Heikki Rantala
Postdoctoral Researcher
Postdoctoral Researcher
T313 Dept. Computer Science
Full researcher profile
https://research.aalto.fi/...
Sähköposti
heikki.rantala@aalto.fi
Julkaisut
SampoSampo : A Portal for Studying Enriched Data and Semantic Connections on a Cultural Heritage Linked Open Data Cloud
Eero Hyvönen, Petri Leskinen, Annastiina Ahola, Heikki Rantala, Jouni Tuominen
2026
The Semantic Web : ESWC 2025 Satellite Events, Proceedings
PM-Sampo : Semantic Portal for Heritage Object Provenance Research
Sarah Binta Alam Shoilee, Annastiina Ahola, Heikki Rantala, Eero Hyvönen, Victor de Boer, Jacco van Ossenbruggen, Susan Legene
2026
The Semantic Web : ESWC 2025 Satellite Events, Proceedings
Using Legislative Change History of Statutes Based on a Linked Open Data Knowledge Graph
Aija Valleala, Eero Hyvönen, Heikki Rantala, Jouni Tuominen
2026
Knowledge Graphs and Semantic Web - 7th International Conference, KGSWC 2025, Proceedings
ArtSampo – Finnish Art on the Semantic Web
Annastiina Ahola, Heikki Rantala, Eero Hyvönen
2025
The Semantic Web: ESWC 2024 Satellite Events
Digital Humanities on the Semantic Web for visual, literary, and performing arts: Demonstrating ArtSampo, BookSampo, and OperaSampo Linked Open Data services and semantic portals
Annastiina Ahola, Eero Hyvönen, Heikki Rantala, Rafael Leal, Anne Kauppala
2025
How to Add a User Interface on Top of an External SPARQL Endpoint : Case Nobel Prize Sampo
Niks Kristofers Grislis, Kārlis Čerāns, Mikus Grasmanis, Heikki Rantala, Eero Hyvönen
2025
ConfermentSampo - A Knowledge Graph, Data Service, and Semantic Portal for Intangible Academic Cultural Heritage 1643-2023 in Finland
Eero Hyvönen, Patrik Boman, Heikki Rantala, Annastiiina Ahola, Petri Leskinen
2025
Knowledge Graphs and Semantic Web
How to Create a Portal for Digital Humanities Research Using a Linked Open Data Cloud of Cultural Heritage Knowledge Graphs: Case SampoSampo
Eero Hyvönen, Petri Leskinen, Annastiina Ahola, Heikki Rantala, Jouni Tuominen
2025
Proceedings of the Second International Workshop of Semantic Digital Humanities (SemDH 2025)
LetterSampo Finland (1809–1917) Data Service and Portal: Searching, Exploring, and Analyzing Historical Letters and Their Underlying Networks
Eero Hyvönen, Petri Leskinen, Henna Poikkimäki, Heikki Rantala, Jouni Tuominen, Senka Drobac, Ossi Koho, Ilona Pikkanen, Hanna Leena Paloposki
2025
The Semantic Web
Searching and Analyzing Cross-Border Multilingual Legislation on the Semantic Web
Eero Hyvönen, Hien Cao, Rafael Leal, Heikki Rantala, Aki Hietanen
2025
The Semantic Web
The Impact of Human Decision-making on the Research Value of Archaeological Data
Michael Lewis, Eljas Oksanen, Frida Ehrnsten, Heikki Rantala, Jouni Tuominen, Eero Hyvönen
2025
Journal on Computing and Cultural Heritage
Publishing, exploring, and analyzing cultural heritage linked data
Heikki Rantala
2025
Searching and Analyzing Coin Finds with a Linked Data Based Web Application
Heikki Rantala, Eljas Oksanen, Frida Ehrnsten, Eero Hyvönen
2025
The Semantic Web
Bridging Data Gaps : Harnessing Semantic Associations for Knowledge Discovery in Colonial Heritage
Sarah Binta Alam Shoilee, Victor de Boer, Annastiina Ahola, Heikki Rantala, Eero Hyvönen, Jacco van Ossenbruggen, Susan Legene
2025
K-CAP 2025 - Proceedings of the 13th Knowledge Capture Conference 2025
Enhancing Provenance Research with Linked Data: A Visual Approach to Knowledge Discovery
Sarah Binta Alam Shoilee, Annastiina Ahola, Heikki Rantala, Eero Hyvönen, Victor de Boer, Jacco van Ossenbruggen, Susan Legene
2025
Proceedings of the Second International Workshop of Semantic Digital Humanities (SemDH 2025)
Historical Opera and Music Theatre Performances on the Semantic Web: OperaSampo 1830-1960
Annastiina Ahola, Eero Hyvönen, Heikki Rantala, Anne Kauppala
2024
Knowledge Graphs in the Age of Language Models and Neuro-Symbolic AI
Using generative AI and LLMs to enrich art collection metadata for searching, browsing, and studying art history in Digital Humanities
Annastiina Ahola, Lilli Peura, Rafael Leal, Heikki Rantala, Eero Hyvönen
2024
A Model and Case Study for Searching and Reading Cross-Border Multilingual Legislation on the Semantic Web
Eero Hyvönen, Hien Cao, Rafael Leal, Heikki Rantala, Aki Hietanen
2024
Knowledge Graphs in the Age of Language Models and Neuro-Symbolic AI
Kansalaistiedettä Helsingin yliopistossa - Löytösampo kokoaa kansalaisten arkeologiset löydöt semanttisessa webissä
Eero Hyvönen, Eljas Oksanen, Heikki Rantala, Jouni Tuominen
2024
Publishing and Using Parliamentary Linked Data on the Semantic Web: ParliamentSampo System for Parliament of Finland
Eero Hyvönen, Laura Sinikallio, Petri Leskinen, Senka Drobac, Rafael Leal, Matti La Mela, Jouni Tuominen, Henna Poikkimäki, Heikki Rantala
2024
Semantic Web
OperaSampo: Enhancing Digitally Historical Music Theatre Performance Culture
Anne Kauppala, Annastiina Ahola, Heikki Rantala, Eero Hyvönen
2024
Semantic Solutions for Democratizing Archaeological and Numismatic Data Analysis
Eljas Oksanen, Frida Ehrnsten, Heikki Rantala, Eero Hyvönen
2024
Journal on Computing and Cultural Heritage
Publishing Numismatic Public Finds on the Semantic Web for Digital Humanities Research – CoinSampo Linked Open Data Service and Semantic Portal
Heikki Rantala, Eljas Oksanen, Frida Ehrnsten, Eero Hyvönen
2024
CEUR Workshop Proceedings
Representing and Searching Associations in Cultural Heritage Knowledge Graphs Using Faceted Search
Heikki Rantala, Petri Leskinen, Lilli Peura, Eero Hyvönen
2024
Knowledge Graphs in the Age of Language Models and Neuro-Symbolic AI
A User Interface Model for Digital Humanities Research : Case BookSampo – Finnish Fiction Literature on the Semantic Web
Annastiina Ahola, Eero Hyvönen, Heikki Rantala
2023
Publishing and Studying Historical Opera and Music Theatre Performances on the Semantic Web: Case OperaSampo 1830–1960
Annastiina Ahola, Eero Hyvönen, Heikki Rantala, Anne Kauppala
2023
CEUR Workshop Proceedings
Casting the net far and wide: Aggregating and harmonizing epistolary metadata in collaboration with cultural heritage institutions
Senka Drobac, Johanna Enqvist, Petri Leskinen, Muhammad Wahjoe, Heikki Rantala, Mikko Koho, Ilona Pikkanen, Iida Jauhiainen, Jouni Tuominen, Hanna Leena Paloposki, Matti La Mela, Eero Hyvönen
2023
The Laborious Cleaning: Acquiring and Transforming 19th-Century Epistolary Metadata
Senka Drobac, Johanna Enqvist, Petri Leskinen, Muhammad Wahjoe, Heikki Rantala, Mikko Koho, Ilona Pikkanen, Iida Jauhianinen, Jouni Tuominen, Hanna Leena Paloposki, Matti La Mela, Eero Hyvönen
2023
Digital Humanities in the Nordic and Baltic Countries Publications
DigiNUMA ja Rahasampo – uusi digitaalinen palvelu rahalöydöistä kiinnostuneille
Frida Erhnsten, Eljas Oksanen, Heikki Rantala, Eero Hyvönen
2023
Numismaattinen aikakauslehti
Integrating Faceted Search with Data Analytic Tools in the User Interface of ParliamentSampo – Parliament of Finland on the Semantic Web
Eero Hyvönen, Petri Leskinen, Heikki Rantala
2023
OperaSampo – Opera and Music Theatre Performances in Finland 1830–1960 on the Semantic Web
Eero Hyvönen, Annastiina Ahola, Heikki Rantala, Anne Kauppala
2023
Proceedings of the ISWC 2023 Posters, Demos and Industry Tracks: From Novel Ideas to Industrial Practice co-located with 21st International Semantic Web Conference (ISWC 2023)
ParliamentSampo Infrastructure for Publishing the Plenary Speeches and Networks of Politicians of the Parliament of Finland as Open Data Services
Eero Hyvönen, Petri Leskinen, Laura Sinikallio, Senka Drobac, Rafael Leal, Matti La Mela, Jouni Tuominen, Henna Poikkimäki, Heikki Rantala
2023
Plenary Speeches of the Parliament of Finland as Linked Open Data and Data Services
Eero Hyvönen, Laura Sinikallio, Petri Leskinen, Senka Drobac, Rafael Leal, Matti La Mela, Jouni Tuominen, Henna Poikkimäki, Heikki Rantala
2023
CEUR Workshop Proceedings
Finding and explaining relations in a biographical knowledge graph based on life events : Case BiographySampo
Heikki Rantala, Eero Hyvönen, Jouni Tuominen
2023
CEUR Workshop Proceedings
How to create easily a data analytic semantic portal on top of a SPARQL endpoint: introducing the configurable Sampo-UI framework
Heikki Rantala, Annastiina Ahola, Esko Ikkala, Eero Hyvönen
2023
CEUR Workshop Proceedings
How to Search and Contextualize Scenes inside Videos for Enriched Watching Experience: Case Stories of the Second World War Veterans
Eero Hyvönen, Esko Ikkala, Mikko Koho, Rafael Leal, Heikki Rantala, Minna Tamper
2022
The Semantic Web: ESWC 2022 Satellite Events
Linked Data - A Paradigm Shift for Publishing and Using Biography Collections on the Semantic Web
Eero Hyvönen, Petri Leskinen, Minna Tamper, Heikki Rantala, Esko Ikkala, Jouni Tuominen, Kirsi Keravuori
2022
CEUR Workshop Proceedings
Sampo-UI: A Full Stack JavaScript Framework for Developing Semantic Portal User Interfaces
Esko Ikkala, Eero Hyvönen, Heikki Rantala, Mikko Koho
2022
Semantic Web - Interoperability, Usability, Applicability
Building Lightweight Ontologies for Faceted Search with Named Entity Recognition : Case WarMemoirSampo
Mikko Koho, Rafael Leal, Esko Ikkala, Minna Tamper, Heikki Rantala, Eero Hyvönen
2022
CEUR Workshop Proceedings
Digital Humanities and Military History
Mikko Koho, Heikki Rantala, Eero Hyvönen
2022
CEUR Workshop Proceedings
WarMemoirSampo
Rafael Leal, Heikki Rantala, Mikko Koho, Esko Ikkala, Minna Tamper, Markus Merenmies, Eero Hyvönen
2022
CEUR Workshop Proceedings
Analyzing the Lives of Finnish Academic People 1640-1899 in Nordic and Baltic Countries
Petri Leskinen, Eero Hyvönen, Heikki Rantala
2022
CEUR Workshop Proceedings
Digital Humanities Solutions for pan-European Numismatic and Archaeological Heritage Based on Linked Open Data
Eljas Oksanen, Heikki Rantala, Jouni Tuominen, Michael Lewis, David Wigg-Wolf, Frida Ehrnsten, Eero Hyvönen
2022
CEUR Workshop Proceedings
FindSampo: A Linked Data Based Portal and Data Service for Analyzing and Disseminating Archaeological Object Finds
Heikki Rantala, Esko Ikkala, Ville Rohiola, Mikko Koho, Jouni Tuominen, Eljas Oksanen, Anna Wessman, Eero Hyvönen
2022
The Semantic Web - 19th International Conference, ESWC 2022, Proceedings
Harmonizing and Using Numismatic Linked Data in Digital Humanities Research and Application Development: Case DigiNUMA
Heikki Rantala, Eljas Oksanen, Eero Hyvönen
2022
The Semantic Web: ESWC 2022 Satellite Events
WarVictimSampo 1914–1922: a National War Memorial on the Semantic Web for Digital Humanities Research and Applications
Heikki Rantala, Ilkka Jokipii, Esko Ikkala, Eero Hyvönen
2022
Journal on Computing and Cultural Heritage
Constellations of Correspondence
Jouni Tuominen, Mikko Koho, Ilona Pikkanen, Senka Drobac, Johanna Enqvist, Eero Hyvönen, Matti La Mela, Petri Leskinen, Hanna Leena Paloposki, Heikki Rantala
2022
CEUR Workshop Proceedings
Akatemiasampo-portaali ja -datapalvelu henkilöiden ja henkilöryhmien historialliseen tutkimukseen (AcademySampo Portal and Data Service for Biographical and Prosopographical Research)
Eero Hyvönen, Petri Leskinen, Heikki Rantala, Esko Ikkala, Jouni Tuominen
2021
Informaatiotutkimus
Biografiasampo yhdistää ja rikastaa suomalaiset elämäkerrat linkitettynä datana semanttisessa webissä (Biographysampo links and enriches Finnish biographies as linked data on the Semantic Web
Eero Hyvönen, Petri Leskinen, Minna Tamper, Heikki Rantala, Esko Ikkala, Jouni Tuominen, Kirsi Keravuori
2021
Informaatiotutkimus
Citizen science archaeological finds on the Semantic Web
Eero Hyvönen, Heikki Rantala, Esko Ikkala, Mikko Koho, Jouni Tuominen, Babatunde Anafi, Suzie Thomas, Anna Wessman, Eljas Oksanen, Ville Rohiola, Jutta Kuitunen, Minna Ryyppö
2021
Antiquity
Knowledge-based Relational Search in Cultural Heritage Linked Data
Eero Hyvönen, Heikki Rantala
2021
Digital Scholarship in the Humanities
Using FindSampo Linked Open Data Service and Portal for Spatio-temporal Data Analysis of Archaeological Finds in Digital Humanities
Heikki Rantala, Esko Ikkala, Mikko Koho, Jouni Tuominen, Ville Rohiola, Eero Hyvonen
2021
CEUR Workshop Proceedings
Building a Linked Open Data Portal of War Victims in Finland 1914-1922
Heikki Rantala, Ilkka Jokipii, Mikko Koho, Esko Ikkala, Jouni Tuominen, Eero Hyvönen
2020
Proceedings of the Digital Humanities in the Nordic Countries 5th Conference
Creating the HISTO Ontology of Finnish History Events
Heikki Rantala, Eero Hyvönen, Esko Ikkala
2020
Data for History 2020: Modelling Time, Places, Agents
WarVictimSampo 1914-1922: A Semantic Portal and Linked Data Service for Digital Humanities Research on War History
Heikki Rantala, Esko Ikkala, Ilkka Jokipii, Mikko Koho, Jouni Tuominen, Eero Hyvönen
2020
The Semantic Web: ESWC 2020 Satellite Events
An Ontology of Finnish Historical Occupations
Lia Gasbarra, Mikko Koho, Ilkka Jokipii, Heikki Rantala, Eero Hyvönen
2019
The Semantic Web: ESWC 2019 Satellite Events
BiographySampo – Publishing and enriching biographies on the semantic web for digital humanities research
Eero Hyvönen, Petri Leskinen, Minna Tamper, Heikki Rantala, Esko Ikkala, Jouni Tuominen, Kirsi Keravuori
2019
The Semantic Web - 16th International Conference, ESWC 2019, Proceedings
Demonstrating BiographySampo in Solving Digital Humanities Research Problems in Biography and Prosopography
Eero Hyvönen, Petri Leskinen, Minna Tamper, Heikki Rantala, Esko Ikkala, Jouni Tuominen, Kirsi Keravuori
2019
Knowledge-based relation discovery in cultural heritage knowledge graphs
Eero Hyvönen, Heikki Rantala
2019
CEUR Workshop Proceedings
AMMO ontology of Finnish historical occupations
Mikko Koho, Lia Gasbarra, Jouni Tuominen, Heikki Rantala, Ilkka Jokipii, Eero Hyvönen
2019
CEUR Workshop Proceedings