Scienti c research addressing global change continues to generate large quantities of information for analysis and understanding. However, the volume, distributed nature, and dive...
Betty H. C. Cheng, Robert H. Bourdeau, Gerald C. G...
There is a tremendous amount of web content available today, but it is not always in a form that supports end-users' needs. In many cases, all of the data and services needed...
The paper describes a tool designed within the first stage of the European project INVISIP in order to explore geographical metadata in the site planning process. A visual data mi...
The problem of data cleaning, which consists of removing inconsistencies and errors from original data sets, is well known in the area of decision support systems and data warehou...
Helena Galhardas, Daniela Florescu, Dennis Shasha,...
We consider experiments to measure the quality of a web search algorithm based on how much total time users take to complete assigned search tasks using that algorithm. We first ...