College of Engineering: المرسلات الحديثة
السجلات المعروضة 101 -- 120 من 8514
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Simple but not naive: Fine-grained arabic dialect identification using only n-grams
( Association for Computational Linguistics (ACL) , 2019 , Conference)This paper presents the participation of Qatar University team in MADAR shared task, which addresses the problem of sentence-level fine-grained Arabic Dialect Identification over 25 different Arabic dialects in addition ... -
Why is That a Background Article: A Qualitative Analysis of Relevance for News Background Linking
( Association for Computing Machinery , 2020 , Conference)News background linking is the problem of finding online resources that can provide valuable context and background information to help the reader comprehend a given news article. While the problem has recently attracted ... -
HBKU at TREC 2020: Conversational Multi-Stage Retrieval with Pseudo-Relevance Feedback
( National Institute of Standards and Technology (NIST) , 2020 , Conference)Passage retrieval in a conversational context is extremely challenging due to limited data resources. Information seeking in a conversational setting may contain omissions, implied context, and topic shifts. TREC CAsT ... -
bigIR at TREC 2020: Simple but Deep Retrieval of Passages and Documents
( National Institute of Standards and Technology (NIST) , 2020 , Conference)In this paper, we present the participation of the bigIR team at Qatar University in the TREC Deep Learning 2020 track. We participated in both document and passage retrieval tasks, and each of its subtasks, full ranking ... -
bigIR at CheckThat! 2020: Multilingual BERT for Ranking Arabic Tweets by Check-worthiness
( CEUR-WS , 2020 , Conference)This paper describes the third-year participation of our bigIR group at Qatar University in CheckThat! lab at CLEF. This year we participated only in Arabic Task 1 that focuses on detecting check-worthy tweets on a given ... -
QU-BIGIR at SemEval 2017 Task 3: Using Similarity Features for Arabic Community Question Answering Forums
( Association for Computational Linguistics (ACL) , 2017 , Conference)In this paper, we describe our QU-BIGIR system for the Arabic subtask D of the SemEval 2017 Task 3. Our approach builds on our participation in the past version of the same subtask. This year, our system uses different ... -
QweetFinder: Real-time finding and filtering of question tweets
( Springer Verlag , 2017 , Conference)Users continuously ask questions and seek answers in social media platforms such as Twitter. In this demo, we present Qweet-Finder, a Web-based search engine that facilitates finding question tweets (Qweets) in Twitter. ... -
Can We Build a Search Engine over Spark?
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference)Search engines have to deal with a huge amount of data in scalable and efficient ways to produce effective search results. In this paper, we address the problem of building an efficient and scalable experimental search ... -
The CLEF-2021 CheckThat! Lab on Detecting Check-Worthy Claims, Previously Fact-Checked Claims, and Fake News
( Springer Science and Business Media Deutschland GmbH , 2021 , Conference)We describe the fourth edition of the CheckThat! Lab, part of the 2021 Cross-Language Evaluation Forum (CLEF). The lab evaluates technology supporting various tasks related to factuality, and it is offered in Arabic, ... -
Finding the Best of Both Worlds: Faster and More Robust Top-k Document Retrieval
( Association for Computing Machinery, Inc , 2020 , Conference)Many top-k document retrieval strategies have been proposed based on the WAND and MaxScore heuristics and yet, from recent work, it is surprisingly difficult to identify the "fastest" strategy. This becomes even more ... -
Arabic machine reading comprehension on the Holy Qur'an using CL-AraBERT
( Elsevier , 2022 , Article)In this work, we tackle the problem of machine reading comprehension (MRC) on the Holy Qur'an to address the lack of Arabic datasets and systems for this important task. We construct QRCD as the first Qur'anic Reading ... -
ECAsT: a large dataset for conversational search and an evaluation of metric robustness
( PeerJ Inc. , 2023 , Article)The Text REtrieval Conference Conversational assistance track (CAsT) is an annual conversational passage retrieval challenge to create a large-scale open-domain conversational search benchmarking. However, as of yet, the ... -
Studying effectiveness of Web search for fact checking
( John Wiley and Sons Inc , 2022 , Article)Web search is commonly used by fact checking systems as a source of evidence for claim verification. In this work, we demonstrate that the task of retrieving pages useful for fact checking, called evidential pages, is ... -
Preface : 5th Workshop Open-Source Arabic Corpora and Processing Tools with Shared Tasks on Qur'an QA and Fine-Grained Hate Speech Detection, OSACT 2022 - Proceedings at Language Resources and Evaluation Conference, LREC 2022
( European Language Resources Association (ELRA) , 2022 , Other)Given the success of the first, second, third, and fourth workshops on Open-Source Arabic Corpora and Corpora Processing Tools (OSACT) in LREC 2014, LREC 2016, LREC 2018, and LREC 2020, the fifth workshop comes to encourage ... -
The CLEF-2023 CheckThat! Lab: Checkworthiness, Subjectivity, Political Bias, Factuality, and Authority
( Springer Science and Business Media Deutschland GmbH , 2023 , Conference)The five editions of the CheckThat! lab so far have focused on the main tasks of the information verification pipeline: check-worthiness, evidence retrieval and pairing, and verification. The 2023 edition of the lab zooms ... -
Overview of the CLEF-2023 CheckThat! Lab Task 5 on Authority Finding in Twitter
( CEUR-WS , 2023 , Conference)We present an overview of Task 5 of the sixth edition of the CheckThat! Lab, which is a part of the 2023 Conference and Labs of the Evaluation Forum (CLEF). In this Authority Finding task, participating systems are required ... -
Detecting Stance of Authorities Towards Rumors in Arabic Tweets: A Preliminary Study
( Springer Science and Business Media Deutschland GmbH , 2023 , Conference)A myriad of studies addressed the problem of rumor verification in Twitter by either utilizing evidence from the propagation networks or external evidence from the Web. However, none of these studies exploited evidence ... -
Qur'an QA 2023 Shared Task: Overview of Passage Retrieval and Reading Comprehension Tasks over the Holy Qur'an
( Association for Computational Linguistics (ACL) , 2023 , Conference)Motivated by the need for intelligent question answering (QA) systems on the Holy Qur'an and the success of the first Qur'an Question Answering shared task (Qur'an QA 2022 at OSACT 2022), we have organized the second version ... -
bigIR at TREC 2021: Adopting Transfer Learning for News Background Linking
( National Institute of Standards and Technology (NIST) , 2021 , Conference)In this paper, we present the participation of the bigIR team at Qatar University in the TREC 2021 news track. We participated in the background linking task. The task mainly aims to retrieve news articles that provide ... -
ArCOV-19: The First Arabic COVID-19 Twitter Dataset with Propagation Networks
( Association for Computational Linguistics (ACL) , 2021 , Conference)In this paper, we present ArCOV-19, an Arabic COVID-19 Twitter dataset that spans one year, covering the period from 27th of January 2020 till 31st of January 2021. ArCOV-19 is the first publicly-available Arabic Twitter ...
