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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.

Stramer, R. (2016). Freud in Zion by Eran J. Rolnik Karnac Books, London, 2012; 252 pp; £24.99. Int. J. Psycho-Anal., 97(4):1217-1222.

(2016). International Journal of Psycho-Analysis, 97(4):1217-1222

Freud in Zion by Eran J. Rolnik Karnac Books, London, 2012; 252 pp; £24.99

Review by:
Ricardo Stramer, Ph.D.

Freud in Zion - a rather metaphorical title given that Sigmund Freud never visited the Holy Land - seeks to examine the interplay between Zionism and psychoanalytic thought, and its influence on the formation of Israeli identity. In order to examine this interplay, the author explores the development of psychoanalytic theory and debate in Israel, and asks whether there is a specifically Israeli psychoanalysis, influenced by the history of the Jewish people. At the same time, the author, being an Israeli psychoanalyst as well as historian informs us that by examining the proposed theme, he is in a position to examine the development of great ideological developments in the 20th century, namely Zionism, Socialism and Freudianism from both historical and sociological perspectives.

The author concentrates on the development of Jewish thinking in the 20th century emphasizing the need of Jewish intelligentsia to develop a new mentality, away from persecution, that would adapt to the conditions of a modern nation-state. When it comes to Zionism, the author suggests that it was greatly influenced by the need to develop an alternative to traditional religious explanations for the plight of the Jewish people.

[This is a summary excerpt from the full text of the journal article. The full text of the document is available to journal subscribers on the publisher's website here.]

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