In many applications, we find large video collections from different genres where the user is often only interested in one or two specific video genres. So, when users are queryin...
Abstract Advances in wireless sensor networks and positioning technologies enable new applications monitoring moving objects. Some of these applications, such as traffic managemen...
A novel data source for assessing traffic conditions is floating car data (FCD) in the form of vehicle tracking data, or, in database terms, trajectory data. This work proposes pr...
The hash table, especially its external memory version, is one of the most important index structures in large databases. Assuming a truly random hash function, it is known that i...
Abstract-- Large graph datasets are common in many emerging database applications, and most notably in large-scale scientific applications. To fully exploit the wealth of informati...