K
Karen Sparck Jones
Researcher at University of Cambridge
Publications - 121
Citations - 12125
Karen Sparck Jones is an academic researcher from University of Cambridge. The author has contributed to research in topics: Document retrieval & Natural language. The author has an hindex of 34, co-authored 121 publications receiving 11363 citations.
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A statistical interpretation of term specificity and its application in retrieval
TL;DR: It is argued that terms should be weighted according to collection frequency, so that matches on less frequent, more specific, terms are of greater value than matches on frequent terms.
Book
Relevance weighting of search terms
TL;DR: This paper examines statistical techniques for exploiting relevance information to weight search terms using information about the distribution of index terms in documents in general and shows that specific weighted search methods are implied by a general probabilistic theory of retrieval.
Book
Readings in information retrieval
Karen Sparck Jones,Peter Willett +1 more
TL;DR: Chapter 1 Overall Introduction Chapter 2 History Chapter 3 Key Concepts Chapter 4 Evaluation Chapter 5 Models Chapter 6 Techniques Chapter 7 Systems Chapter 8 Extensions Chapter 9 Envoi
Book
Key concepts
Karen Sparck Jones,Peter Willett +1 more
TL;DR: Healthy aging is defined as the process of developing and maintaining the functional ability that enables wellbeing in older age as discussed by the authors and is determined by the person's intrinsic capacity (the combination of all the individual's physical and mental capacities), relevant environmental factors, and the interaction between the two.
Journal ArticleDOI
Automatic summarising: The state of the art
TL;DR: The conclusions drawn are that automatic summarisation has made valuable progress, with useful applications, better evaluation, and more task understanding, but summarising systems are still poorly motivated in relation to the factors affecting them, and evaluation needs taking much further to engage with the purposes summaries are intended to serve.