In this digital cultural heritage project, we provide innovative access to heritage objects from heterogeneous online collections. We use historical events and event narratives as a context both for searching and browsing as well as for the presentation of individual and group of objects. Semantics from existing collection vocabularies and linked data vocabularies are used to link objects and the events, people, locations and concepts that are depicted or associated with those objects. An innovative interface allows for browsing this network of data in an intuitive fashion. The main focus in DIVE is to provide support to (1) digital humanities scholars and (2) general audience in their online explorations.
This months’ edition of Europeana Insight features articles from this year’s LODLAM Challenge finalists, which include the winner: DIVE+. The online article “DIVE+: EXPLORING INTEGRATED LINKED MEDIA” discusses the DIVE+ User studies, data enrichment, exploratory interface and impact on the cultural heritage domain.
The paper was co-authored by Victor de Boer, Oana Inel, Lora Aroyo, Chiel van den Akker, Susane Legene, Carlos Martinez, Werner Helmich, Berber Hagendoorn, Sabrina Sauer, Jaap Blom, Liliana Melgar and Johan Oomen
[This post is based on the BSc. Thesis of Kim van Putten (Computer Science, VU Amsterdam)]
As part of the Bachelor’s degree Computer Science at the VU Amsterdam, Kim van Putten conducted her bachelor thesis in the context of the DIVE+ project .
The DIVE+ demonstrator is an event-centric linked data browser which aims to provide exploratory search within a heterogeneous collection of historical media objects. In order to structure and link the media objects in the dataset, the events need to be identified first. Due to the size of the data collection manually identifying events in infeasible and a more automatic approach is required. The main goal of the bachelor project was to find a more effective way to extract events from the data to improve linkage within the DIVE+ system.
The thesis focused on event extraction from radio news bulletins of which the text content were extracted using optical character recognition (OCR). Data preprocessing was performed to remove errors from the OCR’ed data. A Named Entity Recognition (NER) tool was used to extract named events and a pattern-based approach combined with NER and part-of-speech tagging tools was adopted to find unnamed events in the data. Errors in the data caused by the OCR were found to cause poor performance of the NER tools, even after data cleaning.
The results show that the proposed methodology improved upon the old event extraction method. The newly extracted events improved the searchability of the media objects in the DIVE+ system, however, they did not improve the linkage between objects in the linked data structure. Furthermore,
the pattern-based method of event extraction was found to be too coarse-grained and only allowed for the extraction of one event per object. To achieve a finer granularity of event extraction, future research is necessary to find a way to identify what the relationships between Named Entities and verbs are and which Named Entities and verbs describe an event.
We are excited to announce that DIVE+ has been awarded the Grand Prize at the LODLAM Summit, held at the Fondazione Giorgio Cini this week. The summit brought together ~100 experts in the vibrant and global community of Linked Open Data in Libraries, Archives and Museums. It is organised bi-annually since 2011. Earlier editions were held in the US, Canada and Australia, making the 2017 edition the first in Europe.
The Grand Prize (USD$2,000) was awarded by the LODLAM community. It’s recognition of how DIVE+ demonstrates social, cultural and technical impact of linked data. The Open Data Prize (of USD$1,000) was awarded to WarSampo for its groundbreaking approach to publish open data.
Five finalists were invited to present their work, selected from a total of 21 submissions after an open call published earlier this year. Johan Oomen, head of research at the Netherlands Institute for Sound and Vision presented DIVE+ on day one of the summit. The slides of his pitch have been published, as well as the demo video that was submitted to the open call. Next to DIVE+ (Netherlands) and WarSampo (Finland) the finalists were Oslo public library (Norway), Fishing in the Data Ocean (Taiwan) and Genealogy Project (China). The diversity of the finalists is a clear indication that the use of linked data technology is gaining momentum. Throughout the summit, delegates have been capturing the outcomes of various breakout sessions. Please look at the overview of session notes and follow @lodlam on Twitter to keep track.
DIVE+ is an event-centric linked data digital collection browser aimed to provide an integrated and interactive access to multimedia objects from various heterogeneous online collections. It enriches the structured metadata of online collections with linked open data vocabularies with focus on events, people, locations and concepts that are depicted or associated with particular collection objects. DIVE+ is the result of a true interdisciplinary collaboration between computer scientists, humanities scholars, cultural heritage professionals and interaction designers. DIVE+ is integrated in the national CLARIAH (Common Lab Research Infrastructure for the Arts and Humanities) research infrastructure.
DIVE+ is a research project funded by the NLeSC and lead by Lora Aroyo and is a collaborative effort of the Vrije Universiteit Amsterdam (Victor de Boer, Oana Inel, Lora Aroyo, Chiel van den Akker, Susane Legene), Netherlands Institute for Sound and Vision (Jaap Blom, Liliana Melgar, Johan Oomen), Frontwise (Werner Helmich), University of Groningen (Berber Hagendoorn, Sabrina Sauer) and the Netherlands eScience Centre (Carlos Martinez). It is also supported by CLARIAH and NWO . Read more about the LODLAM prize.
This is the second significant prize for DIVE+, previously we won the 3rd prize at the Semantic Web challenge in 2014.
The LODLAM Challenge was generously sponsored by Synaptica. We would also like to thank the organisers, especially Valentine Charles and Antoine Isaac of Europeana and Ingrid Mason of Aarnet for all of their efforts. LODLAM 2017 has been a truly unforgettable experience for the DIVE+ team.
The DIVE+ team is present on the 21st and 22nd of March at the ICTOpen 2017 conference to present and showcase the latest developments of the tool. As part of the latest developments, DIVE+ is also integrated in the CLARIAH (Common Lab Research Infrastructure for the Arts and Humanities) research infrastructure, next to other media studies research tools (CLARIAH MediaSuite), that aim at supporting the media studies researchers and scholars by providing access to digital data and tools. During the Meet the Demo sessions we also screencast the new DIVE+ interface that provides support for the automatic generation of narratives and storylines. Following you can check the DIVE+ presentation.
For more insights, you can also check our short demo!
On the 10th of March “Narrativizing disruption”, a DIVE+ centered CLARIAH-funded research pilot, was presented at the CLARIAH toog day. The pilot (2017-2018) brings together researchers from the University of Groningen Media Studies department, VU University’s Web & Media group and the University of Amsterdam. The project focuses on the question how exploratory search can support media researchers interpret disruptive media events as lucid narratives. Disruptive media events, such as terrorist attacks or environmental disasters, are difficult to interpret due to an inability to grasp the story. This leads to problems for media scholars, who analyse how narratives construct different political, economic or cultural meanings around such events. Offering media scholars the ability to explore and create lucid narratives about media events therefore greatly supports their interpretative work.
This project studies how exploratory search can help to understand how ‘disruptive’ events are constructed as narratives across media, and instilled with specific cultural-political meanings. This project approaches this question by using CLARIAH components (DIVE+’s navigation and bookmarking pane) to examine how scholars use and create narratives to understand media events. Academic insights conclude how exploratory search supports narrative generation. Software-specific insights produce recommendations at the entity, interface and user level, provide starting points for media research, and recommendations for at the entity, interface and user level, provide starting points for media research, and recommendations for auto-generating narratives based on exploratory search practices.
On 7th of March the DIVE+ project was presented at Cross Media Café: Uit het Lab. DIVE+ is result of a true inter-disciplinary collaboration between computer scientists, humanities scholars, cultural heritage professionals and interaction designers. In this project, we use the CrowdTruth methodology and framework in order to crowdsource events for the news broadcasts from The Netherlands Institute for Sound and Vision (NISV) that are published under open licenses in the OpenImages platform.
As part of the digital humanities effort, DIVE+ is also integrated in the CLARIAH (Common Lab Research Infrastructure for the Arts and Humanities) research infrastructure, next to other media studies research tools, that aims at supporting the media studies researchers and scholars by providing access to digital data and tools. In order to develop this project we work together with eScience Center, which is also funding the DIVE+ project.
Check the slides!
On December 14th the Netherlands eScience Center and the Lorentz Center co-hosted the eHumanities Day at the Lorentz Center in Leiden. The purpose of the event was to introduce researchers from the digital humanities to the funding opportunities and partnering possible with NLeSC and with the Lorentz Center. The day included a keynote presentation, expert panels, pitches on projects that have been running together with NLeSC. During this day, Oana Inel presented the Dive+ project. The talk can be seen below.
On Thursday October 8th 2015, NLeSC welcomed scientists and researchers from all disciplines to the Amsterdam ArenA for the 3rd National eScience Symposium. In the Humanities & Social Sciences track, Oana Inel gave a talk on the Dive+ project , entitled “Open, Connected & Smart Heritage: Towards New Cultural Commons with DIVE+”. This project is supported by the Netherlands eScience Center, and uses CrowdTruth for crowdsourcing events and event-related concepts in historical, cultural heritage data. The talk can be seen below.
Throughout November and December DIVE+ will star in the minor Digital Humanities, specifically in the course Digital Hermeneutics and Visualisation. The minor is a collaboration of both UvA and VU, in which the focus is put on computational approaches in humanities research. The course focusses on the history and practice of Digital Hermeneutics; students will learn to analyse different techniques to present digital data and search results.
During the course the students will use DIVE+ as an example for creating a visualisation of a narrative. They will also evaluate DIVE+, the results of this will be used in a master’s thesis by Annemarie on the usability of DIVE in an educational setting.
Digital Humanities Crash Course
On October 21 Victor hosted a demonstration of DIVE during the Digital Humanities Crash Course at UvA. Approximately 20 participants from different disciplines, mostly humanities, joined the demo. The participants got the opportunity to get a feel for DIVE by playing around with it, and searching for their own preferred research subject.
After exploring DIVE, the participants were asked to fill in a short questionnaire of which we will analyse the results shortly. This evaluation will give us some early feedback on the tool which can be used in further development of the project and in Annemarie’s thesis.