College of Engineering: Recent submissions
Now showing items 61-80 of 8477
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Detecting automatically-generated Arabic tweets
( Springer Verlag , 2015 , Conference Paper)Recently, Twitter, one of the most widely-known social media platforms, got infiltrated by several automation programs, commonly known as "bots". Bots can be easily abused to spread spam and hinder information extraction ... -
QweetFinder: Real-time finding and filtering of question tweets
( Springer Verlag , 2017 , Conference Paper)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. ... -
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 Paper)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, ... -
HBKU at TREC 2020: Conversational Multi-Stage Retrieval with Pseudo-Relevance Feedback
( National Institute of Standards and Technology (NIST) , 2020 , Conference Paper)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 ... -
Can We Build a Search Engine over Spark?
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)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 ... -
bigIR at TREC 2019: Graph-based Analysis for News Background Linking
( National Institute of Standards and Technology (NIST) , 2019 , Conference Paper)Nowadays, it is very rare to find an online news article that is self-contained with everything a reader would want to know about the article's story. Therefore, it became vital for any article to contain links to other ... -
Why is That a Background Article: A Qualitative Analysis of Relevance for News Background Linking
( Association for Computing Machinery , 2020 , Conference Paper)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 ... -
QU-BIGIR at SemEval 2017 Task 3: Using Similarity Features for Arabic Community Question Answering Forums
( Association for Computational Linguistics (ACL) , 2017 , Conference Paper)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 ... -
bigIR at TREC 2020: Simple but Deep Retrieval of Passages and Documents
( National Institute of Standards and Technology (NIST) , 2020 , Conference Paper)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 ... -
Simple but not naive: Fine-grained arabic dialect identification using only n-grams
( Association for Computational Linguistics (ACL) , 2019 , Conference Paper)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 ... -
bigIR at CheckThat! 2020: Multilingual BERT for Ranking Arabic Tweets by Check-worthiness
( CEUR-WS , 2020 , Conference Paper)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 ... -
Finding the Best of Both Worlds: Faster and More Robust Top-k Document Retrieval
( Association for Computing Machinery, Inc , 2020 , Conference Paper)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 ... -
AyaTEC: Building a Reusable Verse-Based Test Collection for Arabic Question Answering on the Holy Qur'an
( Association for Computing Machinery , 2020 , Article)The absence of publicly available reusable test collections for Arabic question answering on the Holy Qur'an has impeded the possibility of fairly comparing the performance of systems in that domain. In this article, we ... -
Detecting Stance of Authorities Towards Rumors in Arabic Tweets: A Preliminary Study
( Springer Science and Business Media Deutschland GmbH , 2023 , Conference Paper)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 ... -
The CLEF-2023 CheckThat! Lab: Checkworthiness, Subjectivity, Political Bias, Factuality, and Authority
( Springer Science and Business Media Deutschland GmbH , 2023 , Conference Paper)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 ... -
Qur'an QA 2022: Overview of The First Shared Task on Question Answering over the Holy Qur'an
( European Language Resources Association (ELRA) , 2022 , Conference Paper)Motivated by the resurgence of the machine reading comprehension (MRC) research, we have organized the first Qur'an Question Answering shared task,"Qur'an QA 2022". The task in its first year aims to promote state-of-the-art ... -
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 ... -
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 Paper)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 ... -
Overview of the CLEF-2021 CheckThat! Lab Task 2 on detecting previously fact-checked claims in tweets and political debates
( CEUR-WS , 2021 , Conference Paper)We describe the fourth edition of the CheckThat! Lab, part of the 2021 Conference and Labs of the Evaluation Forum (CLEF). The lab evaluates technology supporting three tasks related to factuality, and it covers Arabic, ...
