Publications
2022
Tree-KGQA: An Unsupervised Approach for Question Answering Over Knowledge Graphs Journal Article
In: IEEE Access, 10 , pp. 50467–50478, 2022.
Dihedron Algebraic Embeddings for Spatio-Temporal Knowledge Graph Completion Inproceedings
In: The Semantic Web - 19th International Conference, ESWC 2022, Hersonissos, Crete, Greece, May 29 - June 2, 2022, Proceedings, pp. 253–269, Springer, 2022.
DialoKG: Knowledge-Structure Aware Task-Oriented Dialogue Generation Inproceedings
In: Findings of the Association for Computational Linguistics: NAACL 2022, Seattle, WA, United States, July 10-15, 2022, pp. 2557–2571, Association for Computational Linguistics, 2022.
SGPT: A Generative Approach for SPARQL Query Generation From Natural Language Questions Journal Article
In: IEEE Access, 10 , pp. 70712–70723, 2022.
Climate Bot: A Machine Reading Comprehension System for Climate Change Question Answering Inproceedings
In: Proceedings of the Thirty-First International Joint Conference on Artificial Intelligence, IJCAI 2022, Vienna, Austria, 23-29 July 2022, pp. 5249–5252, ijcai.org, 2022.
Improving Inductive Link Prediction Using Hyper-Relational Facts (Extended Abstract) Inproceedings
In: Proceedings of the Thirty-First International Joint Conference on Artificial Intelligence, IJCAI 2022, Vienna, Austria, 23-29 July 2022, pp. 5259–5263, ijcai.org, 2022.
Language Model Guided Knowledge Graph Embeddings Journal Article
In: IEEE Access, 10 , pp. 76008–76020, 2022.
Contrastive Representation Learning for Conversational Question Answering over Knowledge Graphs Inproceedings
In: Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022, pp. 925–934, ACM, 2022.
Survey on English Entity Linking on Wikidata: Datasets and approaches Journal Article
In: Semantic Web, 13 (6), pp. 925–966, 2022.
Bringing Light Into the Dark: A Large-Scale Evaluation of Knowledge Graph Embedding Models Under a Unified Framework Journal Article
In: IEEE Trans. Pattern Anal. Mach. Intell., 44 (12), pp. 8825–8845, 2022.
SimE4KG: Distributed and Explainable Multi-Modal Semantic Similarity Estimation for Knowledge Graphs Inproceedings
In: 5th IEEE International Conference on Artificial Intelligence and Knowledge Engineering, AIKE 2022, Laguna Hills, CA, USA, September 19-21, 2022, pp. 1–8, IEEE, 2022.
Ethical and Sustainability Considerations for Knowledge Graph based Machine Learning Inproceedings
In: 5th IEEE International Conference on Artificial Intelligence and Knowledge Engineering, AIKE 2022, Laguna Hills, CA, USA, September 19-21, 2022, pp. 53–60, IEEE, 2022.
Proceedings of the SeMantic Answer Type and Relation Prediction Task at ISWC 2021 Semantic Web Challenge (SMART2021) co-located with the 20th International Semantic Web Conference (ISWC 2021), Virtual Conference, October 26th, 2021 Proceeding
CEUR-WS.org, 3119 , 2022.
2021
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.
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.
Pattern-Aware and Noise-Resilient Embedding Models Inproceedings
In: Advances in Information Retrieval - 43rd European Conference on IR Research, ECIR 2021, Virtual Event, March 28 - April 1, 2021, Proceedings, Part I, pp. 483–496, Springer, 2021.
HORUS-NER: A Multimodal Named Entity Recognition Framework for Noisy Data Inproceedings
In: Advances in Intelligent Data Analysis XIX - 19th International Symposium on Intelligent Data Analysis, IDA 2021, Porto, Portugal, April 26-28, 2021, Proceedings, pp. 89–100, Springer, 2021.
Loss-Aware Pattern Inference: A Correction on the Wrongly Claimed Limitations of Embedding Models Inproceedings
In: Advances in Knowledge Discovery and Data Mining - 25th Pacific-Asia Conference, PAKDD 2021, Virtual Event, May 11-14, 2021, Proceedings, Part III, pp. 77–89, Springer, 2021.
DistSim - Scalable Distributed in-Memory Semantic Similarity Estimation for RDF Knowledge Graphs Inproceedings
In: 15th IEEE International Conference on Semantic Computing, ICSC 2021, Laguna Hills, CA, USA, January 27-29, 2021, pp. 333–336, IEEE, 2021.
5* Knowledge Graph Embeddings with Projective Transformations Inproceedings
In: Thirty-Fifth AAAI Conference on Artificial Intelligence, AAAI 2021, Thirty-Third Conference on Innovative Applications of Artificial Intelligence, IAAI 2021, The Eleventh Symposium on Educational Advances in Artificial Intelligence, EAAI 2021, Virtual Event, February 2-9, 2021, pp. 9064–9072, AAAI Press, 2021.
Grounding Dialogue Systems via Knowledge Graph Aware Decoding with Pre-trained Transformers Inproceedings
In: The Semantic Web - 18th International Conference, ESWC 2021, Virtual Event, June 6-10, 2021, Proceedings, pp. 323–339, Springer, 2021.
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.
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.
Temporal Knowledge Graph Completion using a Linear Temporal Regularizer and Multivector Embeddings Inproceedings
In: Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, NAACL-HLT 2021, Online, June 6-11, 2021, pp. 2569–2578, Association for Computational Linguistics, 2021.
GeoWINE: Geolocation based Wiki, Image, News and Event Retrieval Inproceedings
In: SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021, pp. 2565–2569, ACM, 2021.
A Virtual Knowledge Graph for Enabling Defect Traceability and Customer Service Analytics Inproceedings
In: The Semantic Web: ESWC 2021 Satellite Events - Virtual Event, June 6-10, 2021, Revised Selected Papers, pp. 245–248, Springer, 2021.
Space Efficient Context Encoding for Non-Task-Oriented Dialogue Generation with Graph Attention Transformer Inproceedings
In: Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing, ACL/IJCNLP 2021, (Volume 1: Long Papers), Virtual Event, August 1-6, 2021, pp. 7028–7041, Association for Computational Linguistics, 2021.
Embedding Knowledge Graphs Attentive to Positional and Centrality Qualities Inproceedings
In: Machine Learning and Knowledge Discovery in Databases. Research Track - European Conference, ECML PKDD 2021, Bilbao, Spain, September 13-17, 2021, Proceedings, Part II, pp. 548–564, Springer, 2021.
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.
BenchEmbedd: A FAIR Benchmarking tool for Knowledge Graph Embeddings Inproceedings
In: Joint Proceedings of the Semantics co-located events: Poster&Demo track and Workshop on Ontology-Driven Conceptual Modelling of Digital Twins co-located with Semantics 2021, Amsterdam and Online, September 6-9, 2021, CEUR-WS.org, 2021.