Compendex, the computerized version of the Engineering Index, is a comprehensive engineering bibliographical database.
Compendex is an index of engineering materials started in 1884, compiled by hand under the original title of Engineering Index.
Currently it contains over 9 millions records and references over 5000 sources like journals and conferences.
Anually are added 500.000 new records to the database.
viernes, 14 de diciembre de 2012
Krugle
Krugle is a search engine that allows computer programmers and everyone who wants to look for Open Source repositories in order to locate open source code. Also it allows to share the code with other programmers on the Internet.
It is quite interesting due to the dimension of the Open Source
repositories.
Link: www.krugle.com/
Astrophysics Data System
ADS is a database online financiated by the NASA with mora than 5.6 millions of articles of physics, astronomy and astrophysics for example.
It was created on 1992 with a big impact since then on the search of astronomical data.
Link: http://adswww.harvard.edu/
It was created on 1992 with a big impact since then on the search of astronomical data.
Link: http://adswww.harvard.edu/
Digital Public Library of America
This Digital Library was launched by the University of Harvard Berkman Center for Internet & Society in 2010 with the purpose of get in a unique web site the Libray of the Congress of EEUU, the Internet Archive, some academic collections and some other collections.
Link: http://dp.la/
Link: http://dp.la/
Wikiseek
Wikiseek was a search engine of information. It indexed only articles of Wkipedia and web sites with links to Wikipedia, created by SearchMe Inc.
It has no relation with Wikia or Wikimedia. In January of 2007 it only searched in English.
It has no relation with Wikia or Wikimedia. In January of 2007 it only searched in English.
Open Directory Project
Open Directory Project also known as DMoz is a multilanguage project where volunteer editors linked and categorize links to web sites.
It was founded in 1998.
Link: www.dmoz.org
It was founded in 1998.
Link: www.dmoz.org
TEOMA
Teoma was a search engine founded in New Jersey in the University of Rutgers. It is unique in its development and application because of its algorithm of popularity based on links.
It analyzes the links to see the importance of each web site depending on its contents.
It was bought by Ask Jeeves in 2001 and in 2006 it was renombrated and incorpored to ask.com
It analyzes the links to see the importance of each web site depending on its contents.
It was bought by Ask Jeeves in 2001 and in 2006 it was renombrated and incorpored to ask.com
NAVER
Naver is the most iomportant portal of South Korea. It was Launched in 1999.
It offers to user a electronic mail, notices of its own agengy wich covers more than 90 communication system, a search engine for doctoral thesis.
Link: www.naver.com
It offers to user a electronic mail, notices of its own agengy wich covers more than 90 communication system, a search engine for doctoral thesis.
Link: www.naver.com
LYCOS
Lycos is a web site that includes a search engine. It was developed in 1994 and it was one of the most visited sites, with visits of more than 40 countries.
After some years with financial problems, their inversors decided to eliminate Lycos in 2009.
After some years with financial problems, their inversors decided to eliminate Lycos in 2009.
CUIL
Cuil was a search engine hurled on 2008 with the purpose of proveed to the user more resutls than others searche engines.
The company declared that Cuil had 3 times the index of Google and tentimes the index of Microsoft.
In addition it did not keep the historical register of its clients.
Link: www.cuil.com
The company declared that Cuil had 3 times the index of Google and tentimes the index of Microsoft.
In addition it did not keep the historical register of its clients.
Link: www.cuil.com
OAiSTIR
OAIster was a project of the Digital Library Production Service of the University of Michigan University Library in order to create a collection of freely access, with difficult access previously.
In early 2009, OCLC formed a partnership with the University of Michigan with the purpose of provide continued access to open-archive collections through OAIster.
Link: www.oaister.org
In early 2009, OCLC formed a partnership with the University of Michigan with the purpose of provide continued access to open-archive collections through OAIster.
Link: www.oaister.org
Project Gutenberg
Projet Gutenberg was developed in 1971 by Michael Hart in order to create a library of free digital books that exist physically. In November of 2009 there were in the Gutenberg Project more than 30.000 books, all of them with free access.
Link: www.gutemberg.org
Link: www.gutemberg.org
Perseus Project
Perseus Project is a project of digital library of the University Tufts, which has a digital collection of sources of Humanities, presented by the Departament of Clasics.
It born in 1987 to get a collection of knowledge about Classical Greece. Since 1995 it is accesible from the Internet with knowledge of different civilizations, dictionaries, encyciclopedias and other sources, so it is useful in general for all the students.
All the documentsare freely accessible.
Link: www.perseus.tufts.edu/
It born in 1987 to get a collection of knowledge about Classical Greece. Since 1995 it is accesible from the Internet with knowledge of different civilizations, dictionaries, encyciclopedias and other sources, so it is useful in general for all the students.
All the documentsare freely accessible.
Link: www.perseus.tufts.edu/
jueves, 13 de diciembre de 2012
CiteSeer
CiteSeer is a public search engine and a digital library focused on academic and scientific publications.
It was created in rhe NEC Research Institute in Princeton, New Jersey, USA.
Link: www.citeseer.com
It was created in rhe NEC Research Institute in Princeton, New Jersey, USA.
Link: www.citeseer.com
Wikipedia
Wikipedia is an encyclopedia of free edition, edited in several languages. It has more than 20 millions of articles written in 282 languages by different people on order to add more knowledge to this open and free online encyclopedia.
It was created in 2001 and it is the most popular and consulted resource of information in the world, in principle by students, because it has a lot of knowledge of sseveral fields.
Link: www.wikipedia.com
It was created in 2001 and it is the most popular and consulted resource of information in the world, in principle by students, because it has a lot of knowledge of sseveral fields.
Link: www.wikipedia.com
SAPO
SAPO is a search engine created by seven members of the Computer Portuguese University in 1995. Since 1997 it has commercial exploration.
Nowadays, it belongs to telecomunication of Portugal since 2005, after it was sold by PTM.com.
Link: www.sapo.pt
Nowadays, it belongs to telecomunication of Portugal since 2005, after it was sold by PTM.com.
Link: www.sapo.pt
Softonic
Softonic is a software database. From Softonic, it is possible to download a lot of software in a free way. I was founded in Barcelona, Spain in 1997.
Link: www.softonic.com/
Link: www.softonic.com/
Altavista
Altavista is a search engine owned by Yahoo! It was once the most popular search engine, but it lost popularity due to the rise of Google, and in 2011 Yahoo! ahut down the site. In 2012 is up and it uses the search engine of Yahoo!
It provides Babel Fish, a tool to translate texts or web pages in several languages to others.
Link: www.altavista.com
It provides Babel Fish, a tool to translate texts or web pages in several languages to others.
Link: www.altavista.com
SciELO
The meaning of SciELO is Scientific Electronic Library Online. It is an initiative of "Fundación para el Apoyo a la Investigación" (of Sao Paulo, Brasil) and of BRIEME.
It allows to acces to journals in different ways, a search engine, by subject, by author, by title, and it has different indexes to simplify the search.
Link: www.scielo.org/
It allows to acces to journals in different ways, a search engine, by subject, by author, by title, and it has different indexes to simplify the search.
Link: www.scielo.org/
Latindex
Latindex is a system of academic information, without profit and with freely access. it is specialized in academic jorunals published in Latin America or published out of this region if the journals have a latin character. It is the result of the work of 23 countries.
It offers a directory, a portal of portals, an OPAC and electronic journals.
Link: www.latinddex.org
It offers a directory, a portal of portals, an OPAC and electronic journals.
Link: www.latinddex.org
Directory of Open Access Journals
The Directory of Open Acess Journals (DOAJ) is a directory of free journals, scientific and academic journals. Those journals must have a high quality and always with a free access.:
The objective of DOAJ is "to increase the visibility and ease of use of scientific ans scholarly journals with open access, so as to promote their greater use and impact."
Link: www.doaj.org
The objective of DOAJ is "to increase the visibility and ease of use of scientific ans scholarly journals with open access, so as to promote their greater use and impact."
Link: www.doaj.org
JournalServer
Journal server is an Oxford-based international initiative to create a digital library of academic jorunal freely aviable. There are several universities of all the world working in this project.
Its objectives are to allow students and publishers of middle income countries to acces freely to academic journals, promote the access to peer-reviewed academic journals in a free way and reduce the impact of the digital divide and the scholar communication crisis.
Link: www.oxfordjournals.org/
Its objectives are to allow students and publishers of middle income countries to acces freely to academic journals, promote the access to peer-reviewed academic journals in a free way and reduce the impact of the digital divide and the scholar communication crisis.
Link: www.oxfordjournals.org/
arXiv
It is an archive for electronic prepints of scientific papers in different fields of science, like mathematics or physics, where those papers can be accessed online.
On October of 2008 it had about one half_million articles updated.By this years, 2012, the submission rate is approximately of 7000 documents per month.
It is accessible from this website or from different mirrors.
Link: www.arXiv.org
On October of 2008 it had about one half_million articles updated.By this years, 2012, the submission rate is approximately of 7000 documents per month.
It is accessible from this website or from different mirrors.
Link: www.arXiv.org
domingo, 9 de diciembre de 2012
IEEE Xplore
IEEE means Institute of Electrical and Electronics Engineers.
The IEEE Xplore digital library is great resource for discovery and access to scientific and technical content published by the IEEE.
From IEEE Xplore provides Web it is possible to access to more than 3-million full-text documents from some of the world's most highly cited publications in fields like electrical engineering, computer science and electronics.
The content in IEEE Xplore is over 160 journals, 1,200 conference proceedings, 3,800 technical standards and 300 educational courses between other articles.
Also each month are added about 25,000 new documents to IEEE Xplore digital library
The IEEE Xplore digital library is great resource for discovery and access to scientific and technical content published by the IEEE.
From IEEE Xplore provides Web it is possible to access to more than 3-million full-text documents from some of the world's most highly cited publications in fields like electrical engineering, computer science and electronics.
The content in IEEE Xplore is over 160 journals, 1,200 conference proceedings, 3,800 technical standards and 300 educational courses between other articles.
Also each month are added about 25,000 new documents to IEEE Xplore digital library
ScienceDirect
ScienceDirect is one of the largest online collections of scientific research in the world
Also, it is a leading full-text scientific database which offers jurnal articles and book chapters from more than 2,500 reviewed journals and 11,000 books.
The database is useful for any student of science, because of the large collection of articles about several scientific topics.
It is necessary to be logged as a student of any institution with agreements with this site to access to its contents.
Link: www.sciencedirect.com/
Also, it is a leading full-text scientific database which offers jurnal articles and book chapters from more than 2,500 reviewed journals and 11,000 books.
The database is useful for any student of science, because of the large collection of articles about several scientific topics.
It is necessary to be logged as a student of any institution with agreements with this site to access to its contents.
Link: www.sciencedirect.com/
WordReference
WordReference is one of the most used online dictionaries. It allows the
user to translate words from several languages, like English, Spanish, Italian, German or French.
It is a good and free dictionary, so it is useful to solve some doubts to students or people who has not a very big level of English or other language like French or Italian.
Furthermore, it provides a synonyms dictionary.
Link: www.wordreference.com/
It is a good and free dictionary, so it is useful to solve some doubts to students or people who has not a very big level of English or other language like French or Italian.
Furthermore, it provides a synonyms dictionary.
Link: www.wordreference.com/
Yellow pages
Yellows pages is directory of telephones of bussinesses, organized by category and alphabetically.
It is used less with the time, because it is a physical directory and the Internet is more used than this.
Link: www.yellowpages.com
It is used less with the time, because it is a physical directory and the Internet is more used than this.
Link: www.yellowpages.com
Ask.com
Ask.com is a search engine, also known Ask Jeeves, created in 1996 by Garrett Gruener and David Warthen in California.
It was the first commercial searcher of the tipe question-answer developed for www. It use the technology of ExpertRank to search information.
Link: www.ask.com
It was the first commercial searcher of the tipe question-answer developed for www. It use the technology of ExpertRank to search information.
Link: www.ask.com
WebCrawler
WebCrawler is a metasearcher that combines the top searches of the most popular search engines like Google, Yahoo! or Bing. Furthermore, WwebCrawler allows to users to look for notices, images, video, audio and others kinds of documents.
It was created in 1994 in the University of Washington by Brian Pykerton. It changes of propertie twice, and since 2001 it is called Excite. It was the first metasearcher of the Web to proporcionate the search of complete text.
Link: www.excite.com
It was created in 1994 in the University of Washington by Brian Pykerton. It changes of propertie twice, and since 2001 it is called Excite. It was the first metasearcher of the Web to proporcionate the search of complete text.
Link: www.excite.com
sábado, 8 de diciembre de 2012
CSIC Digital Library
The digital library of the CSIC(Consejo Superior de Investigaciones Científicas) belongs to an oficial organism dedicated to the investigation and the science, so it will have veridic and interesant scientific information.
From its website there are some different possibilities like see the catalog, search for artciles, find databases, search for journals or books...
It is a very complete digital library, really good structurated.
http://bibliotecas.csic.es/
From its website there are some different possibilities like see the catalog, search for artciles, find databases, search for journals or books...
It is a very complete digital library, really good structurated.
http://bibliotecas.csic.es/
UNESCO
UNESCO is an organism of the ONU specializated on the culture. In its website we can find a lot of information about culture, natural sciences, social sciences...
In this website we can find information related to different fields published by this organism, so it is fiable information to take in account to make works or investigations.
www.unesco.com
In this website we can find information related to different fields published by this organism, so it is fiable information to take in account to make works or investigations.
www.unesco.com
HotBot
HotBot was created in 1996 as a device of the journal Wired. It is a search engine, and it allowed to hospedate in a free way websites, but for a brevity period of time, without inform to the users.
In 1998, it was bought by Lycos, and then HotBost devices were reduced. Nowadays, it is a simple front for some other search engines like Yahoo! or MSN.
It was one of the first search engines in allow to refine the search.
www.hotbot.com
In 1998, it was bought by Lycos, and then HotBost devices were reduced. Nowadays, it is a simple front for some other search engines like Yahoo! or MSN.
It was one of the first search engines in allow to refine the search.
www.hotbot.com
Google Patents
Google Patents is a tool of Google that allow to access to a database of patents, where it is possbile search for information about patents, like the inventor, the year of invention, the description of the patented product...
https://www.google.es/
https://www.google.es/
ACM Digital Library
It is, like the name indicates, a digital library. It has a huge colection of books with the complet text and bibliograpih references. It is operative since 1950.
In principle it as journal articles, reports, small notices, proceedings and papers.
It allows to create ACM account in order to keep bibliographies and resources of the ACM Digital Libraries.
http://dl.acm.org/
In principle it as journal articles, reports, small notices, proceedings and papers.
It allows to create ACM account in order to keep bibliographies and resources of the ACM Digital Libraries.
http://dl.acm.org/
Google Maps
Google Maps is one of the tools of Google. It is useful to search real photograps of the Earth, and in particular of a certain zone. It is helpful to ubicate a country, a city, a street in the world. So if you have to do a search about a determinate place and it is completely unknown for you, you can start by ubicate it on the Earth, it can give you some clues about how the places can be.
https://maps.google.es/maps
https://maps.google.es/maps
Ipselon
Ipselon is a metasearcher, similar to Google.Its results are obtained from Yahoo, Google and MSN, each one with the information of which is its origin.
Ipselon allows us to search images, maps, noticies or even in Wikipedia.
www.ipselon.com
Ipselon allows us to search images, maps, noticies or even in Wikipedia.
www.ipselon.com
Wolfram Alpha
Wolfram Alpha is a searcher of answers, not a search engine, developed by Wolfram Research.
This device answers directly the questions made, extracting the answer from a database, not given a list of websites or articles like Googles does. It is operative since 15th of May of 2009.
Since February of 2012, there is a Wolfram Alpha Pro service, which has special and advances functions, but it has a mensual cost for users.
www.WolframAlpha.com
This device answers directly the questions made, extracting the answer from a database, not given a list of websites or articles like Googles does. It is operative since 15th of May of 2009.
Since February of 2012, there is a Wolfram Alpha Pro service, which has special and advances functions, but it has a mensual cost for users.
www.WolframAlpha.com
Bing
Bing is one search engine of Microsoft, created in 2009.
It includes a list of suggestions in real time and other list with relationated searches. It is expected that Bing will substitute to Yahoo.It is adapted in several languages, about 30, and it is working in almost 40 countries.
www.bing.com
It includes a list of suggestions in real time and other list with relationated searches. It is expected that Bing will substitute to Yahoo.It is adapted in several languages, about 30, and it is working in almost 40 countries.
www.bing.com
Yahoo
Yahoo, as Google, is a search engine. It was open in 1994. It is used, but not as Google, because Google is bigger and with more services. Yahoo is caracteristic because of in Yahoo users can ask doubts, and other users, who wants, can give an answer. From one question can be thousands of answers, but the user who asked will select the better and put it a mark.
www.yahoo.com
www.yahoo.com
Google Scholar
This is a useful tool of Google for students, because it is a search engine for academic articles, with a lot of information adapted to different levels of the education. There you can find articles of any kind of topic, from physic to economy, in different languages.
It is usefuls, I said, for students, in principal, when it is necessary some detailed information for a work.
www.scholar.google.com
It is usefuls, I said, for students, in principal, when it is necessary some detailed information for a work.
www.scholar.google.com
Google is one of the most important, useful and used seargh engines of the world. It is not specializated, but it a good search engine in order to find several websites or iinformation resources or articles.
It is used in principle to access to websites like the UC3M webiste.
www.google.es
It is used in principle to access to websites like the UC3M webiste.
www.google.es
Library of the UC3M
It is the library of the University UC3M, where you can find the OPAC of the library. Furthermore, from this website you can access to several information resources like WOK.
In adittion, you can access to Refworks and other interesant tools to improve your works and get a better information.
Link of the website: http://www.uc3m.es/portal/page/portal/biblioteca.
In adittion, you can access to Refworks and other interesant tools to improve your works and get a better information.
Link of the website: http://www.uc3m.es/portal/page/portal/biblioteca.
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