This paper describes the shared task for the English Twitter geolocation prediction associated with WNUT 2016. We discuss details of the task settings, data preparation and participant systems. The derived dataset and performance figures from each system provide baselines for future research in this realm.

There is a wide array of online photographic content that is not geotagged. Algorithms for efficient and accurate geographical estimation of an image are needed to geolocate these photos. This paper presents a general model for using both textual metadata and visual features of photos to automatically place them on a world map.

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In February 2010, former Director of the National Security Agency Mike McConnell wrote, “We need to develop an early-warning system to monitor cyberspace, identify intrusions and locate the source of attacks with a trail of evidence that can support diplomatic, military and legal options — and we must be able to do this in milliseconds. More specifically, we need to reengineer the Internet to m...

This paper presents a BLE-based localization method suitable for the indoor smartphone geolocation service. In this method, a triangulation technique using Direction-of-Departure (DOD) information from the multiple BLE beacons is used for localization, where they are calculated only from the Received Signal Strength Indicator (RSSI). The outline of the proposed localization system and the exper...

This paper describes the results of the CERTH participation in the Synchronization of Multi-User Event Media Task of MediaEval 2014. We used a near duplicate image detector to identify very similar photos, which allowed us to temporally align photo galleries; and then we used time, geolocation and visual information, including the results of visual concept detection, to cluster all photos into ...

Relying on non-enforceable normative language to persuade Web sites to make their privacy practices clear has proven unsuccessful, and where privacy policies are present, they are notoriously unclear and unread. Various machine-readable techniques have been proposed to address this problem, but many have suffered from practical difficulties. We propose a simple standard for transmitting policy ...