Björn Þór Jónsson

Orcid: 0000-0003-0889-3491

Affiliations:
  • Reykjavík University, Department of Computer Science, Iceland (since 2022)
  • IT University of Copenhagen, Denmark (2017 - 2022)
  • University of Amsterdam, The Netherlands (2015 - 2016)
  • Reykjavik University, School of Computer Science, Iceland (2000 - 2014)
  • University of Maryland, College Park, MD, USA (PhD 1999)


According to our database1, Björn Þór Jónsson authored at least 110 papers between 1996 and 2024.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

Legend:

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Article 
PhD thesis 
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Links

Online presence:

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Bibliography

2024
Immutable in Principle, Upgradeable by Design: Exploratory Study of Smart Contract Upgradeability.
CoRR, 2024

Time-Quality Tradeoff of MuseHash Query Processing Performance.
Proceedings of the MultiMedia Modeling - 30th International Conference, 2024

Multimodal 3D Object Retrieval.
Proceedings of the MultiMedia Modeling - 30th International Conference, 2024


Exquisitor at the Video Browser Showdown 2024: Relevance Feedback Meets Conversational Search.
Proceedings of the MultiMedia Modeling - 30th International Conference, 2024

Multimedia Information Retrieval in XR.
Proceedings of the 32nd ACM International Conference on Multimedia, MM 2024, Melbourne, VIC, Australia, 28 October 2024, 2024

3DMSE: An Interactive 3D Media Search Engine.
Proceedings of the 2024 International Conference on Multimedia Retrieval, 2024

Exquisitor at the Lifelog Search Challenge 2024: Blending Conversational Search with User Relevance Feedback.
Proceedings of the 7th Annual ACM Workshop on the Lifelog Search Challenge, 2024

Introduction to the Seventh Annual Lifelog Search Challenge, LSC'24.
Proceedings of the 2024 International Conference on Multimedia Retrieval, 2024

2023
LAD: an application design model to support the analysis of large-scale personal data collections generated by lifelogging.
Pers. Ubiquitous Comput., December, 2023

Smart Contract Upgradeability on the Ethereum Blockchain Platform: An Exploratory Study.
CoRR, 2023

Comparing Interactive Retrieval Approaches at the Lifelog Search Challenge 2021.
IEEE Access, 2023

Suitability of Nearest Neighbour Indexes for Multimedia Relevance Feedback.
Proceedings of the Similarity Search and Applications - 16th International Conference, 2023

Is Quantized ANN Search Cursed? Case Study of Quantifying Search and Index Quality.
Proceedings of the Similarity Search and Applications - 16th International Conference, 2023

MuseHash: Supervised Bayesian Hashing for Multimodal Image Representation.
Proceedings of the 2023 ACM International Conference on Multimedia Retrieval, 2023

Introduction to the Sixth Annual Lifelog Search Challenge, LSC'23.
Proceedings of the 2023 ACM International Conference on Multimedia Retrieval, 2023

Improving Query and Assessment Quality in Text-Based Interactive Video Retrieval Evaluation.
Proceedings of the 2023 ACM International Conference on Multimedia Retrieval, 2023

User Relevance Feedback and Novices: Anecdotes from Exquisitor's Participation in Interactive Retrieval Competitions.
Proceedings of the 20th International Conference on Content-based Multimedia Indexing, 2023

Chat2Code: A Chatbot for Model Specification and Code Generation, The Case of Smart Contracts.
Proceedings of the IEEE International Conference on Software Services Engineering, 2023

2022
Interactive video retrieval evaluation at a distance: comparing sixteen interactive video search systems in a remote setting at the 10th Video Browser Showdown.
Int. J. Multim. Inf. Retr., 2022

XQM: Search-Oriented vs. Classifier-Oriented Relevance Feedback on Mobile Phones.
Proceedings of the MultiMedia Modeling - 28th International Conference, 2022

A Task Category Space for User-Centric Comparative Multimedia Search Evaluations.
Proceedings of the MultiMedia Modeling - 28th International Conference, 2022

Exquisitor at the Video Browser Showdown 2022.
Proceedings of the MultiMedia Modeling - 28th International Conference, 2022

ViRMA: Virtual Reality Multimedia Analytics at Video Browser Showdown 2022.
Proceedings of the MultiMedia Modeling - 28th International Conference, 2022

Open Challenges of Interactive Video Search and Evaluation.
Proceedings of the MM '22: The 30th ACM International Conference on Multimedia, Lisboa, Portugal, October 10, 2022

Introduction to the Fifth Annual Lifelog Search Challenge, LSC'22.
Proceedings of the ICMR '22: International Conference on Multimedia Retrieval, Newark, NJ, USA, June 27, 2022

ViRMA: Virtual Reality Multimedia Analytics.
Proceedings of the ICMR '22: International Conference on Multimedia Retrieval, Newark, NJ, USA, June 27, 2022

BiasHash: A Bayesian Hashing Framework for Image Retrieval.
Proceedings of the 14th IEEE Image, Video, and Multidimensional Signal Processing Workshop, 2022

Student Perspectives on On-site versus Online Teaching throughout the Covid-19 Pandemic.
Proceedings of the IEEE Frontiers in Education Conference, 2022

BiasUNet: Learning Change Detection over Sentinel-2 Image Pairs.
Proceedings of the CBMI 2022: International Conference on Content-based Multimedia Indexing, Graz, Austria, September 14, 2022

Urban Image Geo-Localization Using Open Data on Public Spaces.
Proceedings of the CBMI 2022: International Conference on Content-based Multimedia Indexing, Graz, Austria, September 14, 2022

Relational Database Performance for Multimedia: A Case Study.
Proceedings of the CBMI 2022: International Conference on Content-based Multimedia Indexing, Graz, Austria, September 14, 2022

2021

Is the Reign of Interactive Search Eternal? Findings from the Video Browser Showdown 2020.
ACM Trans. Multim. Comput. Commun. Appl., 2021

Exquisitor at the Video Browser Showdown 2021: Relationships Between Semantic Classifiers.
Proceedings of the MultiMedia Modeling - 27th International Conference, 2021

XQM: Interactive Learning on Mobile Phones.
Proceedings of the MultiMedia Modeling - 27th International Conference, 2021

PhotoCube at the Lifelog Search Challenge 2021.
Proceedings of the 4th Annual on Lifelog Search Challenge, 2021

XQC at the Lifelog Search Challenge 2021: Interactive Learning on a Mobile Device.
Proceedings of the 4th Annual on Lifelog Search Challenge, 2021

Exquisitor at the Lifelog Search Challenge 2021: Relationships Between Semantic Classifiers.
Proceedings of the 4th Annual on Lifelog Search Challenge, 2021

Impact of Interaction Strategies on User Relevance Feedback.
Proceedings of the ICMR '21: International Conference on Multimedia Retrieval, 2021

Introduction to the Fourth Annual Lifelog Search Challenge, LSC'21.
Proceedings of the ICMR '21: International Conference on Multimedia Retrieval, 2021

LifeMon: A MongoDB-Based Lifelog Retrieval Prototype.
Proceedings of the 4th Annual on Lifelog Search Challenge, 2021

ViRMA: Virtual Reality Multimedia Analytics at LSC 2021.
Proceedings of the 4th Annual on Lifelog Search Challenge, 2021

2020
Exquisitor at the Video Browser Showdown 2020.
Proceedings of the MultiMedia Modeling - 26th International Conference, 2020

Exquisitor at the Lifelog Search Challenge 2020.
Proceedings of the Third ACM Workshop on Lifelog Search Challenge, 2020

Analysis of the Effect of Dataset Construction Methodology on Transferability of Music Emotion Recognition Models.
Proceedings of the 2020 on International Conference on Multimedia Retrieval, 2020

Introduction to the Third Annual Lifelog Search Challenge (LSC'20).
Proceedings of the 2020 on International Conference on Multimedia Retrieval, 2020

VRLE: Lifelog Interaction Prototype in Virtual Reality: Lifelog Search Challenge at ACM ICMR 2020.
Proceedings of the Third ACM Workshop on Lifelog Search Challenge, 2020

Interactive Learning for Multimedia at Large.
Proceedings of the Advances in Information Retrieval, 2020

Virtual Reality Lifelog Explorer: A Prototype for Immersive Lifelog Analytics.
Proceedings of the IEEE International Conference on Artificial Intelligence and Virtual Reality, 2020

2019
Exquisitor: Interactive Learning at Large.
CoRR, 2019

Index Maintenance Strategy and Cost Model for Extended Cluster Pruning.
Proceedings of the Similarity Search and Applications - 12th International Conference, 2019

Integration of Exploration and Search: A Case Study of the M ^3 3 Model.
Proceedings of the MultiMedia Modeling - 25th International Conference, 2019

Exquisitor: Breaking the Interaction Barrier for Exploration of 100 Million Images.
Proceedings of the 27th ACM International Conference on Multimedia, 2019

Exquisitor at the Lifelog Search Challenge 2019.
Proceedings of the ACM Workshop on Lifelog Search Challenge, 2019

2018
Prototyping a Web-Scale Multimedia Retrieval Service Using Spark.
ACM Trans. Multim. Comput. Commun. Appl., 2018

Blackthorn: Large-Scale Interactive Multimodal Learning.
IEEE Trans. Multim., 2018

Introduction to Special Issue of the 23rd International Conference on Multimedia Modeling (MMM 2017).
Multim. Tools Appl., 2018

Dynamicity and Durability in Scalable Visual Instance Search.
CoRR, 2018

Transactional Support for Visual Instance Search.
Proceedings of the Similarity Search and Applications - 11th International Conference, 2018

Scalability of the NV-tree: Three Experiments.
Proceedings of the Similarity Search and Applications - 11th International Conference, 2018

Learning Outcome Outcomes: An Evaluation of Quality.
Proceedings of the IEEE Frontiers in Education Conference, 2018

DeCP-Live: A Web-Interface for DeCP, a Distributed High-Throughput CBIR System.
Proceedings of the 2018 International Conference on Content-Based Multimedia Indexing, 2018

2017
On Competitiveness of Nearest-Neighbor-Based Music Classification: A Methodological Critique.
Proceedings of the Similarity Search and Applications - 10th International Conference, 2017

Towards Engineering a Web-Scale Multimedia Service: A Case Study Using Spark.
Proceedings of the 8th ACM on Multimedia Systems Conference, 2017

Music Genre Classification Revisited: An In-Depth Examination Guided by Music Experts.
Proceedings of the Music Technology with Swing - 13th International Symposium, 2017

uFLIP-OC: Understanding Flash I/O Patterns on Open-Channel Solid-State Drives.
Proceedings of the 8th Asia-Pacific Workshop on Systems, Mumbai, India, September 2, 2017, 2017

2016
Ten Research Questions for Scalable Multimedia Analytics.
Proceedings of the MultiMedia Modeling - 22nd International Conference, 2016

Interactive Multimodal Learning on 100 Million Images.
Proceedings of the 2016 ACM on International Conference on Multimedia Retrieval, 2016

SSD Technology Enables Dynamic Maintenance of Persistent High-Dimensional Indexes.
Proceedings of the 2016 ACM on International Conference on Multimedia Retrieval, 2016

Aligning Quality Assurance at the course unit and educational program levels.
Proceedings of the 2016 IEEE Frontiers in Education Conference, 2016

2015
A Multi-Dimensional Data Model for Personal Photo Browsing.
Proceedings of the MultiMedia Modeling - 21st International Conference, 2015

Presentation of a Web service for video identification based on Videntifier techniques.
Proceedings of the Mobile Devices and Multimedia: Enabling Technologies, 2015

2014
M3 + P3 + O3 = Multi-D Photo Browsing.
Proceedings of the MultiMedia Modeling - 20th Anniversary International Conference, 2014

2012
Impact of Storage Technology on the Efficiency of Cluster-Based High-Dimensional Index Creation.
Proceedings of the Database Systems for Advanced Applications, 2012

Using PhotoCube as an extensible demonstration platform for advanced image analysis techniques.
Proceedings of the 10th International Workshop on Content-Based Multimedia Indexing, 2012

Distributed high-dimensional index creation using Hadoop, HDFS and C++.
Proceedings of the 10th International Workshop on Content-Based Multimedia Indexing, 2012

2011
Dynamic behavior of balanced NV-trees.
Multim. Syst., 2011

PhotoCube: effective and efficient multi-dimensional browsing of personal photo collections.
Proceedings of the 1st International Conference on Multimedia Retrieval, 2011

NV-Tree: nearest neighbors at the billion scale.
Proceedings of the 1st International Conference on Multimedia Retrieval, 2011

2010
uFLIP: Understanding the Energy Consumption of Flash Devices.
IEEE Data Eng. Bull., 2010

Performing sound flash device measurements: some lessons from uFLIP.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2010

Videntifier" Forensic: large-scale video identification in practice.
Proceedings of the 2nd ACM workshop on Multimedia in forensics, security and intelligence, 2010

GPU acceleration of Eff<sup>2</sup> descriptors using CUDA.
Proceedings of the 18th International Conference on Multimedia 2010, 2010

2009
SIGMOD 2009 best demonstration competition.
SIGMOD Rec., 2009

NV-Tree: An Efficient Disk-Based Index for Approximate Search in Very Large High-Dimensional Collections.
IEEE Trans. Pattern Anal. Mach. Intell., 2009

A YARP-based Architectural Framework for Robotic Vision Applications.
Proceedings of the VISAPP 2009 - Proceedings of the Fourth International Conference on Computer Vision Theory and Applications, Lisboa, Portugal, February 5-8, 2009, 2009

Videntifier™ forensic: a new law enforcement service for automatic identification of illegal video material.
Proceedings of the First ACM workshop on Multimedia in forensics, 2009

Videntifier<sup>TM</sup> forensic: robust and efficient detection of illegal multimedia.
Proceedings of the 17th International Conference on Multimedia 2009, 2009

uFLIP: Understanding Flash IO Patterns.
Proceedings of the Fourth Biennial Conference on Innovative Data Systems Research, 2009

2008
Report from the Third International Workshop on Computer Vision Meets Databases (CVDB 2007).
SIGMOD Rec., 2008

Introduction to special issue on Computer Vision meets Databases.
Multim. Tools Appl., 2008

Dynamic behavior of balanced NV-trees.
Proceedings of the International Workshop on Content-Based Multimedia Indexing, 2008

2007
Videntifier: identifying pirated videos in real-time.
Proceedings of the 15th International Conference on Multimedia 2007, 2007

Topic 11 Distributed and High-Performance Multimedia.
Proceedings of the Euro-Par 2007, 2007

The Eff<sup>2</sup> Project: Towards Efficient and Effective Support for Large-Scale High-Dimensional Indexing.
Proceedings of the International Workshop on Content-Based Multimedia Indexing, 2007

2006
Performance and overhead of semantic cache management.
ACM Trans. Internet Techn., 2006

Introduction.
Multim. Tools Appl., 2006

Scalability of local image descriptors: a comparative study.
Proceedings of the 14th ACM International Conference on Multimedia, 2006

Blazingly fast image copyright enforcement.
Proceedings of the 14th ACM International Conference on Multimedia, 2006

Towards pB+Trees in the Field: Implementation Choices and Performance.
Proceedings of the First International Workshop on Performance and Evaluation of Data Management Systems, 2006

2005
Report from the first international workshop on computer vision meets databases (CVDB 2004).
SIGMOD Rec., 2005

The Quality vs. Time Trade-off for Approximate Image Descriptor Search.
Proceedings of the 21st International Conference on Data Engineering Workshops, 2005

The Eff2 Image Retrieval System Prototype.
Proceedings of the IASTED International Conference on Databases and Applications, 2005

Efficient and Effective Image Copyright Enforcement.
Proceedings of the 21èmes Journées Bases de Données Avancées, 2005

2003
In Memory of Gísli R. Hjaltason.
SIGMOD Rec., 2003

1998
Interaction of Query Evaluation and Buffer Management for Information Retrieval.
Proceedings of the SIGMOD 1998, 1998

Evaluating Answer Quality/Efficiency Tradeoffs.
Proceedings of the 5th International Workshop on Knowledge Represenation Meets Databases (KRDB '98): Innovative Application Programming and Query Interfaces, 1998

1996
Semantic Data Caching and Replacement.
Proceedings of the VLDB'96, 1996

Performance Tradeoffs for Client-Server Query Processing.
Proceedings of the 1996 ACM SIGMOD International Conference on Management of Data, 1996


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