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Quora Question Pairs (QQP) dataset consists of over 400,000 question pairs, and each question pair is annotated with a binary value indicating whether the two questions are paraphrase of each other. Source: Bilateral Multi-Perspective Matching for Natural Language Sentences

AmazonQA consists of 923k questions, 3.6M answers and 14M reviews across 156k products. Building on the well-known Amazon dataset, additional annotations are collected, marking each question as either answerable or unanswerable based on the available reviews. Source: AmazonQA: A Review-Based Question Answering Task

ANTIQUE is a collection of 2,626 open-domain non-factoid questions from a diverse set of categories. The dataset contains 34,011 manual relevance annotations. The questions were asked by real users in a community question answering service, i.e., Yahoo! Answers. Relevance judgments for all the answers to each question were collected through crowdsourcing.

CQASUMM is a dataset for CQA (Community Question Answering) summarization, constructed from the 4.4 million Yahoo! Answers L6 dataset. The dataset contains ~300k annotated samples. Source: CQASUMM

PerCQA is the first Persian dataset for CQA (Community Question Answering). This dataset contains the questions and answers crawled from the most well-known Persian forum.

Personalization in Information Retrieval is a topic studied for a long time. Nevertheless, there is still a lack of high-quality, real-world datasets to conduct large-scale experiments and evaluate models for personalized search. This paper contributes to fill this gap by introducing SE-PQA (StackExchange - Personalized Question Answering), a new resource to design and evaluate personalized models related to the two tasks of community Question Answering (cQA). The contributed dataset includes more than 1 million queries and 2 million answers, annotated with a rich set of features modeling the social interactions among the users of a popular cQA platform. We describe the characteristics of SE-PQA and detail the features associated with both questions and answers. We also provide reproducible baseline methods for the cQA task based on the resource, including deep learning models and personalization approaches. The results of the preliminary experiments conducted show the appropriateness of SE-PQA to train effective cQA models; they also show that personalization improves remarkably the effectiveness of all the methods tested. Furthermore, we show the benefits in terms of robustness and generalization of combining data from multiple communities for personalization purposes.