Transaction time is the time of a database transaction, i.e., an insertion, update, or deletion. A transactiontime database stores the transaction-time history of a database and s...
The Web has grown beyond anybody’s imagination. While significant research has been devoted to understanding aspects of the Web from the perspective of the documents that compr...
Information retrieval which aims to provide people with easy access to all kinds of information is now becoming more and more emphasized. However, most approaches to information r...