Dr. Ioanna Lytra

Dr. Ioanna Lytra left SDA. The profile below reflects the status at the point of her departure and is no longer updated.

PhD Student
Computer Science Institute
University of Bonn

Profiles: LinkedInGoogle ScholarDBLP

Room A209
Römerstr. 164, 53117 Bonn, Germany
University of Bonn, Computer Science

lytra@cs.uni-bonn.de

Short CV


Dr. Ioanna Lytra is a Senior Researcher at the University of Bonn. Her research interests include Data Management, Data Integration, Question Answering.

Research Interests


  • Data Management
  • Data Integration
  • Question Answering

Publications

2020

Lytra, Ioanna; Carrillo, Carlos; Capilla, Rafael; Zdun, Uwe

Quality attributes use in architecture design decision methods: research and practice Journal Article

In: Computing, 102 (2), pp. 551–572, 2020.

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2019

Sejdiu, Gezim; Graux, Damien; Khan, Imran; Lytra, Ioanna; Jabeen, Hajira; Lehmann, Jens

Towards a Scalable Semantic-Based Distributed Approach for SPARQL Query Evaluation Inproceedings

In: Semantic Systems. The Power of AI and Knowledge Graphs - 15th International Conference, SEMANTiCS 2019, Karlsruhe, Germany, September 9-12, 2019, Proceedings, pp. 295–309, Springer, 2019.

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2018

Endris, Kemele M.; Almhithawi, Zuhair; Lytra, Ioanna; Vidal, Maria-Esther; Auer, Sören

BOUNCER: Privacy-Aware Query Processing over Federations of RDF Datasets Inproceedings

In: Database and Expert Systems Applications - 29th International Conference, DEXA 2018, Regensburg, Germany, September 3-6, 2018, Proceedings, Part I, pp. 69–84, Springer, 2018.

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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.

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Al-Safi, Omar; Mader, Christian; Lytra, Ioanna; Galkin, Mikhail; Endris, Kemele M.; Vidal, Maria-Esther; Auer, Sören

Shipping Knowledge Graph Management Capabilities to Data Providers and Consumers Inproceedings

In: 12th IEEE International Conference on Semantic Computing, ICSC 2018, Laguna Hills, CA, USA, January 31 - February 2, 2018, pp. 9–16, IEEE Computer Society, 2018.

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Karim, Farah; Naameh, Ola Al; Lytra, Ioanna; Mader, Christian; Vidal, Maria-Esther; Auer, Sören

Semantic Enrichment of IoT Stream Data On-demand Inproceedings

In: 12th IEEE International Conference on Semantic Computing, ICSC 2018, Laguna Hills, CA, USA, January 31 - February 2, 2018, pp. 33–40, IEEE Computer Society, 2018.

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Marx, Edgard; Saleem, Muhammad; Lytra, Ioanna; Ngomo, Axel-Cyrille Ngonga

A Decentralized Architecture for SPARQL Query Processing and RDF Sharing: A Position Paper Inproceedings

In: 12th IEEE International Conference on Semantic Computing, ICSC 2018, Laguna Hills, CA, USA, January 31 - February 2, 2018, pp. 274–277, IEEE Computer Society, 2018.

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Singh, Kuldeep; Lytra, Ioanna; Radhakrishna, Arun Sethupat; Vyas, Akhilesh; Vidal, Maria-Esther

Dynamic Composition of Question Answering Pipelines with FRANKENSTEIN Inproceedings

In: The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018, pp. 1313–1316, ACM, 2018.

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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.

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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: CoRR, abs/1809.10044 , 2018.

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Karim, Farah; Lytra, Ioanna; Mader, Christian; Auer, Sören; Vidal, Maria-Esther

DESERT: A Continuous SPARQL Query Engine for On-Demand Query Answering Journal Article

In: Int. J. Semantic Computing, 12 (3), pp. 373–397, 2018.

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Endris, Kemele M.; Galkin, Mikhail; Lytra, Ioanna; Mami, Mohamed Nadjib; Vidal, Maria-Esther; Auer, Sören

Querying Interlinked Data by Bridging RDF Molecule Templates Journal Article

In: Trans. Large Scale Data Knowl. Centered Syst., 39 , pp. 1–42, 2018.

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2017

Endris, Kemele M.; Galkin, Mikhail; Lytra, Ioanna; Mami, Mohamed Nadjib; Vidal, Maria-Esther; Auer, Sören

MULDER: Querying the Linked Data Web by Bridging RDF Molecule Templates Inproceedings

In: Database and Expert Systems Applications - 28th International Conference, DEXA 2017, Lyon, France, August 28-31, 2017, Proceedings, Part I, pp. 3–18, Springer, 2017.

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Singh, Kuldeep; Lytra, Ioanna; Vidal, Maria-Esther; Punjani, Dharmen; Thakkar, Harsh; Lange, Christoph; Auer, Sören

QAestro - Semantic-Based Composition of Question Answering Pipelines Inproceedings

In: Database and Expert Systems Applications - 28th International Conference, DEXA 2017, Lyon, France, August 28-31, 2017, Proceedings, Part I, pp. 19–34, Springer, 2017.

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Lytra, Ioanna; Vidal, Maria-Esther; Orlandi, Fabrizio; Attard, Judie

A big data architecture for managing oceans of data and maritime applications Inproceedings

In: International Conference on Engineering, Technology and Innovation, ICE/ITMC 2017, Madeira Island, Portugal, June 27-29, 2017, pp. 1216–1226, IEEE, 2017.

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Both, Andreas; Singh, Kuldeep; Diefenbach, Dennis; Lytra, Ioanna

Rapid Engineering of QA Systems Using the Light-Weight Qanary Architecture Inproceedings

In: Web Engineering - 17th International Conference, ICWE 2017, Rome, Italy, June 5-8, 2017, Proceedings, pp. 544–548, Springer, 2017.

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Singh, Kuldeep; Mulang, Isaiah Onando; Lytra, Ioanna; Jaradeh, Mohamad Yaser; Sakor, Ahmad; Vidal, Maria-Esther; Lange, Christoph; Auer, Sören

Capturing Knowledge in Semantically-typed Relational Patterns to Enhance Relation Linking Inproceedings

In: Proceedings of the Knowledge Capture Conference, K-CAP 2017, Austin, TX, USA, December 4-6, 2017, pp. 31:1–31:8, ACM, 2017.

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Singh, Kuldeep; Lytra, Ioanna; Aditya, Kunwar Abhinav; Vidal, Maria-Esther

QAestro Framework - Semantic Composition of QA Pipelines 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.

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2016

Tofan, Dan; Galster, Matthias; Lytra, Ioanna; Avgeriou, Paris; Zdun, Uwe; Fouche, Mark-Anthony; de Boer, Remco C.; Solms, Fritz

Empirical evaluation of a process to increase consensus in group architectural decision making Journal Article

In: Inf. Softw. Technol., 72 , pp. 31–47, 2016.

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2015

Lytra, Ioanna; Engelbrecht, Gerhard; Schall, Daniel; Zdun, Uwe

Reusable Architectural Decision Models for Quality-Driven Decision Support: A Case Study from a Smart Cities Software Ecosystem Inproceedings

In: 3rd IEEE/ACM International Workshop on Software Engineering for Systems-of-Systems, SESoS 2015, Florence, Italy, May 17, 2015, pp. 37–43, IEEE Computer Society, 2015.

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Lytra, Ioanna; Tran, Huy; Zdun, Uwe

Harmonizing architectural decisions with component view models using reusable architectural knowledge transformations and constraints Journal Article

In: Future Gener. Comput. Syst., 47 , pp. 80–96, 2015.

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Lytra, Ioanna; Gaubatz, Patrick; Zdun, Uwe

Two controlled experiments on model-based architectural decision making Journal Article

In: Inf. Softw. Technol., 63 , pp. 58–75, 2015.

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Gaubatz, Patrick; Lytra, Ioanna; Zdun, Uwe

Automatic enforcement of constraints in real-time collaborative architectural decision making Journal Article

In: J. Syst. Softw., 103 , pp. 128–149, 2015.

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2014

Lytra, Ioanna; Zdun, Uwe

Inconsistency Management between Architectural Decisions and Designs Using Constraints and Model Fixes Inproceedings

In: 23rd Australian Software Engineering Conference, ASWEC 2014, Milsons Point, Sydney, NSW, Australia, April 7-10, 2014, pp. 230–239, IEEE Computer Society, 2014.

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Lytra, Ioanna; Eichelberger, Holger; Tran, Huy; Leyh, Georg; Schmid, Klaus; Zdun, Uwe

On the interdependence and integration of variability and architectural decisions Inproceedings

In: The Eighth International Workshop on Variability Modelling of Software-intensive Systems, VaMoS '14, Sophia Antipolis, France, January 22-24, 2014, pp. 19:1–19:8, ACM, 2014.

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2013

Lytra, Ioanna; Zdun, Uwe

Supporting architectural decision making for systems-of-systems design under uncertainty Inproceedings

In: Proceedings of the First International Workshop on Software Engineering for Systems-of-Systems, SESoS@ECOOP, Montpellier, France, July 2, 2013, pp. 43–46, ACM, 2013.

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Lytra, Ioanna; Tran, Huy; Zdun, Uwe

Supporting Consistency between Architectural Design Decisions and Component Models through Reusable Architectural Knowledge Transformations Inproceedings

In: Software Architecture - 7th European Conference, ECSA 2013, Montpellier, France, July 1-5, 2013. Proceedings, pp. 224–239, Springer, 2013.

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Inzinger, Christian; Hummer, Waldemar; Lytra, Ioanna; Leitner, Philipp; Tran, Huy; Zdun, Uwe; Dustdar, Schahram

Decisions, Models, and Monitoring - A Lifecycle Model for the Evolution of Service-Based Systems Inproceedings

In: 17th IEEE International Enterprise Distributed Object Computing Conference, EDOC 2013, Vancouver, BC, Canada, September 9-13, 2013, pp. 185–194, IEEE Computer Society, 2013.

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Tran, Huy; Lytra, Ioanna; Zdun, Uwe

Derivation of domain-specific architectural knowledge views from governance and security compliance metadata Inproceedings

In: Proceedings of the 28th Annual ACM Symposium on Applied Computing, SAC '13, Coimbra, Portugal, March 18-22, 2013, pp. 1728–1733, ACM, 2013.

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2012

Lytra, Ioanna; Tran, Huy; Zdun, Uwe

Constraint-Based Consistency Checking between Design Decisions and Component Models for Supporting Software Architecture Evolution Inproceedings

In: 16th European Conference on Software Maintenance and Reengineering, CSMR 2012, Szeged, Hungary, March 27-30, 2012, pp. 287–296, IEEE Computer Society, 2012.

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Lytra, Ioanna; Sobernig, Stefan; Tran, Huy; Zdun, Uwe

A pattern language for service-based platform integration and adaptation Inproceedings

In: 17th European Conference on Pattern Languages of Programs, EuroPLoP 2012, Irsee, Germany, July 11-15, 2012, pp. 4:1–4:27, ACM, 2012.

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Lytra, Ioanna; Sobernig, Stefan; Zdun, Uwe

Architectural Decision Making for Service-Based Platform Integration: A Qualitative Multi-Method Study Inproceedings

In: 2012 Joint Working IEEE/IFIP Conference on Software Architecture and European Conference on Software Architecture, WICSA/ECSA 2012, Helsinki, Finland, August 20-24, 2012, pp. 111–120, IEEE, 2012.

Links | BibTeX