2/22/2023 0 Comments Pdf keyword managerThe book can be used as either an extended survey for people who are interested in the structural keyword search or a reference book for a postgraduate course on the related topics. In Chapter 5, we highlight several interesting research issues regarding keyword search on databases. In Chapter 4, we discuss structural keyword search in a large tree-structured XML database. The title, author, subject, and keywords may have been set by the person who created the document in the source application, such as Word or InDesign, or by the person who created the PDF. Document Properties Description Shows basic information about the document. In Chapter 3, we discuss graph algorithms for structural keyword search by treating an entire relational database as a large data graph. Click a tab in the Document Properties dialog box. We concentrate on how to generate a set of SQL queries that can find all the structural information among records in a relational database completely, and how to evaluate the generated set of SQL queries efficiently. In Chapter 2, we focus on supporting structural keyword search in a relational database management system using the SQL query language. In Chapter 1, we highlight the main research issues on the structural keyword search in different contexts. The former focuses on the interconnected object structures, whereas the latter focuses on the object content. The structural keyword search is completely different from finding documents that contain all the user-given keywords. Such structural information to be returned can be either trees or subgraphs representing how the objects, that contain the required keywords, are interconnected in a relational database or in an XML database. This book surveys the recent developments on keyword search over databases, and focuses on finding structural information among objects in a database using a set of keywords. It has become highly desirable to provide users with flexible ways to query/search information over databases as simple as keyword search like Google search.
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