Searched for: subject%3A%22DSC%255C%2B%255C-%255C%2BData%255C%2BScience%22
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Lu, Y.J. (author), Zhang, H. (author), Ngo, C.W. (author), de Boer, M. (author), Schavemaker, J. (author), Schutte, K. (author), Kraaij, W. (author)
0-Shot System - The simple exact matching performs the best - The quality of concepts selected to represent an event is more important than quantity - It's an open problem of how to harness the ontology-based mapping MER System - In key evidence localization, we emphasize the event relevancy first, then the hot concepts - We recommend three...
conference paper 2020
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de Boer, M. (author), Nouwt, B. (author), van Bekkum, M. (author)
Big Data Applications (BDAs) are used to support a decision making process, but their developers and users are often unaware of the exact uncertainties that underlie the output of BDAs. In this paper we present a System for Uncertainty Decision Support (SUDS) as a generic plug-in for BDAs that aims to give both developers and users more insight...
conference paper 2017
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Raaijmakers, S.A. (author), Sappelli, M. (author), Kraaij, W. (author)
In this short paper, we address the interpretability of hidden layer representations in deep text mining: deep neural networks applied to text mining tasks. Following earlierwork predating deep learning methods, we exploit the internal neural network activation (latent) space as a source for performing k-nearest neighbor search, looking for...
conference paper 2017
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de Boer, M.H. (author), Oggero, S. (author), van Bekkum, M.A. (author), Bomhof, F.W. (author), Hillerström, F.H.J. (author), Knegjens, R.J. (author), Kruithof, M.C. (author), Neumann, N.M.P. (author), Dijk, J. (author)
conference paper 2017
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de Boer, M.H.T. (author), Lu, Y.J. (author), Zhang, H. (author), Schutte, K. (author), Ngo, C.W. (author), Kraaij, W. (author)
Searching in digital video data for high-level events, such as a parade or a car accident, is challenging when the query is textual and lacks visual example images or videos. Current research in deep neural networks is highly beneficial for the retrieval of high-level events using visual examples, but without examples it is still hard to (1)...
article 2017
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de Boer, M.H.T. (author), Bouma, H. (author), Kruithof, M.C. (author), ter Haar, F.B. (author), Fischer, N.M. (author), Hagendoorn, L.K. (author), Joosten, B. (author), Raaijmakers, S. (author)
The information available on-line and off-line, from open as well as from private sources, is growing at an exponential rate and places an increasing demand on the limited resources of Law Enforcement Agencies (LEAs). The absence of appropriate tools and techniques to collect, process, and analyze the volumes of complex and heterogeneous data...
conference paper 2017
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Pingen, G.L.J. (author), de Boer, M.H.T. (author), Aly, R.B.N. (author)
conference paper 2017
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Moreira, J. (author), Daniele, L.M. (author), Pires, L.F. (author), Sinderen, M.V. (author), Wasielewska, K. (author), Szmeja, P. (author), Pawłowski, W. (author), Ganzha, M. (author), Paprzycki, M. (author)
conference paper 2017
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Kraaij, W. (author)
public lecture 2017
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Awad, G. (author), Kraaij, W. (author), Over, P. (author), Satoh, S. (author)
This paper presents an overview of the Video instance search benchmark which was run over a period of 6years (2010–2015) as part of the TREC Video Retrieval workshopseries.The main contributions of the paper include (i) an examination of the evolving design of the evaluation framework and its components (system tasks, data, measures); (ii) an...
article 2017
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Stolwijk, C.C.M. (author), Punter, L.M. (author)
This report is intended as a contribution to the OECD project called Next Production Revolution on behalf of the Netherlands. The Next Production Revolution exams the impacts and policy implications of emerging production technologies. The focus of the Next Production Revolution project is on specific policy themes, including issues associated...
report 2017
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van Lieshout, M.J. (author), Kraaij, W. (author), Molema, H. (author)
Many people today use wearable devices and do-it-yourself (diy) tests to monitor their health. While doing so, they generate massive amounts of personal data, such as data about daily activities, heart rate, blood parameters and sleep. Rearch shows that many people are willing to share their data with healthcare providers even app providers when...
other 2017
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van Kraaij, W. (author)
public lecture 2017
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Oosterheert, L. (author)
Semantic Treehouse is the online platform that supports the management of semantic data models. What makes Semantic Treehouse unique is that it combines the publication, maintenance and governance for your data models in one place. Semantic Treehouse is based on more than 10 years of experience with developing, maintaining and sharing data...
other 2017
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de Boer, M.H.T. (author)
In the modern world, networked sensor technology makes it possible to capture the world around us in real-time. In the security domain cameras are an important source of information. Cameras in public places, bodycams, drones and recordings with smart phones are used for real time monitoring of the environment to prevent crime (monitoring case);...
doctoral thesis 2017
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Rodriguez-Espindola, O. (author), Albores, P. (author), Brewster, C. (author)
article 2017
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Koldijk, S. (author), Kraaij, W. (author), Neerincx, M.A. (author)
BACKGROUND: Stress in office environments is a big concern, often leading to burn-out. New technologies are emerging, such as easily available sensors, contextual reasoning, and electronic coaching (e-coaching) apps. In the Smart Reasoning for Well-being at Home and at Work (SWELL) project, we explore the potential of using such new pervasive...
article 2016
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Verberne, S. (author), Wabeke, T. (author), Kaptein, R. (author)
In this paper, we evaluate query suggestion for Boolean queries in a news monitoring system. Users of this system receive news articles that match their running query on a daily basis. Because the news for a topic continuously changes, the queries need regular updating. We first investigated the users' working process through interviews and then...
conference paper 2016
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Verberne, S. (author), Arends, B. (author), Kraaij, W. (author), de Vries, A. (author)
We have collected the access logs for our university's web domain over a time span of 4.5 years. We now release the pre-processed data of a 3-month period for research into user navigation behavior. We preprocessed the data so that only successful GET requests of web pages by non-bot users are kept. The resulting 3-month collection comprises 9...
conference paper 2016
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van den Berg, J. (author), Rudinac, S. (author), Worring, M. (author)
The potential of mining tourist information from social multimedia data gives rise to new applications offering much richer impressions of the city. In this paper we propose Scenemash, a system that generates multimodal summaries of multiple alternative routes between locations in a city. To get insight into the geographic areas on the route, we...
conference paper 2016
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