Efficient Prediction of Difficult Keyword Queries over Databases

Efficient Prediction of Difficult Keyword Queries over Databases Keyword queries on databases provide easy access to data, but often suffer from low ranking quality, i.e., low precision and/or recall, as shown in recent benchmarks. It would be useful to identify queriesthat are likely to have low ranking quality to improve the user satisfaction. For instance, the system may suggest to […]


On Real-Time Performance Evaluation Of Volcano- Monitoring Systems With Wireless Sensor Networks

On Real-Time Performance Evaluation of Volcano-Monitoring Systems With Wireless Sensor Networks Abstract: A volcanic eruption early warning has to be launched with effectiveness and within the shortest time possible, which imposes the requirement of using real-time (RT) systems. In this setting, volcano-monitoring systems using wireless sensor networks (WSNs) may play a key role. Previous work […]