Karen Spärck Jones
pioneering British computer and information scientist responsible for the concept of inverse document frequency (IDF), a technology that underlies most modern search engines
Works (10)

Readings in natural language processing

Synonymy and semantic classification
1964

Charting a new course

Evaluating natural language processing systems
1995

Automatic Natural Language Parsing
June 1985

Linguistics and information science
1973

Readings in information retrieval

Automatic keyword classification for information retrieval
1971

Computer Systems

Information Retrieval Experiment
January 1982