Universität Duisburg-Essen	Universität Duisburg-Essen	Research & Teaching assistant
	Wissenschaftlicher Mitarbeiter
	Name:	Dr. Ahmet Aker
	E-Mail:	aker@is.inf.uni-due.de
	Telefon:	+49 (0) 203 / 379 - 3401
	Raum:	LF 137

Beteiligt in Projekten

VACOS

Vage Text- und Faktenbedingungen für die Objektsuche

Dozent(in)

Studien-/Praxisprojekt: Information Nutrition Labeling for better IR - v3

Sommersemester 2019

Studien-/Praxisprojekt: Voice Queries in Product Search with Vague Conditions

Sommersemester 2019

Studien-/Praxisprojekt: Information Nutrition Labeling for better IR - v2

Wintersemester 2018/2019

Vorlesung: Information Mining

Wintersemester 2018/2019

Seminar: Vague Conditions in Object Search

Wintersemester 2018/2019

Studien-/Praxisprojekt: Information Nutrition Labeling for better IR

Sommersemester 2018

Vorlesung: Information Retrieval

Sommersemester 2018

Studien-/Praxisprojekt: Design and implementation of an intelligent annotation tool -- 2nd Project

Wintersemester 2017/2018

Studien-/Praxisprojekt: Design and implementation of an intelligent annotation tool

Sommersemester 2017

Seminar: Mining arguments from well-formed and user generated content in Social Media

Sommersemester 2017

Seminar: User-Generated Content in Social Media Vol.2

Wintersemester 2016

Übungsleiter(in)

Vorlesung: Information Retrieval

Sommersemester 2019

Vorlesung: Internet-Suchmaschinen

Sommersemester 2019

Vorlesung: Information Engineering

Wintersemester 2018/2019

Vorlesung: Information Mining

Wintersemester 2017/2018

Vorlesung: Information Retrieval

Sommersemester 2017

Vorlesung: Internet-Suchmaschinen

Sommersemester 2017

Vorlesung: Information Mining

Wintersemester 2016

Publikationen

Jorge Carrillo-de-Albornoz; Ahmet Aker; Emina Kurtic; Laura Plaza (2019).

Beyond opinion classification: Extracting facts, opinions and experiences from health forums. PloS one 14(1)

Inguna Skadina; Robert J. Gaizauskas; Bogdan Babych; Nikola Ljubesic; Dan Tufis; Andrejs Vasiljevs (Hrsg.) (2019).

Using Comparable Corpora for Under-Resourced Areas of Machine Translation. , Springer

Ahmet Aker; Alexandru Ceausu; Yang Feng; Robert J. Gaizauskas; Sabine Hunsicker; Radu Ion; Elena Irimia; Dan Stefanescu; Dan Tufis (2019).

Mapping and Aligning Units from Comparable Corpora. In Using Comparable Corpora for Under-Resourced Areas of Machine Translation,

Bogdan Babych; Fangzhong Su; Anthony Hartley; Ahmet Aker; Monica Lestari Paramita; Paul D. Clough; Robert J. Gaizauskas (2019).

Cross-Language Comparability and Its Applications for MT. In Using Comparable Corpora for Under-Resourced Areas of Machine Translation,

Judith Meinert; Ahmet Aker; Nicole Krämer (2019).

The Impact of Twitter Features on Credibility Ratings-An Explorative Examination Combining Psychological Measurements and Feature Based Selection Methods. In: Proceedings of the 52nd Hawaii International Conference on System Sciences

Meinert, Judith; Mirbabaie, Milad; Dungs, Sebastian; Aker, Ahmet (2018).

Is It Really Fake? -- Towards an Understanding of Fake News in Social Media Communication. In: Meiselwitz, Gabriele (Hrsg.): Social Computing and Social Media. User Experience and Behavior. Springer International Publishing, Cham.

Aker, Ahmet; Fuhr, Norbert (2018).

The Information Retrieval Group at the University of Duisburg-Essen. Datenbank-Spektrum

Sebastian Dungs; Ahmet Aker; Norbert Fuhr; Kalina Bontcheva (2018).

Can Rumour Stance Alone Predict Veracity?. In: Proceedings of the 27th International Conference on Computational Linguistics, Association for Computational Linguistics

Jan Kowollik; Ahmet Aker (2018).

Uni-DUE Student Team: Tackling fact checking through decomposable attention neural network. In: Proceedings of the First Workshop on Fact Extraction and VERification (FEVER)

Elena Lloret; Laura Plaza; Ahmet Aker (2018).

The challenging task of summary evaluation: an overview. Language Resources and Evaluation 52(1)

Razan Masood; Ahmet Aker (2018).

The Fake News Challenge: Stance Detection using Traditional Machine Learning Approaches. In: Proceedings of the 10th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management - Volume 3: KMIS, INSTICC, SciTePress

Michael Rist; Ahmet Aker; Norbert Fuhr (2018).

Towards Making Sense of Online Reviews Based on Statement Extraction. In: Proc. 7th International Conference on Natural Language Processing (NLP 2018)

Firas Sabbah; Ahmet Aker (2018).

Creating Comparable Corpora through Topic Mappings. In: Proceedings of the Eleventh International Conference on Language Resources and Evaluation (LREC 2018), European Language Resources Association (ELRA)

Alfred Sliwa; Yuan Man; Ruishen Liu; Niravkumar Borad; Seyedeh Ziyaei; Mina Ghobadi; Firas Sabbah; Ahmet Aker (2018).

Multi-lingual Argumentative Corpora in English, Turkish, Greek, Albanian, Croatian, Serbian, Macedonian, Bulgarian, Romanian and Arabic. In: Proceedings of the Eleventh International Conference on Language Resources and Evaluation (LREC 2018). European Language Resources Association (ELRA), Miyazaki, Japan.

Kevin Vincentius; Piyush Aggarwal; Ali Sahan; Birte Högden; N Madan; Anusha Bangaru; Claudia Schwenger; Farid Muradov; Ahmet Aker (2018).

Information Nutrition Labels : A Plugin for Online News Evaluation. In: Proceedings of the First Workshop on Fact Extractionand VERification (FEVER)

Arkaitz Zubiaga; Ahmet Aker; Kalina Bontcheva; Maria Liakata; Rob Procter (2018).

Detection and resolution of rumours in social media: A survey. ACM Computing Surveys (CSUR) 51(2)

Aker, Ahmet; Petrak, Johann; Sabbah, Firas (2017).

An Extensible Multilingual Open Source Lemmatizer. In: Proceedings of the International Conference Recent Advances in Natural Language Processing, RANLP 2017

Ahmet Aker; Emina Kurtic; A. R. Balamurali; Monica Lestari Paramita; Emma Barker; Mark Hepple; Robert J. Gaizauskas (2016).

A Graph-Based Approach to Topic Clustering for Online Comments to News. In: Advances in Information Retrieval - 38th European Conference on IR Research, ECIR 2016, Padua, Italy, March 20-23, 2016. Proceedings9626 of Lecture Notes in Computer Science, Springer

Ahmet Aker; Monica Lestari Paramita; Emina Kurtic; Adam Funk; Emma Barker; Mark Hepple; Robert J. Gaizauskas (2016).

Automatic label generation for news comment clusters. In: INLG 2016 - Proceedings of the Ninth International Natural Language Generation Conference, September 5-8, 2016, Edinburgh, UK, The Association for Computer Linguistics

Murad Abouammoh; Kashif Shah; Ahmet Aker (2016).

Creation of comparable corpora for English-Urdu, Arabic, Persian. In: Proceedings of the Tenth International Conference on Language Resources and Evaluation LREC 2016, Portoro\vz, Slovenia, May 23-28, 2016., European Language Resources Association (ELRA)

Emma Barker; Monica Lestari Paramita; Adam Funk; Emina Kurtic; Ahmet Aker; Jonathan Foster; Mark Hepple; Robert J. Gaizauskas (2016).

What's the Issue Here?: Task-based Evaluation of Reader Comment Summarization Systems. In: Proceedings of the Tenth International Conference on Language Resources and Evaluation LREC 2016, Portoro\vz, Slovenia, May 23-28, 2016., European Language Resources Association (ELRA)

Ahmet Aker; Fr\'ed\'eric Blain; Andr\'es Duque; Marina Fomicheva; Jurica Seva; Kashif Shah; Daniel Beck (2016).

USFD at SemEval-2016 Task 1: Putting different State-of-the-Arts into a Box. In: Proceedings of the 10th International Workshop on Semantic Evaluation, SemEval@NAACL-HLT 2016, San Diego, CA, USA, June 16-17, 2016, The Association for Computer Linguistics

Emma Barker; Monica Lestari Paramita; Ahmet Aker; Emina Kurtic; Mark Hepple; Robert J. Gaizauskas (2016).

The SENSEI Annotated Corpus: Human Summaries of Reader Comment Conversations in On-line News. In: Proceedings of the SIGDIAL 2016 Conference, The 17th Annual Meeting of the Special Interest Group on Discourse and Dialogue, 13-15 September 2016, Los Angeles, CA, USA, The Association for Computer Linguistics

Nattapong Sanchan; Kalina Bontcheva; Ahmet Aker (2016).

Understanding Human Preferences for Summary Designs in Online Debates Domain. Polibits 54

Ahmet Aker; Emina Kurtic; Mark Hepple; Robert J. Gaizauskas; Giuseppe Di Fabbrizio (2015).

Comment-to-Article Linking in the Online News Domain. In: Proceedings of the SIGDIAL 2015 Conference, The 16th Annual Meeting of the Special Interest Group on Discourse and Dialogue, 2-4 September 2015, Prague, Czech Republic, The Association for Computer Linguistics

Ahmet Aker; Robert J. Gaizauskas (2015).

Generating descriptive multi-document summaries of geo-located entities using entity type models. JASIST 66(4)

Ahmet Aker; Monica Lestari Paramita; Emma Barker; Robert J. Gaizauskas (2014).

Bootstrapping Term Extractors for Multiple Languages. In: Proceedings of the Ninth International Conference on Language Resources and Evaluation, LREC 2014, Reykjavik, Iceland, May 26-31, 2014., European Language Resources Association (ELRA)

Ahmet Aker; Monica Lestari Paramita; Marcis Pinnis; Robert J. Gaizauskas (2014).

Bilingual dictionaries for all EU languages. In: Proceedings of the Ninth International Conference on Language Resources and Evaluation, LREC 2014, Reykjavik, Iceland, May 26-31, 2014., European Language Resources Association (ELRA)

Ahmet Aker (2014).

Entity type modeling for multi-document summarization : generating descriptive summaries of geo-located entities. PhD thesis

Ahmet Aker; Monica Lestari Paramita; Robert J. Gaizauskas (2013).

Extracting bilingual terminologies from comparable corpora. In: Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics, ACL 2013, 4-9 August 2013, Sofia, Bulgaria, Volume 1: Long Papers, The Association for Computer Linguistics

Giuseppe Di Fabbrizio; Ahmet Aker; Robert J. Gaizauskas (2013).

Summarizing Online Reviews Using Aspect Rating Distributions and Language Modeling. IEEE Intelligent Systems 28(3)

Ahmet Aker; Laura Plaza; Elena Lloret; Robert J. Gaizauskas (2013).

Do humans have conceptual models about geographic objects? A user study. JASIST 64(4)

Elena Lloret; Laura Plaza; Ahmet Aker (2013).

Analyzing the capabilities of crowdsourcing services for text summarization. Language Resources and Evaluation 47(2)

Ahmet Aker; Yang Feng; Robert J. Gaizauskas (2012).

Automatic Bilingual Phrase Extraction from Comparable Corpora. In: COLING 2012, 24th International Conference on Computational Linguistics, Proceedings of the Conference: Posters, 8-15 December 2012, Mumbai, India, Indian Institute of Technology Bombay

Ahmet Aker; Xin Fan; Mark Sanderson; Robert J. Gaizauskas (2012).

Investigating Summarization Techniques for Geo-Tagged Image Indexing. In: Advances in Information Retrieval - 34th European Conference on IR Research, ECIR 2012, Barcelona, Spain, April 1-5, 2012. Proceedings7224 of Lecture Notes in Computer Science, Springer

Ahmet Aker; Mahmoud El-Haj; M-Dyaa Albakour; Udo Kruschwitz (2012).

Assessing Crowdsourcing Quality through Objective Tasks. In: Proceedings of the Eighth International Conference on Language Resources and Evaluation, LREC 2012, Istanbul, Turkey, May 23-25, 2012, European Language Resources Association (ELRA)

Ahmet Aker; Evangelos Kanoulas; Robert J. Gaizauskas (2012).

A light way to collect comparable corpora from the Web. In: Proceedings of the Eighth International Conference on Language Resources and Evaluation, LREC 2012, Istanbul, Turkey, May 23-25, 2012, European Language Resources Association (ELRA)

Emina Kurtic; Bill Wells; Guy J. Brown; Timothy Kempton; Ahmet Aker (2012).

A Corpus of Spontaneous Multi-party Conversation in Bosnian Serbo-Croatian and British English. In: Proceedings of the Eighth International Conference on Language Resources and Evaluation, LREC 2012, Istanbul, Turkey, May 23-25, 2012, European Language Resources Association (ELRA)

Monica Lestari Paramita; Paul D. Clough; Ahmet Aker; Robert J. Gaizauskas (2012).

Correlation between Similarity Measures for Inter-Language Linked Wikipedia Articles. In: Proceedings of the Eighth International Conference on Language Resources and Evaluation, LREC 2012, Istanbul, Turkey, May 23-25, 2012, European Language Resources Association (ELRA)

Inguna Skadina; Ahmet Aker; Nikos Mastropavlos; Fangzhong Su; Dan Tufis; Mateja Verlic; Andrejs Vasiljevs; Bogdan Babych; Paul D. Clough; Robert J. Gaizauskas; Nikos Glaros; Monica Lestari Paramita; Marcis Pinnis (2012).

Collecting and Using Comparable Corpora for Statistical Machine Translation. In: Proceedings of the Eighth International Conference on Language Resources and Evaluation, LREC 2012, Istanbul, Turkey, May 23-25, 2012, European Language Resources Association (ELRA)

Ahmet Aker; Trevor Cohn; Robert J. Gaizauskas (2012).

Redundancy reduction for multi-document summaries using A* search and discriminative training. In: Proceedings of the 2nd International Workshop on Exploiting Large Knowledge Repositories, Castell\'on de la Plana, Spain, September 7, 2012882 of CEUR Workshop Proceedings, CEUR-WS.org

Ahmet Aker; Robert J. Gaizauskas (2011).

Understanding the types of information humans associate with geographic objects. In: Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011, ACM

Giuseppe Di Fabbrizio; Ahmet Aker; Robert J. Gaizauskas (2011).

STARLET: Multi-document Summarization of Service and Product Reviews with Balanced Rating Distributions. In: Data Mining Workshops (ICDMW), 2011 IEEE 11th International Conference on, Vancouver, BC, Canada, December 11, 2011, IEEE Computer Society

Elena Lloret; Laura Plaza; Ahmet Aker (2011).

Multi-Document Summarization by Capturing the Information Users are Interested in. In: Recent Advances in Natural Language Processing, RANLP 2011, 12-14 September, 2011, Hissar, Bulgaria, RANLP 2011 Organising Committee

Ahmet Aker; Robert J. Gaizauskas (2010).

Generating Image Descriptions Using Dependency Relational Patterns. In: ACL 2010, Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics, July 11-16, 2010, Uppsala, Sweden, The Association for Computer Linguistics

Ahmet Aker; Trevor Cohn; Robert J. Gaizauskas (2010).

Multi-Document Summarization Using A* Search and Discriminative Learning. In: Proceedings of the 2010 Conference on Empirical Methods in Natural Language Processing, EMNLP 2010, 9-11 October 2010, MIT Stata Center, Massachusetts, USA, A meeting of SIGDAT, a Special Interest Group of the ACL, ACL

Inguna Skadina; Ahmet Aker; Voula Giouli; Dan Tufis; Robert J. Gaizauskas; Madara Mierina; Nikos Mastropavlos (2010).

A Collection of Comparable Corpora for Under-resourced Languages. In: Human Language Technologies - The Baltic Perspective - Proceedings of the Fourth International Conference Baltic HLT 2010, Riga, Latvia, October 7-8, 2010219 of Frontiers in Artificial Intelligence and Applications, IOS Press

Ahmet Aker; Robert J. Gaizauskas (2010).

Model Summaries for Location-related Images. In: Proceedings of the International Conference on Language Resources and Evaluation, LREC 2010, 17-23 May 2010, Valletta, Malta, European Language Resources Association

Xin Fan; Ahmet Aker; Martin Tomko; Philip Smart; Mark Sanderson; Robert J. Gaizauskas (2010).

Automatic image captioning from the web for GPS photographs. In: Proceedings of the 11th ACM SIGMM International Conference on Multimedia Information Retrieval, MIR 2010, Philadelphia, Pennsylvania, USA, March 29-31, 2010, ACM

Laura Plaza; Elena Lloret; Ahmet Aker (2010).

Improving Automatic Image Captioning Using Text Summarization Techniques. In: Text, Speech and Dialogue, 13th International Conference, TSD 2010, Brno, Czech Republic, September 6-10, 2010. Proceedings6231 of Lecture Notes in Computer Science, Springer

Ahmet Aker; Robert J. Gaizauskas (2009).

Summary Generation for Toponym-referenced Images using Object Type Language Models. In: Recent Advances in Natural Language Processing, RANLP 2009, 14-16 September, 2009, Borovets, Bulgaria, RANLP 2009 Organising Committee / ACL

Diplom-, Master- und Bachelorarbeiten

Determining comments worthy to read.

Reservierte Masterarbeit

Developing an Easy to Use Social Media Analysis Tool

Reservierte Masterarbeit

Is this Tweet Bad or Good News?

Reservierte Masterarbeit

Determining Filter Bubbles in Twitter

Reservierte Masterarbeit

Clustering of Tweets according to Topic

Reservierte Masterarbeit

Topic focused Argument Mining

Abgeschlossene Masterarbeit

Argument clustering

Abgeschlossene Masterarbeit

Clustering online reviews

Abgeschlossene Masterarbeit

Labeling review clusters

Abgeschlossene Masterarbeit

Towards multi-lingual argument mining: Comparable passage extraction from comparable corpora.

Abgeschlossene Masterarbeit

Towards multi-lingual argument mining: Creating multi-lingual comparable corpora.

Abgeschlossene Masterarbeit

Towards Fake News Detection

Abgeschlossene Masterarbeit

Fake News Detection Through Information Nutrition Extraction.

Abgeschlossene Masterarbeit

Towards Fake News Detection based on Information Nutrition Labels.

Abgeschlossene Masterarbeit

Fact Verification using Large Textual Sources.

Abgeschlossene Masterarbeit