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Knowledge Technologies group at Cefriel

Main research and innovation interests of the Knowledge technologies groups at Cefriel: Semantic Interoperability and Human Computation. Summary of our research lines,our approach, our offer and our experience in cooperative R&D projects.

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Knowledge Technologies group at Cefriel

  1. 1. Knowledge Technologies group Human Computation and Semantic Interoperability Irene Celino irene.celino@cefriel.com
  2. 2. SEMANTIC INTEROPERABILITY Improve data value chain… • …with knowledge representation  Knowledge Graphs • Data profiling and sharing • Data search/discovery • Added-value services • …with data interoperability  Knowledge Fusion • Ontological modelling • Data standardization • Data conversion HUMAN COMPUTATION Improve data value chain… • …with user engagement  Smart Users • Incentive design (e.g., gamification) • Intuitive interaction (e.g., conversational interfaces) • Awareness creation - behavioural change • …with human-in-the-loop  Smart Data • Data collection (“human as a sensor”) • Data quality assessment • Hybrid human-machine systems (e.g., active learning) • Explainability KNOWLEDGE TECHNOLOGIES GROUP 2copyright © 2019 Cefriel – All rights reserved
  3. 3. from ideation to business value 3 Semantic Interoperability copyright © 2019 Cefriel – All rights reserved
  4. 4. © copyright 2019 Cefriel – All rights reserved CHALLENGES • Sharing and reuse of digital assets through digital platforms • Seamless semantic data aggregation, transformation and fusion • Effective governance of digital ecosystems Cefriel has successfully designed, implemented, and tested solutions based on Semantic Web technologies fostering the sharing, reusability and integration of digital assets SEMANTIC INTEROPERABILITY APPLICATION DOMAINS • Multimodal Transport • Smart Cities • Industrial Data Spaces PROJECTS
  5. 5. SEMANTIC INTEROPERABILITY: OUR OFFER Conceptualization • Acquire knowledge of the domain • Acquire knowledge of data formats/standards • Define the reference ontology Sharing • Define asset types • Define asset descriptors • Create/Customize the digital platform Governance • Identify actors, roles and associated tasks • Define of the lifecycle of each asset type • Define processes to automate the lifecycle management Conversion • Define models and rules to enable the conversion process
  6. 6. SOLUTION: SEMANTIC CATALOGUE OF DISTRIBUTED DIGITAL ASSETS Research Questions: • How to improve data sharing and reusability through the definition of semantic repositories/catalogues? • [Transport] How to facilitate the realization of Single/National Access Points to datasets using semantic technologies? • Potential usages: • Digital Ecosystems / Data Marketplaces • National Access Points for transportation • Features: • Metadata management (asset description) • Process-based asset lifecycle management • Value-added services (e.g., semantic search of assets)
  7. 7. SOLUTION: SEMANTIC DATA CONVERTERS Research Questions: • How to support semantic data interoperability? • How to develop ontology-based transformation between heterogeneous data formats (e.g., different standards)? • Features: • Translation between legacy standards based on semantic models and rules • High reusability w.r.t. custom solutions • The complexity of the conversion process and of the target standards is hidden • Potential application domains: • Transportation • Public Administration • E-health • Industry 4.0
  8. 8. Publications • Irene Celino and Alessio Carenini: "Towards a Semantic City Service Ecosystem", in: Proceedings of the 5th Workshop on Semantics for Smarter Cities, co-located with the 13th International Semantic Web Conference (ISWC 2014), CEUR Workshop Proceedings, Vol. 1280, pp. 3-8, 2014. 8copyright © 2019 Cefriel – All rights reserved TIMING 2015/05-2018/04 PROJECT OBJECTIVE Enhance the rail-traveller experience with solutions to support anytime, anywhere door- to-door co-modal journeys encompassing distinct modes of transportation MAIN PARTNERS Thales, Indra, Trenitalia, Hacon, UITP, UNIFE, Leonardo FUNDING AGENCY Cefriel role in the project • Semantic Interoperability for multi-modal transport services Results • Reference architecture for an Interoperability Framework (IF) for multimodal services • Reference ontological model of the transportation domain knowledge • Reference implementation of core software components of the IF: • Semantic Assets Manager: shared repository and lifecycle management of assets • Semantic Discovery Engine: support to discover and select assets through semantic queries
  9. 9. Publications • A. Carenini, S. Gogos, M. M. Pourhashem Kallehbasti, M. Rossi, R. Santoro: “ST4RT – Semantic Transformations for Rail Transportation”, in Proceedings of 7th Transport Research Arena (TRA), 2018 9copyright © 2019 Cefriel – All rights reserved TIMING 2016/11-2018/10 PROJECT OBJECTIVE Ontology-based transformations between different standards and protocols, resulting in enhanced semantic interoperability between disparate, heterogeneous legacy systems MAIN PARTNERS PoliMi, Trenitalia, UITP, UNIFE, UIC, Oltis, HitRail, RINA FUNDING AGENCY Cefriel role in the project • Ontology Annotation, Transformation and Mapping • Ontological annotation, transformation and mapping between legacy transportation (syntactical) standards Results • Definition of a generic approach for multi-lateral interoperability through semantic lifting and lowering transformations • Reference implementation of ontological conversion services for interoperability between two transportation standards
  10. 10. 10copyright © 2019 Cefriel – All rights reserved TIMING 2016/11-2018/10 PROJECT OBJECTIVE Definition of a sustainable governance for the Interoperability Framework (IF) to introduce seamless mobility services and foster the development of multi- modal travel services MAIN PARTNERS PoliMi, Trenitalia, UITP, UNIFE, UIC, Oltis, UPM, RINA FUNDING AGENCY Cefriel role in the project • Governance of Semantic Interoperability in the Transport domain Results • Analysis of the technology market in the field of semantic interoperability solutions, in order to understand the feasibility of a large-scale adoption of such solutions within the transport domain • Design of an efficient governance and management structure for the IF technology promoting its adoption and sustainability through leveraging contributing regulation, exploiting market forces, and providing adequate complementary specialised measures to compensate for market failures Publications • A. Carenini, I. Celino, M. Comerio, M. M. Pourhashem Kallehbasti, M. Rossi, L. Tanca: “Interoperability and Governance of IT Solutions for Attractive Railway and Multimodal Transport Services: the point of view of EU Research”, in UITP Global Public Transport Summit, Montreal, 2017
  11. 11. 11copyright © 2019 Cefriel – All rights reserved TIMING 2018/12-2020/12 PROJECT OBJECTIVE Enable and facilitate flagship demonstrations in real contexts of the added value created by the new Shift2Rail IP4 ecosystem MAIN PARTNERS UITP, Oltis, UniLeeds, AETHON, Transport operators of Lisbon, Malaga, CZ, AU and DE. FUNDING AGENCY Cefriel role and responsibilities in the project: • WP2 “Scenarios and Use –Cases” leader • analyse the environment (i.e., involved operators, available legacy systems functionalities and data sets) of each demonstration site. • define a detailed scenario for each demonstration site by means of storyboards composed of travellers’ experiences encountered along a multimodal journey. • break down a set of traveller’s experience in detailed use-cases representing the sequential interaction of the traveller with Travel Service Providers (TSP) services/systems integrated into the IP4 ecosystem. • Responsible of the Lisbon demonstration. Expected Results: • Collaboration with IP4 projects to support the execution of three demonstrations (Lisbon, Malaga and Central-East Corridor) • Increase Cefriel visibility in Shift2Rail IP4 and establish new collaborations with European Transport authorities and operators. www.shift2maas.eu
  12. 12. 12copyright © 2019 Cefriel – All rights reserved TIMING 2018/12-2020/12 PROJECT OBJECTIVES Improve the Interoperability Framework (IF) performance and scalability. Simplify/automate all the steps needed to integrate new services in the Shift2rail ecosystem. MAIN PARTNERS UITP, UNIFE, Trenitalia, PoliMi, Oltis, UPM FUNDING AGENCY Cefriel role and responsibilities in the project • Technical coordinator of the project. • Clarify the high-level vision of the Interoperability Framework, in terms of architecture, components and deployment/scalability options. • Mature the Asset Manager component (catalogue/registry of assets with their semantic description and lifecycle management) • Develop an end-to-end Converter component to translate between different data standards with an ontology-mediated approach • Contribute to the definition of a global reference ontology for transport Expected Results: • Improved and stable version of the Asset Manager and the Converter components • Testing and evaluation of the overall architecture www.sprint-transport.eu
  13. 13. 13copyright © 2019 Cefriel – All rights reserved TIMING 2019/01-2019/12 PROJECT OBJECTIVE Launch of a new product/service to the main target markets in Europe that enables the conversion of transportation data into EU-mandated standards. PARTNERS Engineering, UPM, Università di Genova FUNDING AGENCY Cefriel role and responsibilities in the project: • Business Champion and Activity Leader • Perform the market survey • Requirements collection from the involved customers (SEA Aeroporti, Consorzio del Trasporto Pubblico di Madrid, Autorità del Porto di Genova) • Marketing and sales of the solution • Technology provider for semantic interoperability solutions • Collaborate with UPM and Engineering for the design and development of the SNAP solution: a transportation data converter developed using semantic technologies Expected Results: • Contributions to the definition of the Transmodel ontology • Market analysis and definition of the SNAP value proposition • Design and development of the SNAP solution • Marketing and engagement of the targeted audience • Launch of the SNAP solution to the main target markets in Europe www.snap-project.eu
  14. 14. from ideation to business value 14 Human Computation copyright © 2019 Cefriel – All rights reserved
  15. 15. Active involvement of human-in-the-loop into data and knowledge organization/refinement processes Cefriel has successfully designed, implemented, deployed and evaluated a set of playful applications – both Web-based and mobile apps – to engage target user groups in the collection, update, ranking, validation of data and information OUR SOLUTIONS • Awareness creation, participation, social innovation • Playful incentives and conversational tools for people engagement • Human contribution aggregation and analysis • Contribution and participation analysis, user modelling • Human-in-the-loop for improved machine learning workflow CHALLENGES • Engage human contributors in knowledge processing workflows • Exploit playful incentives to collect data from users • Improve data processing by combining human and machine intelligence HUMAN COMPUTATION copyright © 2019 Cefriel – All rights reserved • Crowdsourcing • Citizen Science • Social Innovation • Human-in-the-loop • Computational Social Science • Explainable AI • Games with a Purpose • Gamification • Collective Awareness
  16. 16. HUMAN COMPUTATION: OUR OFFER User engagement • Design gamification incentives to participation • Adopt storytelling to stimulate behavioural change • Create intuitive and conversational interactions Data collection • Adopt a “human as a sensor” approach • Embed data collection tasks in gaming applications • Administer survey through enjoyable interfaces Data curation • Embed data verification or correction tasks in gaming applications • Use cross-validation to aggregate human contributions • Create high quality training sets Human+machine intelligence • Apply active learning for incremental model improvement • Engage people in generating or refining human-understandable explanations
  17. 17. SOLUTION: GAMES WITH A PURPOSE FOR DATA LINKING Research Questions: • How to incentivise people to participate to the creation of high-quality training sets for machine learning through games? • How to easily create games with a purpose for data linking with incremental truth inference? • Potential usages: • Media classification and text annotation • Training set creation or validation/improvement • Features: • Simple and reusable game mechanics • Effective data collection and aggregation • Open source code and tutorial G. Re Calegari, A. Fiano and I. Celino: "A Framework to build Games with a Purpose for Linked Data Refinement", ISWC 2018, Best Paper Award, LNCS Vol. 11137, 2018 GWAP Enabler framework: https://github.com/STARS4ALL/gwap-enabler GWAP Enabler tutorial: https://github.com/STARS4ALL/gwap-enabler-tutorial
  18. 18. SOLUTION: CONVERSATIONAL SURVEY Research Questions: • How to improve through a chat interface a questionnaire administration in terms of user attention and retention, while maintaining the survey’s reliability and validity? • Potential usages: • Participatory research and citizen science • Employee engagement and skill assessment • Market research and psychometrics • Features: • Innovative interaction pattern that brings qualitative research advantages in quantitative research surveys • Improved user experience with reliable and valid approach • Complete toolkit for survey design, administration and analysis Demo: http://bit.ly/try-coney
  19. 19. Cefriel role in the project • Citizen Sensing, Gamification and Crowdsourcing Analytics 19copyright © 2019 Cefriel – All rights reserved TIMING 2016/01 – 2018/12 PROJECT OBJECTIVE Help to reduce light pollution so to let everybody enjoy stars at night by creating a Light Pollution Initiative (LPI) incubation platform that will allow generating (and maintaining) customizable on- demand domain-focused LPIs MAIN PARTNERS UPM, SOTON, UCM, IAC, IGB FUNDING AGENCY Results • Games with a Purpose to foster user participation in citizen science  Night Knights for image classification: https://www.nightknights.eu/ • Serious Games to create awareness about light pollution  Stars Beat: https://starsbeat.stars4all.eu/ • Analytics tools for validation of crowdsourcing activities • Main idea: use gamification to engage people Publications • G. Re Calegari, A. Fiano and I. Celino: "A Framework to build Games with a Purpose for Linked Data Refinement", in proceedings of ISWC 2018, Best Paper Award, LNCS Volume 11137, pp. 154-169, 2018. • G. Re Calegari and I. Celino: "Interplay of Game Incentives, Player Profiles and Task Difficulty in Games with a Purpose", in proceedings of EKAW 2018, LNAI Volume 11313, pp. 306-321, 2018. • G. Re Calegari, G. Nasi and I. Celino: "Human Computation vs. Machine Learning: an Experimental Comparison for Image Classification", Human Computation Journal, vol. 5, issue 1, pp. 13-30, 2018. • S. Schroer, C. Kyba, R. van Grunsven, I. Celino, O. Corcho, F. Hölker: “Citizen science to monitor light pollution – a useful tool for studying human impacts on the environment”, in “Citizen Science – Innovation in Open Science, Society and Policy”, UCL Press, London, 2018.
  20. 20. 20copyright © 2019 Cefriel – All rights reserved TIMING 2016/01 – 2017/12 PROJECT OBJECTIVE Digital platform for the co-creation of Smart City services together with all key stakeholders, citizens, administrations and service providers, to shape, design, test and implement the Smart City MAIN PARTNERS Alfstore, TUB, Nexus FUNDING AGENCY Cefriel role in the project • Multi-purpose Gamified Apps for the City Co-creation • Software framework to build multi-purpose gamified apps to involve citizens • Gamification to engage the citizens in the co-creation Results • Talkin’Piazza location-based app to let citizens “chat” with urban objects: http://bit.ly/talkinpiazza • Main idea: use fun to engage citizen in a “conversation” with their city 1. collect their answer to city questions 2. give them information (chatbot on E015 API or other data source) Publications • Irene Celino, Gloria Re Calegari, Andrea Fiano: "Towards Talkin'Piazza: Engaging citizens through playful interaction with urban objects", in Proceedings of the 2nd IEEE International Smart Cities Conference, 2016. • Paolo Cappello, Marco Comerio and Irene Celino: "BotDCAT-AP: An Extension of the DCAT Application Profile for Describing Datasets for Chatbot Systems", 4th International Workshop on Dataset PROFIling and fEderated Search for Web Data, co-located with ISWC 2017, CEUR Vol. 1927, 2017.
  21. 21. 21copyright © 2019 Cefriel – All rights reserved TIMING 2017/01 – 2017/12 PROJECT OBJECTIVE Create participative communities to model young drivers’ actual decision-making and, meanwhile, to train young people on road safety through positive models and entertaining feedbacks MAIN PARTNERS BSD, TUD, Alfstore, Innovalor FUNDING AGENCY Cefriel role in the project • Gamified crowdsourcing and analytics for decision-making data • Cross-media suite of gameful digital tools to engage young people • Promotion of a road safety culture and sense-making of attitudes and choices • Project coordinator Results • Ninja Stories psychographics app to solicit young people to evaluate concrete scenarios where decision- making is influenced by personal and social contexts: https://play.google.com/store/apps/d etails?id=com.matters.ninjastories • Foundation of Matters s.r.l., the innovative startup to bring Ninja Stories to the market • Main idea: use a chat interface and storytelling to collect data and stimulate behavioural change Publications • Irene Celino, Oscar Corcho, Franz Hölker and Elena Simperl: "Citizen Science: Design and Engagement (Dagstuhl Seminar 17272)", Dagstuhl Reports 4(7), pp. 22-43, DOI: 10.4230/DagRep.7.7.22, 2018.
  22. 22. 22copyright © 2019 Cefriel – All rights reserved TIMING 2018/01 – 2018/12 PROJECT OBJECTIVE Help consumer banks to continuously deliver the best mobile banking experience, through anonymous behavioural data analysis, enriched with online customers' feedbacks MAIN PARTNERS Alfstore, DFKI FUNDING AGENCY Cefriel role in the project • Design and development of an embeddable chat-survey to collect customer feedbacks within the banking experience • Analysis of customer attitude and preferences towards mobile banking from collected data with definition of behavioural indicators Results • Bankable conversational survey component, embeddable in any web site for customer interaction, with basic drag-and-drop questionnaire design editor • Realization of a quantitative survey tool with characteristics of qualitative research methods (i.e. interview) • Analysis of customer attitude and preferences towards mobile banking, showing the main factors influencing adoption and retention • Main idea: use a chat interface to submit a quantitative survey
  23. 23. 23copyright © 2019 Cefriel – All rights reserved TIMING 2018/01 – 2019/06 PROJECT OBJECTIVE “Sharing Power Information for Citizen Awareness” Collect information from home- installed sensors and use them to increase people awareness about energy efficiency interventions FUNDING AGENCY Cefriel role in the project • Gamification approach to stimulate participation, awareness raising, behavioural change (cost saving, sustainable behaviour, energy efficiency, healthy living) through sensor data visualization and other participatory activities Results • Design and development of a web responsive app for the pilot participants • Integration/visualization of sensor data • Addition of games, quizzes and leaderboard to increase participation and raise awareness • Main idea: gamification as a means to behavioural impact
  24. 24. Cefriel role in the project • Provide digital and methodological tools to support citizen science initiatives in the engagement of volunteer participants to data collection and analysis 24copyright © 2019 Cefriel – All rights reserved TIMING 2019/02 – 2022/01 PROJECT OBJECTIVE Transform the way we do citizen science today: from a mostly scientist-led process to a more participatory, inclusive, citizen-led one, which acknowledges the landscape diversity and of the project evolution challenges MAIN PARTNERS SOTON, UPM, T6, Drift, IGB FUNDING AGENCY Results • Complete CONEY toolkit to design, administer and analyse results of conversational surveys • Survey ontology to represent and share survey data in an Open Science fashion: https://w3id.org/survey-ontology • Comparative investigation of motivation to participate to citizen science • Main idea: simplify survey design, administration and evaluation for citizen science projects Publications • D. Scandolari, G. Re Calegari, M. Scrocca and I. Celino: "CONEY: A CONversational survEY Toolkit", Proceedings of CHItaly (Poster), Padova, September 2019. • D. Scandolari, M. Scrocca, G. Re Calegari and I. Celino: "Coney: A Conversational Approach to Enhance Engagement in Surveys", Proceedings of the Open Science Fair 2019 (Demo), Porto, September 2019.
  25. 25. MILANO viale Sarca 226, 20126, Milano - Italy LONDON 4th floor 57 Rathbone Place London W1T 1JU – UK NEW YORK 23rd Floor 165 Broadway One Liberty Plaza New York City, New York 10006 – USA Cefriel.com This document has been developed by Cefriel in an original manner. It is shared with the Customer exclusively for its internal and non commercial use. It is confidential material owned by Cefriel, under no rights of third parties. Such document or part of its contents can not be reproduced, distributed, disclosed, given or used by third parties without a previous written permission by Cefriel. The drawings, tables, data or any other kind of information, also written or designed, contained in this document are confidential material owned by Cefriel, for which eventually Cefriel has obtained the requested authorizations by the legitimate owners. All the trademarks (and/or any other reference) within the document belong to their legitimate owners and are published in compliance with the regulations in force.

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