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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.

 
List of Articles


Volume 33 (2000)

INTRODUCCIÓN
Introducción al concepto  9
José Luis López-Peñalver
Acerca de los contenidos de la revista  13
Amparo Escrivá
TEMA MONOGRÁFICO
Contribución al análisis de la reacción terapéutica  19
Joan Rivière
La motivación terapéutica negativa y la alianza terapéutica negativa  35
Jack Novick
Angustia y fin de análisis  55
Milagros Cid Sanz
Los obstáculos para el fin de análisis en la clínica freudiana  73
Norma Tortosa
El análisis de la feminidad masculina: ¿terminable o interminable?  87
Jaime Tabares Pujante
Principio y final de análisis. De las tragedias neuróticas al drama universal  109
Elina Wechsler
El destino del ideal del yo en la cura psicoanalítica  127
Eduardo Orozco
TEORÍA
La represión es una condición necesaria del proceso identificatorio  145
José Gutiérrez Terrazas
El trabajo de pensamiento desde la perspectiva psicoanalítica  167
Teresa Olmos y Y Colaboradores
PSICOANÁLISIS APLICADO
Después del diván: Investigación en curso sobre el post-análisis  185
Ángeles De Miguel y Mercedes Valcarce
DIÁLOGO CON LOS AUTORES
Respuesta a la carta abierta de Isabel Usobiaga  207
Jorge L. Tizón
RESEÑAS
Freud, crítico de la Ilustración. (Ensayos sobre psicoanálisis, religión y ética) Carlos Gómez Sánchez Barcelona, Crítica, 1998  211
José Egido Serrano
La petite sirène. De l'objet combiné à la scène primitive Cléopatre Athanassiou - Popesco París, PUF Psychanalyses, 2000  214
Milagro Martín Rafecas
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