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Our method\ncombines two weakly supervised components to identify salient opinions and form\nextractive summaries from multiple reviews: an aspect extractor trained under a\nmulti-task objective, and a sentiment predictor based on multiple instance\nlearning. We introduce an opinion summarization dataset that includes a\ntraining set of product reviews from six diverse domains and human-annotated\ndevelopment and test sets with gold standard aspect annotations, salience\nlabels, and opinion summaries. Automatic evaluation shows significant\nimprovements over baselines, and a large-scale study indicates that our opinion\nsummaries are preferred by human judges according to multiple criteria.","url_abs":"http://arxiv.org/abs/1808.08858v1","url_pdf":"http://arxiv.org/pdf/1808.08858v1.pdf","source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28","licence_url":"https://creativecommons.org/licenses/by-sa/4.0/legalcode","row_kind":"abstracts"},"code_links":[{"paper_slug":"summarizing-opinions-aspect-extraction-meets","repo_url":"https://github.com/stangelid/oposum","is_official":1,"mentioned_in_paper":1,"mentioned_in_github":0,"framework":"pytorch","reach":{"status":"ok","spdx":"Apache-2.0"}},{"paper_slug":"summarizing-opinions-aspect-extraction-meets","repo_url":"https://github.com/tpfeifle/MILNET_tensorflow","is_official":0,"mentioned_in_paper":0,"mentioned_in_github":1,"framework":"tf","reach":{"status":"ok","spdx":"MIT"}}],"tasks":[{"task_slug":"aspect-extraction","task_name":"Aspect Extraction"},{"task_slug":"form","task_name":"Form"},{"task_slug":"multiple-instance-learning","task_name":"Multiple Instance Learning"},{"task_slug":"opinion-summarization","task_name":"Opinion Summarization"}],"methods":[{"method_slug":"1d-cnn","method_name":"1D CNN"}],"datasets_introduced":[{"slug":"oposum","name":"OpoSum","full_name":""}],"methods_introduced":[],"results":[],"syntology":{"atlas_url":"https://app.syntology.ai/?focus=1808.08858","mcp":{"get_harvested_code_for_paper":{"arxiv_id":"1808.08858"}},"developers":"https://syntology.ai/developers","read_at":"2026-09-24T18:15:14+00:00","read_at_is":"when the build read Syntology's graph, not when any sample ran","claim":"Per-sample execution status on synthesized fixtures; not a correctness claim about the paper. 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