This document provides summaries of 5 different articles from the International Journal of Ubiquitous Computing (IJU). It lists the title, authors, citation number, and URLs for full text of articles on the following topics: content based video retrieval systems, time synchronization in wireless sensor networks, real time hand gesture recognition system, an intelligent driver assistance system using ontology approach, and performance comparison of OCR tools. It also provides a link to the journal's Google Scholar page and contact email.