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30th WWW 2021: Virtual Event / Ljubljana, Slovenia - Companion Volume
- Jure Leskovec, Marko Grobelnik, Marc Najork, Jie Tang, Leila Zia:

Companion of The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021. ACM / IW3C2 2021, ISBN 978-1-4503-8313-4
The 3rd Innovation Workshop on Transforming Big Data into Actionable Knowledge (BiDAW)
- Yeshi Dolma, Raunak Kalani, Astha Agrawal, Saurav Basu:

Improving Bounce Rate Prediction for Rare Queries by Leveraging Landing Page Signals. 1-6 - Valentina Janev

, Maria-Esther Vidal, Kemele M. Endris, Dea Pujic
:
Managing Knowledge in Energy Data Spaces. 7-15 - Irlán Grangel-González, Maria-Esther Vidal:

Analyzing a Knowledge Graph of Industry 4.0 Standards. 16-25 - Mahdi Bohlouli

, Zhonghua He:
EMR: Scalable Clustering of Big HR Data using Evolutionary MapReduce. 26-34 - Mahdi Bohlouli

, Jonathan Hermann, Fabian Sunnus:
SciBiD: Novel Scientometrics and NoSQL-enabled Scalable and domain-specific Analysis of Big Scholar Data. 35-43
The 1st International Workshop on Deep Learning for the Web of Things
- Xingsi Xue, Chao Jiang

, Chaofan Yang, Hai Zhu, Cong Hu:
Artificial Neural Network Based Sensor Ontology Matching Technique. 44-51 - Shuo Xiao, Shengzhi Wang, Zhenzhen Huang, Tianyu Wang, Wei Chen, Guopeng Zhang:

Task Offloading Strategy of Internet of Vehicles Based on Stackelberg Game. 52-56 - Lei Zhang, Jie Liu, Fuquan Zhang, Yu Mao:

Distributed Fog Computing Based on Improved LT codes for Deep Learning in Web of Things. 57-62 - Linjuan Ma, Fuquan Zhang:

A Deep End-to-end Hand Detection Application On Mobile Device Based On Web Of Things. 63-67 - Junjie Jin, Xinrong Hu, Kai He, Tao Peng, Junping Liu, Jie Yang

:
Progressive Semantic Reasoning for Image Inpainting. 68-76 - Xiaohua Chen, Ruping Zhou, Genggeng Liu, Zhen Chen, Wenzhong Guo:

Timing-Driven X-architecture Steiner Minimum Tree Construction Based on Social Learning Multi-Objective Particle Swarm Optimization. 77-84 - Weidong Fang, Wuxiong Zhang, Wei Chen, Li Yi, Weiwei Gao:

PDTM: Poisson Distribution-based Trust Model for Web of Things. 85-89 - Ye Sun, Bing Tian, Xiaoyue Liu, Dufeng Chen, Yuliang Wu:

A Kind of Prediction Based on SOM Neural Clustering and Combination Weighting Evaluation Method. 90-96 - Canyang Guo, Ling Wu

, Cheng Shi, Chi-Hua Chen
:
Mobile Positioning Based on TAE-GRU. 97-104 - Zhao Li, Pengrui Hui, Peng Zhang

, Jiaming Huang, Biao Wang, Ling Tian, Ji Zhang, Jianliang Gao, Xing Tang:
What Happens Behind the Scene? Towards Fraud Community Detection in E-Commerce from Online to Offline. 105-113
2nd Workshop on Deep Reinforcement Learning for Knowledge Discovery
- Ruiyang Xu, Zhengxing Chen:

A Feature Analysis Tool for Batch RL Datasets. 114-122 - Yijiang Lian, Zhijie Chen, Xin Pei, Shuang Li, Yifei Wang, Yuefeng Qiu, Zhiheng Zhang, Zhipeng Tao, Liang Yuan, Hanju Guan, Kefeng Zhang, Zhigang Li, Xiaochun Liu:

Optimizing AD Pruning of Sponsored Search with Reinforcement Learning. 123-127
Workshop Data Science for Social Good
- Charalampos Chelmis, Wenting Qi, Wonhyung Lee:

Challenges and Opportunities in Using Data Science for Homelessness Service Provision. 128-135 - Fabio Poletto, Yunbai Zhang, André Panisson

, Yelena Mejova, Daniela Paolotti, Sylvain Ponserre:
Developing Annotated Resources for Internal Displacement Monitoring. 136-144 - Carolina C. Vieira, Marisa Vasconcelos

:
Using Facebook Ads Data to Assess Gender Balance in STEM: Evidence from Brazil. 145-153 - Esther Mead, Maryam Maleki, Recep Erol

, Nitin Agarwal:
Proposing a Broader Scope of Predictive Features for Modeling Refugee Counts. 154-160 - Akrati Saxena

, George Fletcher
, Mykola Pechenizkiy
:
How Fair is Fairness-aware Representative Ranking? 161-165 - Aparup Khatua, Wolfgang Nejdl

:
Analyzing European Migrant-related Twitter Deliberations. 166-170
First International Workshop on the Efficiency of Modern Data Centers (EMDC) Chairs' Welcome
- Weizheng Xu, Youtao Zhang, Xulong Tang

:
Parallelizing DNN Training on GPUs: Challenges and Opportunities. 174-178 - Junjie Qian, Taeyoon Kim

, Myeongjae Jeon:
Reliability of Large Scale GPU Clusters for Deep Learning Workloads. 179-181 - Alexander Gilgur, Brian Coutinho, Iyswarya Narayanan

, Parth Malani:
Transitive Power Modeling for Improving Resource Efficiency in a Hyperscale Datacenter. 182-191 - Minjia Zhang:

DL Inference and Training Optimization Towards Speed and Scale. 192
Third Workshop on Fairness, Accountability, Transparency, Ethics and Society on the Web
- Haipei Sun, Yiding Yang, Yanying Li, Huihui Liu, Xinchao Wang

, Wendy Hui Wang:
Automating Fairness Configurations for Machine Learning. 193-201 - Bettina Berendt, Özgür Karadeniz, Stefan Mertens, Leen D'Haenens

:
Fairness beyond "equal": The Diversity Searcher as a Tool to Detect and Enhance the Representation of Socio-political Actors in News Media. 202-212 - Golshan Madraki, Isabella Grasso, Jacqueline M. Otala, Yu Liu, Jeanna N. Matthews

:
Characterizing and Comparing COVID-19 Misinformation Across Languages, Countries and Platforms. 213-223 - Jacqueline M. Otala, Gillian Kurtic, Isabella Grasso, Yu Liu, Jeanna N. Matthews

, Golshan Madraki:
Political Polarization and Platform Migration: : A Study of Parler and Twitter Usage by United States of America Congress Members. 224-231 - Aleksandra Urman

, Mykola Makhortykh
, Roberto Ulloa
:
Auditing Source Diversity Bias in Video Search Results Using Virtual Agents. 232-236 - Lucy Vasserman:

AI Principles in Identifying Toxicity in Online Conversation: Keynote at the Third Workshop on Fairness, Accountability, Transparency, Ethics and Society on the Web. 237
The First Workshop on Financial Technology on the Web
- Junxiang Jiang, Boyi Ni, Chunping Wang:

Financial Fraud Detection on Micro-credit Loan Scenario via Fuller Location Information Embedding. 238-246 - Yash Agrawal, Vivek Anand, S. Arunachalam, Vasudeva Varma

:
Hierarchical Model for Goal Guided Summarization of Annual Financial Reports. 247-254 - Maofu Liu, Xinxin Xia, Wei Wang:

A Chinese Dataset for Exploring Financial Numeral Attributes. 255-259 - Yusuf Arslan, Kevin Allix, Lisa Veiber, Cedric Lothritz, Tegawendé F. Bissyandé, Jacques Klein

, Anne Goujon:
A Comparison of Pre-Trained Language Models for Multi-Class Text Classification in the Financial Domain. 260-268 - Soumajyoti Sarkar:

Centralized Borrower and Lender Matching under Uncertainty for P2P Lending. 269-273 - Jiantao Huang

, Yi-Ru Liou, Hsin-Hsi Chen:
Enhancing Intent Detection in Customer Service with Social Media Data. 274-275 - Willy Au, Abderrahim Ait-Azzi, Juyeon Kang:

FinSBD-2021: The 3rd Shared Task on Structure Boundary Detection in Unstructured Text in the Financial Domain. 276-279 - Tien-Dung Le:

taka at the FinSBD-3 task: Tables and Figures Extraction using Object Detection Techniques. 280-282 - Ke Tian, Hua Chen:

aiai at the FinSBD-3 task: Structure Boundary Detection of Noisy Financial Texts in English and French Using Data Augmentation and Hybrid Deep Learning Model. 283-287 - Youness Mansar, Juyeon Kang, Ismaïl El Maarouf:

The FinSim-2 2021 Shared Task: Learning Semantic Similarities for the Financial Domain. 288-292 - Jan Portisch, Michael Hladik, Heiko Paulheim

:
FinMatcher at FinSim-2: Hypernym Detection in the Financial Services Domain using Knowledge Graphs. 293-297 - Timen Stepisnik Perdih, Senja Pollak, Blaz Skrlj:

JSI at the FinSim-2 task: Ontology-Augmented Financial Concept Classification. 298-301 - Nhu Khoa Nguyen, Emanuela Boros

, Gaël Lejeune, Antoine Doucet, Thierry Delahaut:
L3i_LBPAM at the FinSim-2 task: Learning Financial Semantic Similarities with Siamese Transformers. 302-306 - Yulong Pei, Qian Zhang:

GOAT at the FinSim-2 task: Learning Word Representations of Financial Data with Customized Corpus. 307-310 - Tushar Goel, Vipul Chauhan, Ishan Verma, Tirthankar Dasgupta, Lipika Dey:

TCS_WITM_2021 @FinSim-2: Transformer based Models for Automatic Classification of Financial Terms. 311-315 - Emmanuele Chersoni

, Chu-Ren Huang:
PolyU-CBS at the FinSim-2 Task: Combining Distributional, String-Based and Transformers-Based Features for Hypernymy Detection in the Financial Domain. 316-319 - Ke Tian, Hua Chen:

aiai at the FinSim-2 task: Finance Domain Terms Automatic Classification Via Word Ontology and Embedding. 320-322
Workshop proposal: LocWeb 2021 at The Web Conference 2021
- Dirk Ahlers, Erik Wilde, Rossano Schifanella, Jalal S. Alowibdi:

LocWeb2021 Workshop - Chair's Welcome: Eleventh International Workshop on Location and the Web at The Web Conference 2021. 323 - Jens Helge Reelfs, Max Bergmann, Oliver Hohlfeld, Niklas Henckell:

Understanding & Predicting User Lifetime with Machine Learning in an Anonymous Location-Based Social Network. 324-331 - Ovidiu Dan, Vaibhav Parikh, Brian D. Davison:

IP Geolocation Using Traceroute Location Propagation and IP Range Location Interpolation. 332-338 - Christopher Stelzmüller

, Sebastian Tanzer, Markus Schedl:
Cross-city Analysis of Location-based Sentiment in User-generated Text. 339-346 - Flora D. Salim

:
Learning Spatio-Temporal Behavioural Representations for Urban Activity Forecasting. 347-348
SessionNLP Beyond Text - 2nd Edition Workshop Proposal
- Shashank Kedia, Aditya Mantha, Sneha Gupta, Stephen D. Guo, Kannan Achan:

Generating Rich Product Descriptions for Conversational E-commerce Systems. 349-356 - Gregor Donabauer, Udo Kruschwitz

, David P. A. Corney:
Making Sense of Subtitles: Sentence Boundary Detection and Speaker Change Detection in Unpunctuated Texts. 357-362 - Rada Mihalcea:

Language, Vision and Action are Better Together. 363 - Desmond Elliott:

Beyond Text and Back Again. 364 - Jason Baldridge:

Language, Vision and Action are Better Together. 365 - Raquel Fernández:

Grounding Language in Visual and Conversational Contexts. 366
First International Workshop on News Recommendation and Intelligence
- Ethan Xia, Han Yue, Hongfu Liu

:
Tweet Sentiment Analysis of the 2020 U.S. Presidential Election. 367-371 - Xiaokai Chen

, Xiaoguang Gu, Libo Fu:
Boosting Share Routing for Multi-task Learning. 372-379 - Koustav Rudra

, Danny Tran, Miroslav Shaltev
:
EUDETECTOR: Leveraging Language Model to Identify EU-Related News. 380-384 - Jamell Dacon, Haochen Liu:

Does Gender Matter in the News? Detecting and Examining Gender Bias in News Articles. 385-392 - Alyssa Lees, Luciano Barbosa, Flip Korn, Levy de Souza Silva, You Wu

, Cong Yu:
Collocating News Articles with Structured Web Tables✱. 393-401 - Himan Abdollahpouri, Edward C. Malthouse, Joseph A. Konstan

, Bamshad Mobasher
, Jeremy Gilbert
:
Toward the Next Generation of News Recommender Systems. 402-406 - Mingfei Guo, Xiuying Chen, Juntao Li, Dongyan Zhao, Rui Yan:

How does Truth Evolve into Fake News? An Empirical Study of Fake News Evolution. 407-411 - Xuanyu Zhang, Qing Yang, Dongliang Xu:

Combining Explicit Entity Graph with Implicit Text Information for News Recommendation. 412-416
1st International Workshop on Scientific Knowledge Representation, Discovery, and Assessment (Sci-K)
- Fabian Hoppe

, Danilo Dessì
, Harald Sack
:
Deep Learning meets Knowledge Graphs for Scholarly Data Classification. 417-421 - Angelika Romanou, Panayiotis Smeros, Karl Aberer:

On Representation Learning for Scientific News Articles Using Heterogeneous Knowledge Graphs. 422-425 - Sree Sai Teja Lanka, Sarah Michele Rajtmajer, Jian Wu, C. Lee Giles:

Extraction and Evaluation of Statistical Information from Social and Behavioral Science Papers. 426-430 - Johannes Frey, Sebastian Hellmann:

FAIR Linked Data - Towards a Linked Data Backbone for Users and Machines. 431-435 - Mehwish Alam

, Russa Biswas
, Yiyi Chen, Danilo Dessì, Genet Asefa Gesese
, Fabian Hoppe
, Harald Sack
:
HierClasSArt: Knowledge-Aware Hierarchical Classification of Scholarly Articles. 436-440 - Michael Färber

, Vinzenz Zinecker, Isabela Bragaglia Cartus, Sebastian Celis, Maria Duma:
C-Rex: A Comprehensive System for Recommending In-Text Citations with Explanations. 441-445 - Joachim Schöpfel, Otmane Azeroual

:
Rewarding Research Data Management. 446-450 - Yuanxi Fu

, Jodi Schneider
, Catherine Blake:
Finding Keystone Citations for Constructing Validity Chains among Research Papers. 451-455 - Thanasis Vergoulis

, Ilias Kanellos
, Claudio Atzori, Andrea Mannocci
, Serafeim Chatzopoulos
, Sandro La Bruzzo, Natalia Manola, Paolo Manghi
:
BIP! DB: A Dataset of Impact Measures for Scientific Publications. 456-460 - Peng Bao, Weihui Hong, Xuanya Li:

Predicting Paper Acceptance via Interpretable Decision Sets. 461-467 - Panagiotis Deligiannis, Thanasis Vergoulis

, Serafeim Chatzopoulos
, Christos Tryfonopoulos
:
Visualising Scientific Topic Evolution. 468-472
The 9th International Workshop on Natural Language Processing for Social Media (SocialNLP 2021)
- Xin Zheng, Aixin Sun

, Karthik Muthuswamy:
Tweet-aware News Summarization with Dual-Attention Mechanism. 473-480 - Maximilian Wich, Melissa Breitinger, Wienke Strathern, Marlena Naimarevic, Georg Groh, Jürgen Pfeffer:

Are Your Friends Also Haters? Identification of Hater Networks on Social Media: Data Paper. 481-485 - Rrubaa Panchendrarajan, Wynne Hsu, Mong-Li Lee:

Emotion-Aware Event Summarization in Microblogs. 486-494 - John Lee

, Baikun Liang:
Response Selection for a Virtual Counsellor. 495-499 - Zhixue Zhao

, Ziqi Zhang, Frank Hopfgartner
:
A Comparative Study of Using Pre-trained Language Models for Toxic Comment Classification. 500-507 - Sultan Alshamrani, Ahmed Abusnaina, Mohammed Abuhamad

, Daehun Nyang, David Mohaisen:
Hate, Obscenity, and Insults: Measuring the Exposure of Children to Inappropriate Comments in YouTube. 508-515 - Seema Nagar, Achintya Shankhdhar, Ferdous Ahmed Barbhuiya, Kuntal Dey:

Affect Classification in Tweets using Multitask Deep Neural Networks. 516-520
11th Temporal Web Analytics Workshop (TempWeb)
- Luka V. Petrovic, Ingo Scholtes:

PaCo: Fast Counting of Causal Paths in Temporal Network Data. 521-526 - Dmitri Goldenberg, Guy Tsype, Igor Spivak, Javier Albert, Amir Tzur:

Learning to Persist: Exploring the Tradeoff Between Model Optimization and Experience Consistency. 527-529 - Jürgen Hackl

, Ingo Scholtes, Luka V. Petrovic, Vincenzo Perri, Luca Verginer, Christoph Gote:
Analysis and Visualisation of Time Series Data on Networks with Pathpy. 530-532 - Vincenzo Perri, Ingo Scholtes:

Visualisation of Temporal Network Data via Time-Aware Static Representations with HOTVis. 533-534
8th Wiki Workshop
- Lucie-Aimée Kaffee, Hady Elsahar:

References in Wikipedia: The Editors' Perspective. 535-538 - Jérôme Hergueux, Yann Algan, Yochai Benkler, Mayo Fuster Morell

:
Do I Trust this Stranger? Generalized Trust and the Governance of Online Communities. 539-543 - Hiba Arnaout

, Simon Razniewski
, Gerhard Weikum, Jeff Z. Pan:
Negative Knowledge for Open-world Wikidata. 544-551 - Ankan Ghosh Dastider

:
A Brief Analysis of Bengali Wikipedia's Journey to 100, 000 Articles. 552-557 - Elad Vardi, Lev Muchnik, Alex Conway, Micha Breakstone:

WikiShark: An Online Tool for Analyzing Wikipedia Traffic and Trends. 558-571 - Amit Arjun Verma, Neeru Dubey, S. R. S. Iyengar, Simran Setia:

Tracing the Factoids: the Anatomy of Information Re-organization in Wikipedia Articles. 572-579 - Naser Ahmadi, Paolo Papotti

:
Wikidata Logical Rules and Where to Find Them. 580-581 - Toni Hermoso Pulido

:
Simple Wikidata Analysis for Tracking and Improving Biographies in Catalan Wikipedia. 582-583 - Anamika Chhabra, Shubham Srivastava, S. R. S. Iyengar, Poonam Saini:

Structural Analysis of Wikigraph to Investigate Quality Grades of Wikipedia Articles. 584-590 - David Semedo

:
Towards Open-domain Vision and Language Understanding with Wikimedia. 591-593 - Isaac Johnson, Martin Gerlach

, Diego Sáez-Trumper
:
Language-agnostic Topic Classification for Wikipedia. 594-601 - Philipp Scharpf, Moritz Schubotz, Bela Gipp:

Fast Linking of Mathematical Wikidata Entities in Wikipedia Articles Using Annotation Recommendation. 602-609 - John Samuel

:
ShExStatements: Simplifying Shape Expressions for Wikidata. 610-615 - Sebastian Brückner, Florian Lemmerich, Markus Strohmaier:

Inferring Sociodemographic Attributes of Wikipedia Editors: State-of-the-art and Implications for Editor Privacy. 616-622 - Oscar Araque, Lorenzo Gatti, Kyriaki Kalimeri:

The Language of Liberty: A preliminary study. 623-626 - Changwook Jung, Inho Hong, Diego Sáez-Trumper

, Damin Lee, Jaehyeon Myung, Danu Kim, Jinhyuk Yun, Woo-Sung Jung
, Meeyoung Cha
:
Information flow on COVID-19 over Wikipedia: A case study of 11 languages. 627-628 - Karthic Madanagopal, James Caverlee:

Towards Ongoing Detection of Linguistic Bias on Wikipedia. 629-631 - Khandaker Tasnim Huq

, Giovanni Luca Ciampaglia:
Characterizing Opinion Dynamics and Group Decision Making in Wikipedia Content Discussions. 632-639 - Luis Couto, Carla Teixeira Lopes

:
Assessing the quality of health-related Wikipedia articles with generic and specific metrics. 640-647
7th WebAndTheCity - Web Intelligence and Resilience in Smart Cities
- Nenad Petrovic

, Vlado Dimovski, Judita Peterlin, Maja Mesko, Vasja Roblek:
Data-Driven Solutions in Smart Cities: The case of Covid-19. 648-656 - Leonidas G. Anthopoulos, Christos Ziozias, Apostolos Siokis:

Shaping a Digital Transformation Strategy for Smart Cities under the COVID-19 pandemic: Evidence from Greece. 657-660 - Leonidas G. Anthopoulos, Dimitrios Tzimos

:
Carpooling Platforms in Smart Cities for COVID-19 Pandemic: A Bibliometric Analysis. 661-666
Demonstrations
- Shuang Peng, Minghui Yang

, Fudong Wang, Xiangyang Li, Zujie Wen, Lei Liu:
Insurance Assistant: An Intelligent Platform for Video Insurance Assessment. 667-668 - Evangelos Maliaroudakis, Katarina Boland, Stefan Dietze, Konstantin Todorov, Yannis Tzitzikas, Pavlos Fafalios

:
ClaimLinker: Linking Text to a Knowledge Graph of Fact-checked Claims. 669-672 - Dongjin Choi, Sara Evensen, Çagatay Demiralp, Estevam Hruschka:

TagRuler: Interactive Tool for Span-Level Data Programming by Demonstration. 673-677 - Mohamad Yaser Jaradeh, Kuldeep Singh, Markus Stocker

, Sören Auer
:
Plumber: A Modular Framework to Create Information Extraction Pipelines. 678-679 - Binbin Wang, Chaokun Wang, Hao Feng

:
FastSNG: The Fastest Social Network Dataset Generator. 680-684 - Golsa Heidari

, Ahmad Ramadan, Markus Stocker
, Sören Auer
:
Demonstration of Faceted Search on Scholarly Knowledge Graphs. 685-686 - Luc Rocher

, Meenatchi Sundaram Muthu Selva Annamalai, Yves-Alexandre de Montjoye:
The Observatory of Anonymity: An Interactive Tool to Understand Re-Identification Risks in 89 countries. 687-689 - Amit Kumar

, Govind, Marc Spaniol:
Semantic Search via Entity-Types: The SEMANNOREX Framework. 690-694 - Gertjan De Mulder

, Ben De Meester, Pieter Heyvaert, Ruben Taelman, Anastasia Dimou
, Ruben Verborgh:
PROV4ITDaTa: Transparent and direct transferof personal data to personal stores. 695-697 - Lucy McKenna, Junli Liang

, Natalia Duda, Nick McDonald, Rob Brennan
:
ARK-Virus: An ARK Platform Extension for Mindful Risk Governance of Personal Protective Equipment Use in Healthcare. 698-700 - Nampoina Andriamilanto, Tristan Allard

:
BrFAST: a Tool to Select Browser Fingerprinting Attributes for Web Authentication According to a Usability-Security Trade-off. 701-704 - Benno Kruit, Peter Boncz

, Jacopo Urbani
:
TAKCO: A Platform for Extracting Novel Facts from Tables. 705-707 - Tianyi Yang, Cuiyun Gao, Jingya Zang, David Lo

, Michael R. Lyu:
TOUR: Dynamic Topic and Sentiment Analysis of User Reviews for Assisting App Release. 708-712 - Kuan-Chieh Lo

, Shih-Chieh Dai, Aiping Xiong, Jing Jiang, Lun-Wei Ku:
Escape from An Echo Chamber. 713-716
PhD Summaries
- Teodora Petkova

:
Marketing Communications and the Semantic Web: Theoretical Intersections and Practical Implications. 717-718 - Yingting Li:

Counterfactual-Augmented Data for Multi-Hop Knowledge Base Question Answering. 719-720 - Jakob Jelencic:

Modeling Text Data Over Time - Example on Job Postings. 721-722 - Joze M. Rozanec:

Explainable Demand Forecasting: A Data Mining Goldmine. 723-724 - Mathias Zinnen

:
How to See Smells: Extracting Olfactory References from Artworks. 725-726

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