Survey, Analysis and Evaluation Criteria of Full Text Systems
Carol Tenopir, Gerald W. Lundeen · 1991
Textual dalabases, inctuding bibliographic, referral, and full text, have many unique characteristics that impact Search and retrieval capabilities for textual databases are software selection for text retrieval. Full text databases, necessarily different from those of software suited for in particular, contain reco^rds-that vary greatiy in length other types of databases, due to some unique and structure' Software for full text retrieval must have characieristics of typical text databases. Textual powerful retrieval capabilities, whether the software databases, wtrettreiihey - uilriog.uphic, referral, or deals with structured text, unstructured text, or a hybrid full text iiffer from trre typiJ nuileric or DBMS combination. Besides the standard textual retrieval application in several *ays: features, full text software should offer features such as the ability to recognize the grammatical structure of o the data is primarily alphabetic and when sentences and paragraphs, keyword in context display, numbers are includet th-ey are more likely to be and word occurrence and ranking output. treated as text.