Đang chuẩn bị nút TẢI XUỐNG, xin hãy chờ
Tải xuống
Keyword Search in Databases- P1:Conceptually, a database can be viewed as a data graph GD(V ,E), where V represents a set of objects, and E represents a set of connections between objects. In this book, we concentrate on two kinds of databases, a relational database (RDB) and an XML database. In an RDB, an object is a tuple that consists of many attribute values where some attribute values are strings or full-text; there is a connection between two objects if there exists at least one reference from one to the other | Keyword Search in Databases I Synthesis Lectures on Data Management Editor M. Tamer Ozsu Keyword Search in Databases Jeffrey Xu Yu Lu Qin and Lijun Chang .
