Computer Science & Engineering: المرسلات الحديثة
السجلات المعروضة 61 -- 80 من 2426
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Identification of answer-seeking questions in Arabic microblogs
( Association for Computing Machinery , 2014 , Conference)Over the past years, Twitter has earned a growing reputation as a hub for communication, and events advertisement and tracking. However, several recent research studies have shown that Twitter users (and microblogging ... -
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 ... -
Real, Live, and Concise: Answering Open-Domain Questions with Word Embedding and Summarization
( National Institute of Standards and Technology (NIST) , 2016 , Conference)Resorting to community question answering (CQA) websites for finding answers has gained momentum in the recent years with the explosive rate at which social media has been proliferating. With many questions left unanswered ... -
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. ... -
QU at TREC-2013: Expansion Experiments for Microblog Ad hoc Search
( National Institute of Standards and Technology (NIST) , 2013 , Conference)In the first appearance of Qatar University (QU) at Text REtrieval Conference (TREC), our submitted microblog runs explored different ways of expanding the context of both queries and tweets to overcome the sparsity and ... -
Who can verify this? Finding authorities for rumor verification in Twitter
( Elsevier , 2023 , Article)A large body of research work has proposed verification techniques for rumors spreading in social media that mainly relied on subjective evidence, e.g., propagation networks or user interactions. Alternatively, in this ... -
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 ... -
Unsupervised query reduction for efficient yet effective news background linking
( PeerJ Inc. , 2023 , Article)In this article, we study efficient techniques to tackle the news background linking problem, in which an online reader seeks background knowledge about a given article to better understand its context. Recently, this ... -
Improving conversational search with query reformulation using selective contextual history
( Elsevier , 2023 , Article)Automated responses to questions for conversational agents, known as conversation passage retrieval, is challenging due to omissions and implied context in user queries. To help address this challenge, queries can be ... -
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 ... -
IDRISI-D: Arabic and English Datasets and Benchmarks for Location Mention Disambiguation over Disaster Microblogs
( Association for Computational Linguistics (ACL) , 2023 , Conference)Extracting and disambiguating geolocation information from social media data enables effective disaster management, as it helps response authorities; for example, locating incidents for planning rescue activities and ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
bigIR at TREC 2019: Graph-based Analysis for News Background Linking
( National Institute of Standards and Technology (NIST) , 2019 , Conference)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 ...
