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- research-articleOctober 2021
Automatic and Semi-automatic Augmentation of Migration Related Semantic Concepts for Visual Media Retrieval
OASIS '21: Proceedings of the 2021 Workshop on Open Challenges in Online Social NetworksPages 33–38https://doi.org/10.1145/3472720.3483618Understanding the factors related to migration, such as perceptions about routes and target countries, is critical for border agencies and society altogether. A systematic analysis of communication and news channels, such as social media, can improve ...
- research-articleMarch 2016
The Forgotten Needle in My Collections: Task-Aware Ranking of Documents in Semantic Information Space
CHIIR '16: Proceedings of the 2016 ACM on Conference on Human Information Interaction and RetrievalPages 13–22https://doi.org/10.1145/2854946.2854971With the growing amount of content stored in personal and organizational information spaces, finding and re-finding documents becomes both more crucial and challenging. In this work, we propose an approach to reduce information overload in navigation by ...
- short-paperAugust 2015
A Time-aware Random Walk Model for Finding Important Documents in Web Archives
SIGIR '15: Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information RetrievalPages 915–918https://doi.org/10.1145/2766462.2767832Due to their first-hand, diverse and evolution-aware reflection of nearly all areas of life, web archives are emerging as gold-mines for content analytics of many sorts. However, supporting search, which goes beyond navigational search via URLs, is a ...
- research-articleJune 2015
To Keep or not to Keep: An Expectation-oriented Photo Selection Method for Personal Photo Collections
- Andrea Ceroni,
- Vassilios Solachidis,
- Claudia Niederée,
- Olga Papadopoulou,
- Nattiya Kanhabua,
- Vasileios Mezaris
ICMR '15: Proceedings of the 5th ACM on International Conference on Multimedia RetrievalPages 187–194https://doi.org/10.1145/2671188.2749372When selecting important photos from a personal photo collection - e.g. for creating an enjoyable sub-collection for revisiting or preservation - photos are not considered in isolation. Therefore, collection-level criteria are also taken into account by ...
- research-articleMay 2015
Mining Relevant Time for Query Subtopics in Web Archives
WWW '15 Companion: Proceedings of the 24th International Conference on World Wide WebPages 1357–1362https://doi.org/10.1145/2740908.2741702With the reflection of nearly all types of social cultural, societal and everyday processes of our lives in the web, web archives from organizations such as the Internet Archive have the potential of becoming huge gold-mines for temporal content ...
- posterJuly 2014
Bridging temporal context gaps using time-aware re-contextualization
SIGIR '14: Proceedings of the 37th international ACM SIGIR conference on Research & development in information retrievalPages 1127–1130https://doi.org/10.1145/2600428.2609526Understanding a text, which was written some time ago, can be compared to translating a text from another language. Complete interpretation requires a mapping, in this case, a kind of time-travel translation between present context knowledge and context ...
- research-articleApril 2012
GLOCAL: event-based retrieval of networked media
- Pierre Andrews,
- Francesco De Natale,
- Sven Buschbeck,
- Anthony Jameson,
- Kerstin Bischoff,
- Claudiu S. Firan,
- Claudia Niederée,
- Vasileios Mezaris,
- Spiros Nikolopoulos,
- Vanessa Murdock,
- Adam Rae
WWW '12 Companion: Proceedings of the 21st International Conference on World Wide WebPages 219–222https://doi.org/10.1145/2187980.2188013The idea of the European project GLOCAL is to use events as the central concept for search, organization and combination of multimedia content from various sources. For this purpose methods for event detection and event matching as well as media ...