{ "data_id": "42962", "name": "oclar", "exact_name": "oclar", "version": 1, "version_label": "1", "description": "**Author**: Marwan Al Omari, Moustafa Al-Hajj, Nacereddine Hammami, Amani Sabra\n**Source**: [UCI](https:\/\/archive.ics.uci.edu\/ml\/datasets\/Opinion+Corpus+for+Lebanese+Arabic+Reviews+%28OCLAR%29) - 2019\n**Please cite**: [Paper](https:\/\/ieeexplore.ieee.org\/document\/8716394)\n\n**Opinion Corpus for Lebanese Arabic Reviews (OCLAR) Data Set**\n\nThe researchers of OCLAR Marwan et al. (2019), they gathered Arabic costumer reviews from and Zomato website on wide scope of domain, including restaurants, hotels, hospitals, local shops, etc. The corpus finally contains 3916 reviews in 5-rating scale. For this research purpose, the positive class considers rating stars from 5 to 3 of 3465 reviews, and the negative class is represented from values of 1 and 2 of about 451 texts.\n\n### Attribute Information:\n\n1. 3916 text reviews \n2. 5-rating scale: 1: 303 \n2. 148 \n3. 418 \n4. 734 \n5. 2313 \n\nPositive class includes rating stars from 5 to 3 of 3465 total. \nNegative class include rating stars from 1 to 2 of 451 total. ", "format": "arff", "uploader": "Meilina Reksoprodjo", "uploader_id": 24140, "visibility": "public", "creator": "Marwan Al Omari, Moustafa Al-Hajj, Nacereddine Hammami, Amani Sabra", "contributor": null, "date": "2021-05-28 10:22:55", "update_comment": null, "last_update": "2021-05-28 10:22:55", "licence": "Publicly available", "status": "active", "error_message": null, "url": "https:\/\/www.openml.org\/data\/download\/22045631\/dataset", "default_target_attribute": null, "row_id_attribute": null, "ignore_attribute": null, "runs": 0, "suggest": { "input": [ "oclar", "The researchers of OCLAR Marwan et al. (2019), they gathered Arabic costumer reviews from and Zomato website on wide scope of domain, including restaurants, hotels, hospitals, local shops, etc. The corpus finally contains 3916 reviews in 5-rating scale. For this research purpose, the positive class considers rating stars from 5 to 3 of 3465 reviews, and the negative class is represented from values of 1 and 2 of about 451 texts. ### Attribute Information: 1. 3916 text reviews 2. 5-rating scale: " ], "weight": 5 }, "qualities": { "NumberOfInstances": 3916, "NumberOfFeatures": 3, "NumberOfClasses": null, "NumberOfMissingValues": 0, "NumberOfInstancesWithMissingValues": 0, "NumberOfNumericFeatures": 1, "NumberOfSymbolicFeatures": 0, "Dimensionality": 0.0007660878447395301, "PercentageOfNumericFeatures": 33.33333333333333, "MajorityClassPercentage": null, "PercentageOfSymbolicFeatures": 0, "MajorityClassSize": null, "MinorityClassPercentage": null, "MinorityClassSize": null, "NumberOfBinaryFeatures": 0, "PercentageOfBinaryFeatures": 0, "PercentageOfInstancesWithMissingValues": 0, "AutoCorrelation": null, "PercentageOfMissingValues": 0 }, "tags": [ { "uploader": "38960", "tag": "Images" }, { "uploader": "38960", "tag": "Transportation" } ], "features": [ { "name": "pagename", "index": "0", "type": "string", "distinct": "405", "missing": "0" }, { "name": "review", "index": "1", "type": "string", "distinct": "3096", "missing": "0" }, { "name": "rating", "index": "2", "type": "numeric", "distinct": "5", "missing": "0", "min": "1", "max": "5", "mean": "4", "stdev": "1" } ], "nr_of_issues": 0, "nr_of_downvotes": 0, "nr_of_likes": 0, "nr_of_downloads": 0, "total_downloads": 0, "reach": 0, "reuse": 0, "impact_of_reuse": 0, "reach_of_reuse": 0, "impact": 0 }