Discusses the automatic construction of abstracts from the texts of documents. Automatic sentence extraction is examined, including syntactic criteria and semantic relational criteria; textual cohesion is discussed, including the recognition of anaphors and noun phrases; text structure is addressed; and the concept of abstract-frames is described.…

This review of abstracting policies used by database producers focuses on the degree to which these policies incorporate criteria vital for acceptability of abstracts for free-text searching. Each topic in abstracting policy (abstract type, length, content, and language) is examined to consider its effect on retrieval. (MBR)

Investigates whether information abstracts reporting on empirical work possess a predictable discourse-level structure and whether there are lexical clues revealing this structure. Results support the presence of a detectable structure in the text-type of empirical abstracts, which may be of use in a variety of text-based information processing…