Hello Abraal,

I analyzed your question and context. Here, you have my analysis:

The translation of “thesauri” is “tesauros” in plural.
In English: thesaurus (singular) = in Spanish: “tesauro”.
In English: “thesauri” (plural) = in Spanish: “tesauros”

The translation of “system” from English to Spanish is “sistema”.
The translation of “profile” from English to Spanish is: “perfil”. In this case, “profile”.

This is the original text in English: “"XY shall update the profiles for all Researchers on at least a quarterly basis and the Application thesauri and profile index system at least annually".”

This is the complete text in Spanish: “"XY procederá a la actualización de los perfiles para todos los investigadores en por lo menos cada tres meses y los tesauros de aplicaciones y el sistema de índice de perfil por lo menos una vez al año".

Your new expression in Spanish is: “los tesauros de aplicaciones y el sistema de índice de perfil”.

I hope this analysis helps you in your work

Regards

Domingo


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Note added at 1 hr (2012-06-22 04:26:04 GMT)
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Hello Abraal again!

MORE INFORMATION:

Here you have in an easy way the explanation of thesaurus and thesauri (the plural of thesaurus)
This is from the dictionary The Free Dictionary By Farlex:
the•sau•rus (th -sôr s)
n. pl. the•sau•ri (-sôr ) or the•sau•rus•es
1. A book of synonyms, often including related and contrasting words and antonyms.
2. A book of selected words or concepts, such as a specialized vocabulary of a particular field, as of medicine or music.
[Latin th saurus, treasury, from Greek th sauros.]
(URL: http://www.thefreedictionary.com/thesauri)

In summary, in Spanish language, we can say : “Es un libro o diccionario de sinónimos, que a menudo incluye términos relativos y antónimos. También es un diccionario o libro de palabras seleccionadas y conceptos especializados relativos a una profesión. Cuando un escritor técnico escribe un libro debe generar su propio tesauro si quiere realizar un trabajo profesional consistente.”

If you need to know more about system, please write me a message. Today, normally a system is a series of computer programs to solve problems or generate special information.

Don’t worry, Be Happy!

Domingo



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Note added at 1 hr (2012-06-22 04:33:42 GMT)
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Abraal:

PROBABLY YOU WANT TO KNOW WHAT IS APPLICATION:

The English term: “application” in Spanish is “applicación”.

Here you have easy explanation of “application” from the same The Free Dictionary by Farlex:

ap•pli•ca•tion n.
1. The act of applying.
2. Something applied, such as a cosmetic or curative agent.
3.
a. The act of putting something to a special use or purpose: an application of a new method.
b. A specific use to which something is put: the application of science to industry.
4. The capacity of being usable; relevance: Geometry has practical application in aviation and navigation.
5. Close attention; diligence: shows application to her work.
6.
a. A request, as for assistance, employment, or admission to a school.
b. The form or document on which such a request is made.
7. Computer Science A computer program with a user interface.
adj. Computer Science also applications
Of or being a computer program designed for a specific task or use: applications software for a missile guidance system.

Regards

Domingo


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Note added at 1 hr (2012-06-22 04:38:05 GMT)
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MORE:

My original translation was: “los tesauros de aplicaciones y el sistema de índice de perfil”. Depending of the context, you also can translate it in this way: “los tesauros de aplicaciones y el sistema de índice de perfiles”.
Domingo