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Sijin Cheng

PhD student

Publications

2024

Sijin Cheng (2024) Query Processing over Heterogeneous Federations of Graph Data

2023

Sijin Cheng, Sebastian Ferrada, Olaf Hartig (2023) Considering Vocabulary Mappings in Query Plans for Federations of RDF Data Sources Proceedings of the 29th International Conference on Cooperative Information Systems (CoopIS)
Sijin Cheng, Olaf Hartig (2023) A Cost Model to Optimize Queries over Heterogeneous Federations of RDF Data Sources Joint Proceedings of the ESWC 2023 Workshops and Tutorials co-located with 20th European Semantic Web Conference (ESWC 2023)

2022

Sijin Cheng, Olaf Hartig (2022) Source Selection for SPARQL Endpoints: Fit for Heterogeneous Federations of RDF Data Sources? Proceedings of the QuWeDa 2022: 6th Workshop on Storing, Querying and Benchmarking Knowledge Graphs co-located with 21st International Semantic Web Conference {(ISWC} 2022)
Sijin Cheng, Olaf Hartig (2022) Towards Query Processing over Heterogeneous Federations of RDF Data Sources The Semantic Web: ESWC 2022 Satellite Events - Hersonissos, Crete, Greece, May 29 - June 2, 2022, Proceedings., p. 57-62 Continue to DOI

Research

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Graduate School in Computer Science, CUGS

The scientific scope of the graduate school CUGS at the Department of Computer and Information Science at Linköping University includes central parts of core computer science and computer engineering.

News

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Award winners at IDA in 2023

We are proud to present awards received by students, teachers and researchers at the Department of Computer and Information Science, IDA, Linköping University.

About the division

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Database and Information Techniques (ADIT)

The Division of Database and Information Techniques is part of the Department of Computer and Information Science. The division consists of several research groups, each of which has its own research profile.

Colleagues at ADIT

Photo of Mina Abd Nikooie Pour
Mina Abd Nikooie Pour
PhD student
Photo of Mohammad Borhani
Mohammad Borhani
PhD student
Photo of Carl Magnus Bruhner
Carl Magnus Bruhner
PhD student
Photo of August Carlson
August Carlson
Research Assistant
Photo of Niklas Carlsson
Niklas Carlsson
Senior Associate Professor
Photo of Erfan Delfani
Erfan Delfani
PhD student
Photo of Andrei Gurtov
Andrei Gurtov
Professor
Photo of Olaf Hartig
Olaf Hartig
Senior Associate Professor
Photo of David Hasselquist
David Hasselquist
Somiya Kapoor
PhD student
Photo of Ulf Kargén
Ulf Kargén
Assistant Professor
Suleman Khan
PhD student
Photo of Shahrzad Khayatbashi
Shahrzad Khayatbashi
PhD student
Photo of Patrick Lambrix
Patrick Lambrix
Professor, Head of Division
Photo of Huanyu Li
Huanyu Li
Postdoc
Photo of Ying Li
Ying Li
PhD student
Photo of Minxing Liu
Minxing Liu
PhD student
Photo of Jiping Luo
Jiping Luo
PhD student
Photo of Le Minh Ha
Le Minh Ha
PhD student
Photo of Sheyda Mirzakhani
Sheyda Mirzakhani
PhD student
Photo of Alireza Mohammadinodooshan
Alireza Mohammadinodooshan
PhD student
Photo of Ali Nikkhah
Ali Nikkhah
PhD student
Photo of Nikolaos Pappas
Nikolaos Pappas
Associate Professor, Docent
Photo of Mehrdad Salimnejad
Mehrdad Salimnejad
PhD student
Photo of Nahid Shahmehri
Nahid Shahmehri
Professor Emerita
Photo of Gurjot Singh
Gurjot Singh
Postdoc
Photo of Ethan Witwer
Ethan Witwer
Research Assistant
Photo of Karol Wojtulewicz
Karol Wojtulewicz
PhD student

About the department

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Department of Computer and Information Science (IDA)

The Department of Computer and Information Science is one of the largest departments in northern Europe in its field. Research activity covers artificial intelligence, human-computer interaction, software and computer systems, and data science.

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