Search Results - "Magdy, Walid"
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Stance detection on social media: State of the art and trends
Published in Information processing & management (01-07-2021)“…Stance detection on social media is an emerging opinion mining paradigm for various social and political applications in which sentiment analysis may be…”
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The Effect of User Psychology on the Content of Social Media Posts: Originality and Transitions Matter
Published in Frontiers in psychology (21-04-2020)“…Multiple studies suggest that frequencies of affective words in social media text are associated with the user's personality and mental health. In this study,…”
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Characterizing the role of bots’ in polarized stance on social media
Published in Social network analysis and mining (01-12-2022)“…There is a rising concern with social bots that imitate humans and manipulate opinions on social media. Current studies on assessing the overall effect of bots…”
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A comparative study of effective approaches for Arabic sentiment analysis
Published in Information processing & management (01-03-2021)“…•We survey state-of-the-art methods for Arabic sentiment analysis.•We replicate the most effective methods (over 10 methods) for Arabic SA reported in the…”
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Unsupervised adaptive microblog filtering for broad dynamic topics
Published in Information processing & management (01-07-2016)“…Information filtering has been a major task of study in the field of information retrieval (IR) for a long time, focusing on filtering well-formed documents…”
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Hiding opinions from machine learning
Published in PNAS nexus (01-11-2022)“…Recent breakthroughs in machine learning and big data analysis are allowing our online activities to be scrutinized at an unprecedented scale, and our private…”
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Arabic Dialect Identification under Scrutiny: Limitations of Single-label Classification
Published 20-10-2023“…Automatic Arabic Dialect Identification (ADI) of text has gained great popularity since it was introduced in the early 2010s. Multiple datasets were developed,…”
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Bridging social media via distant supervision
Published in Social network analysis and mining (01-12-2015)“…Microblog classification has received a lot of attention in recent years. Different classification tasks have been investigated, most of them focusing on…”
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DLAMA: A Framework for Curating Culturally Diverse Facts for Probing the Knowledge of Pretrained Language Models
Published 08-06-2023“…A few benchmarking datasets have been released to evaluate the factual knowledge of pretrained language models. These benchmarks (e.g., LAMA, and ParaRel) are…”
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Improved Stance Prediction in a User Similarity Feature Space
Published in Proceedings of the 2017 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining 2017 (31-07-2017)“…Predicting the stance of social media users on a topic can be challenging, particularly for users who never express explicit stances. Earlier work has shown…”
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Stance Detection on Social Media: State of the Art and Trends
Published 15-04-2021“…Abeer ALDayel, Walid Magdy, Stance detection on social media: State of the art and trends, Information Processing & Management, Volume 58, Issue 4, 2021,…”
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Estimating the Level of Dialectness Predicts Interannotator Agreement in Multi-dialect Arabic Datasets
Published 18-05-2024“…On annotating multi-dialect Arabic datasets, it is common to randomly assign the samples across a pool of native Arabic speakers. Recent analyses recommended…”
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Effect of OCR error correction on Arabic retrieval
Published in Information retrieval (Boston) (01-10-2008)“…Arabic documents that are available only in print continue to be ubiquitous and they can be scanned and subsequently OCR’ed to ease their retrieval. This paper…”
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ALDi: Quantifying the Arabic Level of Dialectness of Text
Published 20-10-2023“…Transcribed speech and user-generated text in Arabic typically contain a mixture of Modern Standard Arabic (MSA), the standardized language taught in schools,…”
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Studying machine translation technologies for large-data CLIR tasks: a patent prior-art search case study
Published in Information retrieval (Boston) (01-10-2014)“…Prior-art search in patent retrieval is concerned with finding all existing patents relevant to a patent application. Since patents often appear in different…”
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iSarcasm: A Dataset of Intended Sarcasm
Published 08-11-2019“…We consider the distinction between intended and perceived sarcasm in the context of textual sarcasm detection. The former occurs when an utterance is…”
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Exploring Author Context for Detecting Intended vs Perceived Sarcasm
Published 25-10-2019“…Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics, 2019, pages 2854-2859 We investigate the impact of using author…”
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