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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.

Hitschmann, E. (1944). FREUD EN VIDA Y MUERTE. Rev. psicoanál., 2(1):1-8.

(1944). Revista de Psicoanálisis, 2(1):1-8

FREUD EN VIDA Y MUERTE

Edward Hitschmann

Freud está sepultado. Sus continuadores o discípulos ya no volverán a verle ni a escucharle más. ¿Cómo era Freud?, podría preguntarse. Algunos supondrán que tan gran hombre habría de ser serio y solemne. Ciertamente, conocedor de todas las debilidades y perversidades de la humanidad, era severo e inaccesible. Pero, en realidad, ¿qué aspecto tenía? ¿Cuál era su forma de actuar? Conociendo tan profundamente al género humano y a todos sus tipos, difícilmente podía usar una cabellera enrulada, una enmarañada barba de filósofo o un sombrero de ala ancha como un pintor; tampoco podía tener la apariencia de un dandy narcisista o de un andrajoso avaro.

El aspecto de Freud era similar al de otros intelectuales o médico's; sencillo y modesto. Usaba un traje fino y bien cortado y siempre corbata negra; se advertía que no dedicaba demasiado tiempo a su arreglo personal. Nunca fué solemne ni retraído sino, por el contrario, benévolo y alentador; en una palabra, humano.

Freud solía decir: “Es una pena que sea tan difícil cambiar profundamente a los neuróticos. La mayoría de ellos recurren demasiado tarde al psicoanalista, en un estado muy avanzado de su enfermedad.” Sonriendo citaba a veces esta escéptica frase: “Tres cosas son imposibles: dirigir, educar y curar. Es querer transformar lo negro en blanco” —protestaba de su trabajo en momentos de desaliento—. La experiencia le había demostrado lo imposible que es reconstruir la mente humana, modificar un carácter en poco tiempo. Por tanto, previno contra el furor terapeuticus.

[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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