Queries to data warehouses often involve hundreds of complex aggregations over large volumes of data, and so it is infeasible to compute these queries by scanning the data sources ...
Abstract. Integrity constraints play a fundamental role in defining semantics in both conventional databases and in XML documents. In this paper we generalize previous approaches ...
Millist W. Vincent, Michael Schrefl, Jixue Liu, Ch...
Abstract. Spatial data has now been used extensively in the Web environment, providing online customized maps and supporting map-based applications. The full potential of Web-based...
Duplication of Web pages greatly hurts the perceived relevance of a search engine. Existing methods for detecting duplicated Web pages can be classified into two categories, i.e. o...
Abstract. Although most existing teamwork management systems support userfriendly interface to some extent, few of them have take into consideration of the special requirements of ...
Yun Yang, Wei Lai, Jun Shen, Xiaodi Huang, Jun Yan...