Publications

43 entries « 1 of 1 »

2021

Ravi, Manoj Prabhakar Kannan; Singh, Kuldeep; Mulang, Isaiah Onando; Shekarpour, Saeedeh; Hoffart, Johannes; Lehmann, Jens

CHOLAN: A Modular Approach for Neural Entity Linking on Wikipedia and Wikidata Inproceedings

In: Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Main Volume, EACL 2021, Online, April 19 - 23, 2021, pp. 504–514, Association for Computational Linguistics, 2021.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Plepi, Joan; Kacupaj, Endri; Singh, Kuldeep; Thakkar, Harsh; Lehmann, Jens

Context Transformer with Stacked Pointer Networks for Conversational Question Answering over Knowledge Graphs Inproceedings

In: The Semantic Web - 18th International Conference, ESWC 2021, Virtual Event, June 6-10, 2021, Proceedings, pp. 356–371, Springer, 2021.

BibTeX | Research Area: Dialogue Systems, Question Answering over Knowledge Graphs | Links:

Kacupaj, Endri; Plepi, Joan; Singh, Kuldeep; Thakkar, Harsh; Lehmann, Jens; Maleshkova, Maria

Conversational Question Answering over Knowledge Graphs with Transformer and Graph Attention Networks Inproceedings

In: Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Main Volume, EACL 2021, Online, April 19 - 23, 2021, pp. 850–862, Association for Computational Linguistics, 2021.

BibTeX | Research Area: Dialogue Systems, Question Answering over Knowledge Graphs | Links:

Kacupaj, Endri; Banerjee, Barshana; Singh, Kuldeep; Lehmann, Jens

ParaQA: A Question Answering Dataset with Paraphrase Responses for Single-Turn Conversation Inproceedings

In: The Semantic Web - 18th International Conference, ESWC 2021, Virtual Event, June 6-10, 2021, Proceedings, pp. 598–613, Springer, 2021.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Chakraborty, Nilesh; Lukovnikov, Denis; Maheshwari, Gaurav; Trivedi, Priyansh; Lehmann, Jens; Fischer, Asja

Introduction to neural network-based question answering over knowledge graphs Journal Article

In: Wiley Interdiscip. Rev. Data Min. Knowl. Discov., 11 (3), 2021.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Kacupaj, Endri; Premnadh, Shyamnath; Singh, Kuldeep; Lehmann, Jens; Maleshkova, Maria

VOGUE: Answer Verbalization Through Multi-Task Learning Inproceedings

In: Machine Learning and Knowledge Discovery in Databases. Research Track - European Conference, ECML PKDD 2021, Bilbao, Spain, September 13-17, 2021, Proceedings, Part III, pp. 563–579, Springer, 2021.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

2020

Kacupaj, Endri; Zafar, Hamid; Lehmann, Jens; Maleshkova, Maria

VQuAnDa: Verbalization QUestion ANswering DAtaset Inproceedings

In: The Semantic Web - 17th International Conference, ESWC 2020, Heraklion, Crete, Greece, May 31-June 4, 2020, Proceedings, pp. 531–547, Springer, 2020.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Rose, Jewgeni; Lehmann, Jens

CASQAD - A New Dataset for Context-Aware Spatial Question Answering Inproceedings

In: The Semantic Web - ISWC 2020 - 19th International Semantic Web Conference, Athens, Greece, November 2-6, 2020, Proceedings, Part II, pp. 3–17, Springer, 2020.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Zafar, Hamid; Tavakol, Maryam; Lehmann, Jens

Distantly Supervised Question Parsing Inproceedings

In: ECAI 2020 - 24th European Conference on Artificial Intelligence, 29 August-8 September 2020, Santiago de Compostela, Spain, August 29 - September 8, 2020 - Including 10th Conference on Prestigious Applications of Artificial Intelligence (PAIS 2020), pp. 2290–2297, IOS Press, 2020.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Banerjee, Debayan; Chaudhuri, Debanjan; Dubey, Mohnish; Lehmann, Jens

PNEL: Pointer Network Based End-To-End Entity Linking over Knowledge Graphs Inproceedings

In: The Semantic Web - ISWC 2020 - 19th International Semantic Web Conference, Athens, Greece, November 2-6, 2020, Proceedings, Part I, pp. 21–38, Springer, 2020.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Mihindukulasooriya, Nandana; Dubey, Mohnish; Gliozzo, Alfio; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga; Usbeck, Ricardo (Ed.)

Proceedings of the SeMantic AnsweR Type prediction task (SMART) at ISWC 2020 Semantic Web Challenge co-located with the 19th International Semantic Web Conference (ISWC 2020), Virtual Conference, November 5th, 2020 Proceeding

CEUR-WS.org, 2774 , 2020.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Zafar, Hamid; Dubey, Mohnish; Lehmann, Jens; Demidova, Elena

IQA: Interactive query construction in semantic question answering systems Journal Article

In: Journal of Web Semantics, 64 , pp. 100586, 2020.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Singh, Kuldeep; Lytra, Ioanna; Radhakrishna, Arun Sethupat; Shekarpour, Saeedeh; Vidal, Maria-Esther; Lehmann, Jens

No one is perfect: Analysing the performance of question answering components over the DBpedia knowledge graph Journal Article

In: Journal of Web Semantics, 65 , pp. 100594, 2020.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

2019

Sakor, Ahmad; Mulang, Isaiah Onando; Singh, Kuldeep; Shekarpour, Saeedeh; Vidal, Maria-Esther; Lehmann, Jens; Auer, Sören

Old is Gold: Linguistic Driven Approach for Entity and Relation Linking of Short Text Inproceedings

In: Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, NAACL-HLT 2019, Minneapolis, MN, USA, June 2-7, 2019, Volume 1 (Long and Short Papers), pp. 2336–2346, Association for Computational Linguistics, 2019.

BibTeX | Research Area: Knowledge Extraction, Question Answering over Knowledge Graphs | Links:

Dubey, Mohnish; Banerjee, Debayan; Abdelkawi, Abdelrahman; Lehmann, Jens

LC-QuAD 2.0: A Large Dataset for Complex Question Answering over Wikidata and DBpedia Inproceedings

In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference, Auckland, New Zealand, October 26-30, 2019, Proceedings, Part II, pp. 69–78, Springer, 2019.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Singh, Kuldeep; Saleem, Muhammad; Nadgeri, Abhishek; Conrads, Felix; Pan, Jeff Z.; Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens

QaldGen: Towards Microbenchmarking of Question Answering Systems over Knowledge Graphs Inproceedings

In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference, Auckland, New Zealand, October 26-30, 2019, Proceedings, Part II, pp. 277–292, Springer, 2019.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Lukovnikov, Denis; Fischer, Asja; Lehmann, Jens

Pretrained Transformers for Simple Question Answering over Knowledge Graphs Inproceedings

In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference, Auckland, New Zealand, October 26-30, 2019, Proceedings, Part I, pp. 470–486, Springer, 2019.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Maheshwari, Gaurav; Trivedi, Priyansh; Lukovnikov, Denis; Chakraborty, Nilesh; Fischer, Asja; Lehmann, Jens

Learning to Rank Query Graphs for Complex Question Answering over Knowledge Graphs Inproceedings

In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference, Auckland, New Zealand, October 26-30, 2019, Proceedings, Part I, pp. 487–504, Springer, 2019.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Abdelkawi, Abdelrahman; Zafar, Hamid; Maleshkova, Maria; Lehmann, Jens

Complex Query Augmentation for Question Answering over Knowledge Graphs Inproceedings

In: On the Move to Meaningful Internet Systems: OTM 2019 Conferences - Confederated International Conferences: CoopIS, ODBASE, C&TC 2019, Rhodes, Greece, October 21-25, 2019, Proceedings, pp. 571–587, Springer, 2019.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Mehmood, Qaiser; Nadgeri, Abhishek; Saleem, Muhammad; Singh, Kuldeep; Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens

Microbenchmarks for Question Answering Systems Using QaldGen Inproceedings

In: Proceedings of the ISWC 2019 Satellite Tracks (Posters & Demonstrations, Industry, and Outrageous Ideas) co-located with 18th International Semantic Web Conference (ISWC 2019), Auckland, New Zealand, October 26-30, 2019, pp. 261–264, CEUR-WS.org, 2019.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

2018

Zafar, Hamid; Napolitano, Giulio; Lehmann, Jens

Formal Query Generation for Question Answering over Knowledge Bases Inproceedings

In: The Semantic Web - 15th International Conference, ESWC 2018, Heraklion, Crete, Greece, June 3-7, 2018, Proceedings, pp. 714–728, Springer, 2018.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Collarana, Diego; Heuss, Timm; Lehmann, Jens; Lytra, Ioanna; Maheshwari, Gaurav; Nedelchev, Rostislav; Schmidt, Thorsten; Trivedi, Priyansh

A Question Answering System on Regulatory Documents Inproceedings

In: Legal Knowledge and Information Systems - JURIX 2018: The Thirty-first Annual Conference, Groningen, The Netherlands, 12-14 December 2018, pp. 41–50, IOS Press, 2018.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Zafar, Hamid; Napolitano, Giulio; Lehmann, Jens

Deep Query Ranking for Question Answering over Knowledge Bases Inproceedings

In: Machine Learning and Knowledge Discovery in Databases - European Conference, ECML PKDD 2018, Dublin, Ireland, September 10-14, 2018, Proceedings, Part III, pp. 635–638, Springer, 2018.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Banerjee, Debayan; Dubey, Mohnish; Chaudhuri, Debanjan; Lehmann, Jens

Joint Entity and Relation Linking Using EARL Inproceedings

In: Proceedings of the ISWC 2018 Posters & Demonstrations, Industry and Blue Sky Ideas Tracks co-located with 17th International Semantic Web Conference (ISWC 2018), Monterey, USA, October 8th - to - 12th, 2018, CEUR-WS.org, 2018.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Dubey, Mohnish; Banerjee, Debayan; Chaudhuri, Debanjan; Lehmann, Jens

EARL: Joint Entity and Relation Linking for Question Answering over Knowledge Graphs Inproceedings

In: The Semantic Web - ISWC 2018 - 17th International Semantic Web Conference, Monterey, CA, USA, October 8-12, 2018, Proceedings, Part I, pp. 108–126, Springer, 2018.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Singh, Kuldeep; Radhakrishna, Arun Sethupat; Both, Andreas; Shekarpour, Saeedeh; Lytra, Ioanna; Usbeck, Ricardo; Vyas, Akhilesh; Khikmatullaev, Akmal; Punjani, Dharmen; Lange, Christoph; Vidal, Maria-Esther; Lehmann, Jens; Auer, Sören

Why Reinvent the Wheel: Let's Build Question Answering Systems Together Inproceedings

In: Proceedings of the 2018 World Wide Web Conference on World Wide Web, WWW 2018, Lyon, France, April 23-27, 2018, pp. 1247–1256, ACM, 2018.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

2017

Esteves, Diego; Peres, Rafael; Lehmann, Jens; Napolitano, Giulio

Named Entity Recognition in Twitter Using Images and Text Inproceedings

In: Current Trends in Web Engineering - ICWE 2017 International Workshops, Liquid Multi-Device Software and EnWoT, practi-O-web, NLPIT, SoWeMine, Rome, Italy, June 5-8, 2017, Revised Selected Papers, pp. 191–199, Springer, 2017.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Maheshwari, Gaurav; Dubey, Mohnish; Trivedi, Priyansh; Lehmann, Jens

How to Revert Question Answering on Knowledge Graphs Inproceedings

In: Proceedings of the ISWC 2017 Posters & Demonstrations and Industry Tracks co-located with 16th International Semantic Web Conference (ISWC 2017), Vienna, Austria, October 23rd - to - 25th, 2017, CEUR-WS.org, 2017.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Trivedi, Priyansh; Maheshwari, Gaurav; Dubey, Mohnish; Lehmann, Jens

LC-QuAD: A Corpus for Complex Question Answering over Knowledge Graphs Inproceedings

In: The Semantic Web - ISWC 2017 - 16th International Semantic Web Conference, Vienna, Austria, October 21-25, 2017, Proceedings, Part II, pp. 210–218, Springer, 2017.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Lukovnikov, Denis; Fischer, Asja; Lehmann, Jens; Auer, Sören

Neural Network-based Question Answering over Knowledge Graphs on Word and Character Level Inproceedings

In: Proceedings of the 26th International Conference on World Wide Web, WWW 2017, Perth, Australia, April 3-7, 2017, pp. 1211–1220, ACM, 2017.

BibTeX | Research Area: Question Answering over Knowledge Graphs, Top Publications | Links:

Usbeck, Ricardo; Hoffmann, Michael; Röder, Michael; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga

Using Multi-Label Classification for Improved Question Answering Informal Publications

2017.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Höffner, Konrad; Walter, Sebastian; Marx, Edgard; Usbeck, Ricardo; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga

Survey on challenges of Question Answering in the Semantic Web Journal Article

In: Semantic Web, 8 (6), pp. 895–920, 2017.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

2016

Dubey, Mohnish; Dasgupta, Sourish; Sharma, Ankit; Höffner, Konrad; Lehmann, Jens

AskNow: A Framework for Natural Language Query Formalization in SPARQL Inproceedings

In: The Semantic Web. Latest Advances and New Domains - 13th International Conference, ESWC 2016, Heraklion, Crete, Greece, May 29 - June 2, 2016, Proceedings, pp. 300–316, Springer, 2016.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Marx, Edgard; Höffner, Konrad; Shekarpour, Saeedeh; Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens; Auer, Sören

Exploring Term Networks for Semantic Search over RDF Knowledge Graphs Inproceedings

In: Metadata and Semantics Research - 10th International Conference, MTSR 2016, Göttingen, Germany, November 22-25, 2016, Proceedings, pp. 249–261, 2016.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Höffner, Konrad; Lehmann, Jens; Usbeck, Ricardo

CubeQA - Question Answering on RDF Data Cubes Inproceedings

In: The Semantic Web - ISWC 2016 - 15th International Semantic Web Conference, Kobe, Japan, October 17-21, 2016, Proceedings, Part I, pp. 325–340, 2016.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

2015

Marx, Edgard; Soru, Tommaso; Esteves, Diego; Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens

An Open Question Answering Framework Inproceedings

In: Proceedings of the ISWC 2015 Posters & Demonstrations Track co-located with the 14th International Semantic Web Conference (ISWC-2015), Bethlehem, PA, USA, October 11, 2015, CEUR-WS.org, 2015.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

2014

Marx, Edgard; Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga; Höffner, Konrad; Lehmann, Jens; Auer, Sören

Towards an open question answering architecture Inproceedings

In: Proceedings of the 10th International Conference on Semantic Systems, SEMANTICS 2014, Leipzig, Germany, September 4-5, 2014, pp. 57–60, ACM, 2014.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Höffner, Konrad; Lehmann, Jens

Towards question answering on statistical linked data Inproceedings

In: Proceedings of the 10th International Conference on Semantic Systems, SEMANTICS 2014, Leipzig, Germany, September 4-5, 2014, pp. 61–64, ACM, 2014.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

2013

Ngomo, Axel-Cyrille Ngonga; Bühmann, Lorenz; Unger, Christina; Lehmann, Jens; Gerber, Daniel

SPARQL2NL: verbalizing sparql queries Inproceedings

In: 22nd International World Wide Web Conference, WWW '13, Rio de Janeiro, Brazil, May 13-17, 2013, Companion Volume, pp. 329–332, International World Wide Web Conferences Steering Committee / ACM, 2013.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Höffner, Konrad; Unger, Christina; Bühmann, Lorenz; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga; Gerber, Daniel; Cimiano, Philipp

User Interface for a Template Based Question Answering System Inproceedings

In: Knowledge Engineering and the Semantic Web - 4th International Conference, KESW 2013, St. Petersburg, Russia, October 7-9, 2013. Proceedings, pp. 258–264, Springer, 2013.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

2012

Lehmann, Jens; Furche, Tim; Grasso, Giovanni; Ngomo, Axel-Cyrille Ngonga; Schallhart, Christian; Sellers, Andrew Jon; Unger, Christina; Bühmann, Lorenz; Gerber, Daniel; Höffner, Konrad; Liu, David; Auer, Sören

deqa: Deep Web Extraction for Question Answering Inproceedings

In: The Semantic Web - ISWC 2012 - 11th International Semantic Web Conference, Boston, MA, USA, November 11-15, 2012, Proceedings, Part II, pp. 131–147, Springer, 2012.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Unger, Christina; Bühmann, Lorenz; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga; Gerber, Daniel; Cimiano, Philipp

Template-based question answering over RDF data Inproceedings

In: Proceedings of the 21st World Wide Web Conference 2012, WWW 2012, Lyon, France, April 16-20, 2012, pp. 639–648, ACM, 2012.

BibTeX | Research Area: Question Answering over Knowledge Graphs, Top Publications | Links:

2011

Lehmann, Jens; Bühmann, Lorenz

AutoSPARQL: Let Users Query Your Knowledge Base Inproceedings

In: The Semantic Web: Research and Applications - 8th Extended Semantic Web Conference, ESWC 2011, Heraklion, Crete, Greece, May 29-June 2, 2011, Proceedings, Part I, pp. 63–79, Springer, 2011.

BibTeX | Research Area: Concept Learning in Description Logics, Question Answering over Knowledge Graphs | Links:

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Ravi, Manoj Prabhakar Kannan; Singh, Kuldeep; Mulang, Isaiah Onando; Shekarpour, Saeedeh; Hoffart, Johannes; Lehmann, Jens

CHOLAN: A Modular Approach for Neural Entity Linking on Wikipedia and Wikidata Inproceedings

In: Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Main Volume, EACL 2021, Online, April 19 - 23, 2021, pp. 504–514, Association for Computational Linguistics, 2021.

BibTeX | filter: Question Answering over Knowledge Graphs | Links:

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