Social tagging on online portals has become a trend now. It has emerged as one of the best
ways of associating metadata with web objects. With the increase in the kinds of web objects …

The advent of online social networks has been one of the most exciting events in this
decade. Many popular online social networks such as Twitter, LinkedIn, and Facebook have …

Wikipedia has become one of the ten most visited sites on the Web, and the world's leading
source of Web reference information. Its rapid success has inspired hundreds of scholars …

This book is a second edition, updated and expanded to explain the technologies that help
us find information on the web. Search engines and web navigation tools have become …

In this paper we investigate generic methods for placing photos uploaded to Flickr on the
World map. As primary input for our methods we use the textual annotations provided by the …

Human spatial concepts, such as the concept of place, are not immediately translatable to
the geometric foundations of spatial databases and information systems developed over the …

This paper describes the results of an analysis of the OpenStreetMap (OSM) database for
the United Kingdom (UK) and Ireland (correct to April 2011). 15,640 OSM ways (polygons …

Online social media repositories such as Flickr and Zooomr allow users to manually
annotate their images with freely-chosen tags, which are then used as indexing keywords to …

A person's gait is a characteristic that might be employed to identify him/her automatically.
Conventionally, automatic for gait-based identification of subjects employ video and image …

Hashtags, originally introduced in Twitter, are now becoming the most used way to tag short
messages in social networks since this facilitates subsequent search, classification and …