Matthias Hagen

Orcid: 0000-0002-9733-2890

Affiliations:
  • Friedrich-Schiller-Universität Jena, Institut für Informatik, Germany
  • Martin Luther University of Halle-Wittenberg, Institute of Computer Science, Germany (former)
  • Bauhaus-Universität Weimar, Germany (former)
  • Universität Kassel, Germany (former)


According to our database1, Matthias Hagen authored at least 251 papers between 2005 and 2024.

Collaborative distances:

Timeline

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Bibliography

2024
Task-Oriented Paraphrase Analytics.
Dataset, May, 2024

Who Determines What Is Relevant? Humans or AI? Why Not Both?
Commun. ACM, April, 2024

webis-de/WWW-24: Release 0.1.0.
Dataset, March, 2024

Webis Generated Native Ads 2024.
Dataset, March, 2024

Webis-Follow-Up-Questions-24.
Dataset, February, 2024

Webis-Follow-Up-Questions-24.
Dataset, February, 2024

A Systematic Investigation of Distilling Large Language Models into Cross-Encoders for Passage Re-ranking.
CoRR, 2024

Set-Encoder: Permutation-Invariant Inter-Passage Attention for Listwise Passage Re-Ranking with Cross-Encoders.
CoRR, 2024

Detecting Generated Native Ads in Conversational Search.
Proceedings of the Companion Proceedings of the ACM on Web Conference 2024, 2024

Embedding-based Query Spelling Correction.
Proceedings of the first International Workshop on Open Web Search co-located with the 46th European Conference on Information Retrieval ECIR 2024, 2024

A Mastodon Corpus to Evaluate Federated Microblog Search.
Proceedings of the first International Workshop on Open Web Search co-located with the 46th European Conference on Information Retrieval ECIR 2024, 2024

Systematic Evaluation of Neural Retrieval Models on the Touché 2020 Argument Retrieval Subset of BEIR.
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2024

Evaluating Generative Ad Hoc Information Retrieval.
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2024

Resources for Combining Teaching and Research in Information Retrieval Coursework.
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2024

Extending the Comparative Argumentative Machine: Multilingualism and Stance Detection.
Proceedings of the Robust Argumentation Machines - First International Conference, 2024

The Information Retrieval Experiment Platform (Extended Abstract).
Proceedings of the Thirty-Third International Joint Conference on Artificial Intelligence, 2024

Investigating the Effects of Sparse Attention on Cross-Encoders.
Proceedings of the Advances in Information Retrieval, 2024

Analyzing Adversarial Attacks on Sequence-to-Sequence Relevance Models.
Proceedings of the Advances in Information Retrieval, 2024

Simulating Follow-Up Questions in Conversational Search.
Proceedings of the Advances in Information Retrieval, 2024

The Open Web Index - Crawling and Indexing the Web for Public Use.
Proceedings of the Advances in Information Retrieval, 2024

Task-Oriented Paraphrase Analytics.
Proceedings of the 2024 Joint International Conference on Computational Linguistics, 2024

MiBi at BioASQ 2024: Retrieval-Augmented Generation for Answering Biomedical Questions.
Proceedings of the Working Notes of the Conference and Labs of the Evaluation Forum (CLEF 2024), 2024

Who Will Evaluate the Evaluators? Exploring the Gen-IR User Simulation Space.
Proceedings of the Experimental IR Meets Multilinguality, Multimodality, and Interaction, 2024

Team OpenWebSearch at CLEF 2024: QuantumCLEF.
Proceedings of the Working Notes of the Conference and Labs of the Evaluation Forum (CLEF 2024), 2024

Team OpenWebSearch at CLEF 2024: LongEval.
Proceedings of the Working Notes of the Conference and Labs of the Evaluation Forum (CLEF 2024), 2024

A User Study on the Acceptance of Native Advertising in Generative IR.
Proceedings of the 2024 ACM SIGIR Conference on Human Information Interaction and Retrieval, 2024

2023
Task-Oriented Paraphrase Analytics.
Dataset, October, 2023

Touché23-Evidence-Retrieval-for-Causal-Questions.
Dataset, August, 2023


CIKM-21-Misbeliefs-and-Biases-in-Health-Related-Searches.
Dataset, August, 2023

ChatNoir Resiliparse.
Dataset, August, 2023

Touché23-Argument-Retrieval-for-Controversial-Questions.
Dataset, July, 2023

Report on the Dagstuhl Seminar on Frontiers of Information Access Experimentation for Research and Education.
SIGIR Forum, June, 2023

Webis Wikipedia-IPC.
Dataset, February, 2023

Beyond the Imitation Game: Quantifying and extrapolating the capabilities of language models.
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Trans. Mach. Learn. Res., 2023

Commercialized Generative AI: A Critical Study of the Feasibility and Ethics of Generating Native Advertising Using Large Language Models in Conversational Web Search.
CoRR, 2023

Webis at TREC 2023: Tip-of-the-Tongue track.
Proceedings of the Thirty-Second Text REtrieval Conference Proceedings (TREC 2023), 2023

The Archive Query Log: Mining Millions of Search Result Pages of Hundreds of Search Engines from 25 Years of Web Archives.
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2023

The Information Retrieval Experiment Platform.
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2023

SemEval-2023 Task 5: Clickbait Spoiling.
Proceedings of the The 17th International Workshop on Semantic Evaluation, 2023

The Information Retrieval Experiment Platform.
Proceedings of the Lernen, 2023

Perspectives on Large Language Models for Relevance Judgment.
Proceedings of the 2023 ACM SIGIR International Conference on Theory of Information Retrieval, 2023

Continuous Integration for Reproducible Shared Tasks with TIRA.io.
Proceedings of the Advances in Information Retrieval, 2023

A Large-Scale Dataset for Known-Item Question Performance Prediction.
Proceedings of the The QPP++ 2023: Query Performance Prediction and Its Evaluation in New Tasks Workshop co-located with The 45th European Conference on Information Retrieval ( ECIR), 2023

Bootstrapped nDCG Estimation in the Presence of Unjudged Documents.
Proceedings of the Advances in Information Retrieval, 2023

Overview of Touché 2023: Argument and Causal Retrieval - Extended Abstract.
Proceedings of the Advances in Information Retrieval, 2023

Paraphrase Acquisition from Image Captions.
Proceedings of the 17th Conference of the European Chapter of the Association for Computational Linguistics, 2023

Overview of Touché 2023: Argument and Causal Retrieval.
Proceedings of the Working Notes of the Conference and Labs of the Evaluation Forum (CLEF 2023), 2023

Stance-Aware Re-Ranking for Non-factual Comparative Queries.
Proceedings of the 10th Workshop on Argument Mining, 2023

Shared Tasks as Tutorials: A Methodical Approach.
Proceedings of the Thirty-Seventh AAAI Conference on Artificial Intelligence, 2023

2022


Webis Health CauseNet 2022.
Dataset, September, 2022

Webis Clickbait Spoiling Corpus 2022.
Dataset, March, 2022

Webis Clickbait Spoiling Corpus 2022.
Dataset, March, 2022

Webis Comparative Questions 2022.
Dataset, February, 2022

Webis Query Interpretation Corpus 2022 (Webis-QInC-22).
Dataset, January, 2022

Webis Query Interpretation Corpus 2022 (Webis-QInC-22).
Dataset, January, 2022

Webis Query Interpretation Corpus 2022 (Webis-QInC-22).
Dataset, January, 2022

Webis-MS-MARCO-Anchor-Texts-22.
Dataset, January, 2022

Query Interpretations from Entity-Linked Segmentations.
Proceedings of the WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21, 2022

Towards Understanding and Answering Comparative Questions.
Proceedings of the WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21, 2022

Webis at TREC 2022: Deep Learning and Health Misinformation.
Proceedings of the Thirty-First Text REtrieval Conference, 2022

How Train-Test Leakage Affects Zero-Shot Retrieval.
Proceedings of the String Processing and Information Retrieval, 2022

Axiomatic Retrieval Experimentation with ir_axioms.
Proceedings of the SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11, 2022

Sparse Pairwise Re-ranking with Pre-trained Transformers.
Proceedings of the ICTIR '22: The 2022 ACM SIGIR International Conference on the Theory of Information Retrieval, Madrid, Spain, July 11, 2022

Exploring LSTMs for Simulating Search Sessions in Digital Libraries.
Proceedings of the Linking Theory and Practice of Digital Libraries, 2022

City of Disguise: A Query Obfuscation Game on the ClueWeb.
Proceedings of the Advances in Information Retrieval, 2022

The Power of Anchor Text in the Neural Retrieval Era.
Proceedings of the Advances in Information Retrieval, 2022

Using Keyqueries to Reduce Misinformation in Health-Related Search Results.
Proceedings of the 2nd Workshop Reducing Online Misinformation through Credible Information Retrieval 2022 co-located with The 44th European Conference on Information Retrieval (ECIR 2022), 2022

Overview of Touché 2022: Argument Retrieval - Extended Abstract.
Proceedings of the Advances in Information Retrieval, 2022

Mining Health-related Cause-Effect Statements with High Precision at Large Scale.
Proceedings of the 29th International Conference on Computational Linguistics, 2022

CausalQA: A Benchmark for Causal Question Answering.
Proceedings of the 29th International Conference on Computational Linguistics, 2022

Noise-Reduction for Automatically Transferred Relevance Judgments.
Proceedings of the Experimental IR Meets Multilinguality, Multimodality, and Interaction, 2022

Overview of Touché 2022: Argument Retrieval.
Proceedings of the Working Notes of CLEF 2022 - Conference and Labs of the Evaluation Forum, Bologna, Italy, September 5th - to, 2022

The SimIIR 2.0 Framework: User Types, Markov Model-Based Interaction Simulation, and Advanced Query Generation.
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, 2022

A User Study on Clarifying Comparative Questions.
Proceedings of the CHIIR '22: ACM SIGIR Conference on Human Information Interaction and Retrieval, Regensburg, Germany, March 14, 2022

Clickbait Spoiling via Question Answering and Passage Retrieval.
Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), 2022

2021
Touché22-Argument-Retrieval-for-Controversial-Questions.
Dataset, November, 2021

Touché22-Argument-Retrieval-for-Controversial-Questions.
Dataset, November, 2021

Touché21-Argument-Retrieval-for-Controversial-Questions.
Dataset, November, 2021

Touché21-Argument-Retrieval-for-Controversial-Questions.
Dataset, November, 2021

Touché22-Argument-Retrieval-for-Comparative-Questions.
Dataset, November, 2021

Touché22-Argument-Retrieval-for-Comparative-Questions.
Dataset, November, 2021

Webis-Conversational-Query-Reformulations-21.
Dataset, August, 2021

Conversational-Query-Reformulations-21.
Dataset, June, 2021

The information retrieval anthology 2021: inaugural status report and challenges ahead.
SIGIR Forum, 2021

Predicting essay quality from search and writing behavior.
J. Assoc. Inf. Sci. Technol., 2021

Argumentation technology.
it Inf. Technol., 2021

The Impact of Main Content Extraction on Near-Duplicate Detection.
CoRR, 2021

Entity-Based Query Interpretation.
CoRR, 2021

Efficient Query Obfuscation with Keyqueries.
Proceedings of the WI-IAT '21: IEEE/WIC/ACM International Conference on Web Intelligence, Melbourne VIC Australia, December 14, 2021

Webis at TREC 2021: Deep Learning, Health Misinformation, and Podcasts Tracks.
Proceedings of the Thirtieth Text REtrieval Conference, 2021

The Information Retrieval Anthology.
Proceedings of the SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2021

CopyCat: Near-Duplicates Within and Between the ClueWeb and the Common Crawl.
Proceedings of the SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2021

Identifying Queries in Instant Search Logs.
Proceedings of the SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2021

Towards Axiomatic Explanations for Neural Ranking Models.
Proceedings of the ICTIR '21: The 2021 ACM SIGIR International Conference on the Theory of Information Retrieval, 2021

Overview of Touché 2021: Argument Retrieval - Extended Abstract.
Proceedings of the Advances in Information Retrieval, 2021

Toward Conversational Query Reformulation.
Proceedings of the Second International Conference on Design of Experimental Search & Information REtrieval Systems, 2021

Overview of Touché 2021: Argument Retrieval.
Proceedings of the Experimental IR Meets Multilinguality, Multimodality, and Interaction, 2021

Learning to Rank Arguments with Feature Selection.
Proceedings of the Working Notes of CLEF 2021 - Conference and Labs of the Evaluation Forum, Bucharest, Romania, September 21st - to, 2021

Misbeliefs and Biases in Health-Related Searches.
Proceedings of the CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1, 2021

2020

Touché20-Argument-Retrieval-for-Controversial-Questions.
Dataset, September, 2020

Touché20-Argument-Retrieval-for-Controversial-Questions.
Dataset, September, 2020

Touché20-Argument-Retrieval-for-Controversial-Questions.
Dataset, September, 2020

Touché20-Argument-Retrieval-for-Comparative-Questions.
Dataset, September, 2020

Touché20-Argument-Retrieval-for-Comparative-Questions.
Dataset, September, 2020

Webis Argument Quality Corpus 2020 (Webis-ArgQuality-20).
Dataset, May, 2020


Webis Abstractive Snippet Corpus 2020.
Dataset, February, 2020


The dilemma of the direct answer.
SIGIR Forum, 2020

Dagstuhl seminar 19461 on conversational search: seminar goals and working group outcomes.
SIGIR Forum, 2020

On divergence-based author obfuscation: An attack on the state of the art in statistical authorship verification.
it Inf. Technol., 2020

Answering Comparative Questions with Arguments.
Datenbank-Spektrum, 2020

The Importance of Suppressing Domain Style in Authorship Analysis.
CoRR, 2020

Conversational Search - A Report from Dagstuhl Seminar 19461.
CoRR, 2020

Common Conversational Community Prototype: Scholarly Conversational Assistant.
CoRR, 2020

Abstractive Snippet Generation.
Proceedings of the WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020, 2020

Comparative Web Search Questions.
Proceedings of the WSDM '20: The Thirteenth ACM International Conference on Web Search and Data Mining, 2020

Webis at TREC 2020: Health Misinformation Track Extended Abstract.
Proceedings of the Twenty-Ninth Text REtrieval Conference, 2020

Sampling Bias Due to Near-Duplicates in Learning to Rank.
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, 2020

Task Proposal: Abstractive Snippet Generation for Web Pages.
Proceedings of the 13th International Conference on Natural Language Generation, 2020

Web Archive Analytics.
Proceedings of the 50. Jahrestagung der Gesellschaft für Informatik, INFORMATIK 2020 - Back to the Future, Karlsruhe, Germany, 28. September, 2020

A Search Engine for Police Press Releases to Double-Check the News.
Proceedings of the Advances in Information Retrieval, 2020

The Effect of Content-Equivalent Near-Duplicates on the Evaluation of Search Engines.
Proceedings of the Advances in Information Retrieval, 2020

Touché: First Shared Task on Argument Retrieval.
Proceedings of the Advances in Information Retrieval, 2020

Overview of Touché 2020: Argument Retrieval.
Proceedings of the Working Notes of CLEF 2020, 2020

Overview of Touché 2020: Argument Retrieval - Extended Abstract.
Proceedings of the Experimental IR Meets Multilinguality, Multimodality, and Interaction, 2020

The Impact of Negative Relevance Judgments on NDCG.
Proceedings of the CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, 2020

Estimating Topic Difficulty Using Normalized Discounted Cumulated Gain.
Proceedings of the CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, 2020

Efficient Pairwise Annotation of Argument Quality.
Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics, 2020

2019

Webis Query-Task-Mapping Corpus 2019 (Webis-QTM-19).
Dataset, May, 2019

Modeling the usefulness of search results as measured by information use.
Inf. Process. Manag., 2019

Webis at TREC 2019: Decision Track.
Proceedings of the Twenty-Eighth Text REtrieval Conference, 2019

Query-Task Mapping.
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, 2019

Argument Search: Assessing Argument Relevance.
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, 2019

Generalizing Unmasking for Short Texts.
Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, 2019

Data Acquisition for Argument Search: The args.me Corpus.
Proceedings of the KI 2019: Advances in Artificial Intelligence, 2019

Wikipedia Text Reuse: Within and Without.
Proceedings of the Advances in Information Retrieval, 2019

Answering Comparative Questions: Better than Ten-Blue-Links?
Proceedings of the 2019 Conference on Human Information Interaction and Retrieval, 2019

Clarifying False Memories in Voice-based Search.
Proceedings of the 2019 Conference on Human Information Interaction and Retrieval, 2019

Categorizing Comparative Sentences.
Proceedings of the 6th Workshop on Argument Mining, ArgMining@ACL 2019, Florence, Italy, 2019

ACQuA at Same Side Stance Classification 2019.
Proceedings of the Same Side Stance Classification Shared Task organized as a part of the 6th Workshop on Argument Mining (ArgMining 2019) and co-located with the the 57th Annual Meeting of the Association for Computational Linguistics (ACL19), 2019

TARGER: Neural Argument Mining at Your Fingertips.
Proceedings of the 57th Conference of the Association for Computational Linguistics, 2019

Heuristic Authorship Obfuscation.
Proceedings of the 57th Conference of the Association for Computational Linguistics, 2019

Bias Analysis and Mitigation in the Evaluation of Authorship Verification.
Proceedings of the 57th Conference of the Association for Computational Linguistics, 2019

2018


Webis Wikipedia Text Reuse Corpus 2018 (Webis-Wikipedia-Text-Reuse-18).
Dataset, July, 2018

Webis Wikipedia Text Reuse Corpus 2018 (Webis-Wikipedia-Text-Reuse-18).
Dataset, July, 2018



Weblog Analysis.
Proceedings of the Encyclopedia of Social Network Analysis and Mining, 2nd Edition, 2018

Reproducible Web Corpora: Interactive Archiving with Automatic Quality Assessment.
ACM J. Data Inf. Qual., 2018

The Clickbait Challenge 2017: Towards a Regression Model for Clickbait Strength.
CoRR, 2018

Heuristic Feature Selection for Clickbait Detection.
CoRR, 2018

Webis at TREC 2018: Common Core Track.
Proceedings of the Twenty-Seventh Text REtrieval Conference, 2018

Toward Voice Query Clarification.
Proceedings of the 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, 2018

A User Study on Snippet Generation: Text Reuse vs. Paraphrases.
Proceedings of the 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, 2018

Predicting Retrieval Success Based on Information Use for Writing Tasks.
Proceedings of the Digital Libraries for Open Knowledge, 2018

Cross-Reading News.
Proceedings of the Second International Workshop on Recent Trends in News Information Retrieval co-located with 40th European Conference on Information Retrieval (ECIR 2018), 2018

A Plan for Ancillary Copyright: Original Snippets.
Proceedings of the Second International Workshop on Recent Trends in News Information Retrieval co-located with 40th European Conference on Information Retrieval (ECIR 2018), 2018

Elastic ChatNoir: Search Engine for the ClueWeb and the Common Crawl.
Proceedings of the Advances in Information Retrieval, 2018

WASP: Web Archiving and Search Personalized.
Proceedings of the First Biennial Conference on Design of Experimental Search & Information Retrieval Systems, 2018

Crowdsourcing a Large Corpus of Clickbait on Twitter.
Proceedings of the 27th International Conference on Computational Linguistics, 2018

Overview of the Author Obfuscation Task at PAN 2018: A New Approach to Measuring Safety.
Proceedings of the Working Notes of CLEF 2018, 2018

Modeling Deliberative Argumentation Strategies on Wikipedia.
Proceedings of the 56th Annual Meeting of the Association for Computational Linguistics, 2018

2017
Webis-Web-Archive-17.
Dataset, October, 2017

Webis-Web-Archive-17.
Dataset, October, 2017

Webis-Web-Archive-17.
Dataset, October, 2017

Webis Query Spelling Corpus 2017 (Webis-QSpell-17).
Dataset, August, 2017

Webis Query Spelling Corpus 2017 (Webis-QSpell-17).
Dataset, August, 2017

Webis at TREC 2017: Open Search and Core Tracks.
Proceedings of The Twenty-Sixth Text REtrieval Conference, 2017

A Large-Scale Query Spelling Correction Corpus.
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2017

Spatio-Temporal Analysis of Reverted Wikipedia Edits.
Proceedings of the Eleventh International Conference on Web and Social Media, 2017

Patterns of Argumentation Strategies across Topics.
Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing, 2017

Overview of the Author Obfuscation Task at PAN 2017: Safety Evaluation Revisited.
Proceedings of the Working Notes of CLEF 2017, 2017

Webis at the CLEF 2017 Dynamic Search Lab.
Proceedings of the Working Notes of CLEF 2017, 2017

Source Retrieval for Web-Scale Text Reuse Detection.
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, 2017

2016

Webis Clickbait Corpus 2016 (Webis-Clickbait-16).
Dataset, March, 2016


Editorial.
Datenbank-Spektrum, 2016

Webis at TREC 2016: Tasks, Total Recall, and Open Search Tracks.
Proceedings of The Twenty-Fifth Text REtrieval Conference, 2016

Cross-Domain Mining of Argumentative Text through Distant Supervision.
Proceedings of the NAACL HLT 2016, 2016

Clickbait Detection.
Proceedings of the Advances in Information Retrieval, 2016

Who Wrote the Web? Revisiting Influential Author Identification Research Applicable to Information Retrieval.
Proceedings of the Advances in Information Retrieval, 2016

Supporting Scholarly Search with Keyqueries.
Proceedings of the Advances in Information Retrieval, 2016

A News Editorial Corpus for Mining Argumentation Strategies.
Proceedings of the COLING 2016, 2016

Author Obfuscation: Attacking the State of the Art in Authorship Verification.
Proceedings of the Working Notes of CLEF 2016, 2016

Axiomatic Result Re-Ranking.
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, 2016

How Writers Search: Analyzing the Search and Writing Logs of Non-fictional Essays.
Proceedings of the 2016 ACM Conference on Human Information Interaction and Retrieval, 2016

Simulating Ideal and Average Users.
Proceedings of the Information Retrieval Technology, 2016

Keyqueries for Clustering and Labeling.
Proceedings of the Information Retrieval Technology, 2016

2015
Webis Known-Item Question Corpus 2013 (Webis-KIQC-13).
Dataset, April, 2015

Webis-Ambient-15.
Dataset, March, 2015

Webis at TREC 2015: Tasks and Total Recall Tracks.
Proceedings of The Twenty-Fourth Text REtrieval Conference, 2015

Webis: An Ensemble for Twitter Sentiment Detection.
Proceedings of the 9th International Workshop on Semantic Evaluation, 2015

What was the Query? Generating Queries for Document Sets with Applications in Cluster Labeling.
Proceedings of the Natural Language Processing and Information Systems, 2015

A Shared Task on Argumentation Mining in Newspaper Editorials.
Proceedings of the 2nd Workshop on Argumentation Mining, 2015

A Corpus of Realistic Known-Item Topics with Associated Web Pages in the ClueWeb09.
Proceedings of the Advances in Information Retrieval, 2015

Twitter Sentiment Detection via Ensemble Classification Using Averaged Confidence Scores.
Proceedings of the Advances in Information Retrieval, 2015

Source Retrieval for Plagiarism Detection from Large Web Corpora: Recent Approaches.
Proceedings of the Working Notes of CLEF 2015, 2015

What Users Ask a Search Engine: Analyzing One Billion Russian Question Queries.
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, 2015

2014
PAN14 Originality: Text Alignment.
Dataset, September, 2014

Weblog Analysis.
Encyclopedia of Social Network Analysis and Mining, 2014

A Lower Bound for the HBC Transversal Hypergraph Generation.
Fundam. Informaticae, 2014

A Keyquery-Based Classification System for CORE.
D Lib Mag., 2014

Webis at TREC 2014: Web, Session, and Contextual Suggestion Tracks.
Proceedings of The Twenty-Third Text REtrieval Conference, 2014

Dynamic taxonomy composition via keyqueries.
Proceedings of the IEEE/ACM Joint Conference on Digital Libraries, 2014

Generating Acrostics via Paraphrasing and Heuristic Search.
Proceedings of the COLING 2014, 2014

Improving Cloze Test Performance of Language Learners Using Web N-Grams.
Proceedings of the COLING 2014, 2014

Overview of the 6th International Competition on Plagiarism Detection.
Proceedings of the Working Notes for CLEF 2014 Conference, 2014

Supporting More-Like-This Information Needs: Finding Similar Web Content in Different Scenarios.
Proceedings of the Information Access Evaluation. Multilinguality, Multimodality, and Interaction, 2014

2013

Webis Search Mission Corpus 2012 (Webis-SMC-12).
Dataset, May, 2013

Webis at TREC 2013-Session and Web Track.
Proceedings of The Twenty-Second Text REtrieval Conference, 2013

From keywords to keyqueries: content descriptors for the web.
Proceedings of the 36th International ACM SIGIR conference on research and development in Information Retrieval, 2013

From search session detection to search mission detection.
Proceedings of the Open research Areas in Information Retrieval, 2013

Exploratory Search Missions for TREC Topics.
Proceedings of the 3rd European Workshop on Human-Computer Interaction and Information Retrieval, 2013

Overview of the 5th International Competition on Plagiarism Detection.
Proceedings of the Working Notes for CLEF 2013 Conference , 2013

Crowdsourcing Interaction Logs to Understand Text Reuse from the Web.
Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics, 2013

2012
Webis Text Reuse Corpus 2012.
Dataset, September, 2012

Webis at the TREC 2012 Session Track.
Proceedings of The Twenty-First Text REtrieval Conference, 2012

ChatNoir: a search engine for the ClueWeb09 corpus.
Proceedings of the 35th International ACM SIGIR conference on research and development in Information Retrieval, 2012

Towards realistic known-item topics for the ClueWeb.
Proceedings of the Information Interaction in Context: 2012, 2012

Overview of the 4th International Competition on Plagiarism Detection.
Proceedings of the CLEF 2012 Evaluation Labs and Workshop, 2012

Towards optimum query segmentation: in doubt without.
Proceedings of the 21st ACM International Conference on Information and Knowledge Management, 2012

2011
Query segmentation revisited.
Proceedings of the 20th International Conference on World Wide Web, 2011

Webis at the TREC 2011 Session Track.
Proceedings of The Twentieth Text REtrieval Conference, 2011

Candidate Document Retrieval for Web-Scale Text Reuse Detection.
Proceedings of the String Processing and Information Retrieval, 2011

Applying the User-over-Ranking Hypothesis to Query Formulation.
Proceedings of the Advances in Information Retrieval Theory, 2011

Introducing the User-over-Ranking Hypothesis.
Proceedings of the Advances in Information Retrieval, 2011

Query session detection as a cascade.
Proceedings of the 20th ACM Conference on Information and Knowledge Management, 2011

2010
Webis Query Segmentation Corpus 2010 (Webis-QSeC-10).
Dataset, July, 2010

Making the Most of a Web Search Session.
Proceedings of the 2010 IEEE/WIC/ACM International Conference on Web Intelligence, 2010

Webis at the TREC 2010 Sessions Track.
Proceedings of The Nineteenth Text REtrieval Conference, 2010

The power of naive query segmentation.
Proceedings of the Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, 2010

Capacity-Constrained Query Formulation.
Proceedings of the Research and Advanced Technology for Digital Libraries, 2010

Search Strategies for Keyword-based Queries.
Proceedings of the Database and Expert Systems Applications, 2010

Experiments.
Proceedings of the Algorithm Engineering: Bridging the Gap between Algorithm Theory and Practice [outcome of a Dagstuhl Seminar], 2010

2009
Lower bounds for three algorithms for transversal hypergraph generation.
Discret. Appl. Math., 2009

Experimental comparison of the two Fredman-Khachiyan-algorithms.
Proceedings of the Eleventh Workshop on Algorithm Engineering and Experiments, 2009

2008
Complexity of DNF minimization and isomorphism testing for monotone formulas.
Inf. Comput., 2008

Some Fixed-Parameter Tractable Classes of Hypergraph Duality and Related Problems.
Proceedings of the Parameterized and Exact Computation, Third International Workshop, 2008

Algorithmic and Computational Complexity Issues of MONET.
Cuvillier, ISBN: 978-3-86727-826-3, 2008

2007
On the fixed-parameter tractability of the equivalence test of monotone normal forms.
Inf. Process. Lett., 2007

2005
Complexity of DNF and Isomorphism of Monotone Formulas.
Proceedings of the Mathematical Foundations of Computer Science 2005, 2005


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