOR>

<TEXT>The review goes here..</TEXT>

<FAVORITE>What are my favorites about this car</FAVORITE>

</DOC>

Note that each review is enclosed within a element as shown above and all the extracted items are within this element.

Hotel Reviews

Dataset Description

Full reviews of hotels in 10 different cities (Dubai, Beijing, London, New York City, New Delhi, San Francisco, Shanghai, Montreal, Las Vegas, Chicago)

There are about 80-700 hotels in each city

Extracted fields include date, review title and the full review

Total number of reviews: ~259,000

Format

There should be 10 different folders representing the 10 cities mentioned earlier. Each file (within these 10 folders) would contain all reviews related to a particular hotel. The filename represents the name of the hotel. Within each file, you would see a set of reviews in the following format:

Date1<tab>Review title1<tab>Full review 1

Date2<tab>Review title2<tab>Full review 2

…………….

…………….

Each line in the file represents a separate review entry. Tabs are used to separate the different fields.

Downloads

Dataset with Judgments – Reviews and Relevance Judgments (~100MB) [ readme ]

Citing Dataset

If you use this dataset for your own research please cite the following to mark the dataset:

Ganesan, K. A., and C. X. Zhai, “Opinion-Based Entity Ranking“, Information Retrieval.

@article{ganesan2012opinion, title={Opinion-based entity ranking}, author={Ganesan, Kavita and Zhai, ChengXiang}, journal={Information retrieval}, volume={15}, number={2}, pages={116--150}, year={2012}, publisher={Springer} }