City-Stories: A Spatio-Temporal Mobile Multimedia Search System

Beck, Lukas and Schuldt, Heiko. (2016) City-Stories: A Spatio-Temporal Mobile Multimedia Search System. In: Proceedings of the 2016 IEEE International Symposium on Multimedia (ISM 2016). pp. 193-196.

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Official URL: http://edoc.unibas.ch/51988/

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Mobile devices have become ubiquitous in the last years. With their powerful built-in cameras and sensors, they are intensively used as devices for capturing multimedia content. However, at the same time, the support of these mobile devices for searching within multimedia collections is still quite limited. These limitations are particularly obvious in the search paradigm(s) that are usually supported on mobile devices which mainly consist of traditional keyword search; if, at all, they might at most also support query-by-example content-based queries. In this paper, we present City-Stories, a powerful application that helps users to capture multimedia content and that in particular provides a rich set of different search paradigms. The search paradigms of City-Stories include temporal search (when a photo was taken), spatial search (where a photo was taken), and content-based similarity. For the latter, query-by-example (QbE) and query-by-sketch (QbS) are available. All these search paradigms can be freely mixed, either simultaneously (e.g., search for spatial and content similarity), or sequentially (e.g., to refine the query results obtained from one query mode with another one). In this paper, we introduce the City-Stories system and present the results of an evaluation which shows the gain in effectiveness when combining different search paradigms on a mobile device in comparison to using these paradigms individually.
Faculties and Departments:05 Faculty of Science > Departement Mathematik und Informatik > Informatik > Databases and Information Systems (Schuldt)
UniBasel Contributors:Schuldt, Heiko and Beck, Lukas
Item Type:Conference or Workshop Item, refereed
Conference or workshop item Subtype:Conference Paper
Note:Publication type according to Uni Basel Research Database: Conference paper
Last Modified:22 Nov 2017 15:01
Deposited On:22 Nov 2017 15:01

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