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Tip: Understanding Rank

PEP-Web Tip of the Day

When you do a search, you can sort the results bibliographically alphabetical or by “rank”. What is Rank?

Rank refers to the search engine’s “best guess” as to the relevance of the result to the search you specified. The exact method of ranking used varies a bit depending on the search. In its most basic level, when you specify a single search term, rank looks at the density of the matches for the word in the document, and how close to the beginning of the document they appear as a measure of importance to the paper’s topic. The documents with the most matches and where the term is deemed to have the most importance, have the highest “relevance” and are ranked first (presented first).

When you specify more than one term to appear anywhere in the article, the method is similar, but the search engine looks at how many of those terms appear, and how close together they appear, how close to the beginning of the document, and can even take into account the relative rarity of the search terms and their density in the retrieved file, where infrequent terms count more heavily than common terms.

To see a simple example of this, search for the words (not the phrase, so no quotes):

unconscious communications

Look at the density of matches in each document on the first page of the hits. Then go to the last page of matched documents, and observe the density of matches within the documents.

A more complex search illustrates this nicely with a single page and only 15 matches:

counter*tr* w/25 “liv* out” w/25 enact*

There are a lot of word forms and variants of the words (due to the * wildcards) above that can match, but the proximity (w/25) clause limits the potential for matching. What’s interesting here though is how easily you can see the match density decrease as you view down the short list.

The end result of selecting order by rank is that the search engine’s best “guess” as to which articles are more relevant appear higher on the list than less relevant articles.

For the complete list of tips, see PEP-Web Tips on the PEP-Web support page.

Meltzer, D. (1986). Studies in Extended Metapsychology: Clinical Applications of Bion's Ideas. Karnac Books Ltd..

Meltzer, D. (1986). Studies in Extended Metapsychology. , 1-222. Karnac Books Ltd..

Studies in Extended Metapsychology: Clinical Applications of Bion's Ideas

Donald Meltzer

With
Mariella Albergamo, Eve Cohen, Alba Greco, Martha Harris, Susanna Maiello, Giuliana Milana, Diomira Petrelli, Maria Rhode, Anna Sabatini Scolmati and Francesco Scotti

Contents

  Introduction 9
I Field or Phase 13
II What is an Emotional Experience? 21
III A Klein-Bion Model for Evaluating Psychosomatic States 34
IV The Proto-mental Apparatus and Soma-psychotic Phenomena 38
V The Conceptual Distinction between Projective Identification (Klein) and Container-contained (Bion) 50
VI The Concept of Vertices - Shifting versus Multiplication 70
VII The Limits of Language 75
VIII Facts and Fictions 83
IX An Enquiry into Lies: their Genesis and Relation to Hallucination 93
X Clinical Application of Bion's Concept ‘Transformations in Hallucinosis’ 105
XI Clinical Application of Bion's Concept ‘Reversal of Alpha-function’; 116
XII Psychotic Illnesses in Early Childhood 122
XIII A One-Year-Old goes to a Day Nursery - A Parable of Confusing Times 136
XIV Family Patterns and Cultural Educability 154
XV Concerning the Perception of One's Own Attributes and its Relation to Language Development 175
XVI On Turbulence 187
XVII A Swiftean Diatribe 191
XVIII Dénouement 203
  Appendix to Chapter XVI 212
  Index 216

Acknowledgements

Although the work of genius is solitary, for its ultimate realisation it must feed the hunger for knowledge (K) of many lesser workers whose combined efforts produce a ‘school’.

[This is a summary or excerpt from the full text of the book or article. The full text of the document is available to subscribers.]

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