Summarizing Information

1 Introduction.- 2 Communication and Cognition.- 2.1 Introduction.- 2.2 Communication situations.- 2.3 The cognitive structure of a situated communicator.- 2.4 Forms of representation.- 2.5 Understanding.- 2.6 Discourse production.- References.- 3 Summarizing in Everyday Communication.- 3.1 Introduction.- 3.2 The process of summarization.- 3.3 What we know about summarizing in everyday life.- 3.4 Assessing importance (relevance, interestingness).- References.- 4 Professional Summarizing.- 4.1 Introduction: Professional summarizing.- 4.2 Knowledge about professional summarizing.- 4.3 An empirical cognitive model of professional summarizing.- References.- 4.4 Appendix: The intellectual toolbox.- 5 Computational Approaches.- 5.1 Introduction.- 5.2 Early approaches: The creation of computer abstracts by sentence extraction.- 5.3 Systems following the advent of cognitive science.- 5.4 New technology, increased demand, a new wave of systems.- References.