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Lund University

LUBsearch & Electronic Resources: Searching

Searching

Below, find out more about:

 

Basic search

 

The basic search interface allows you to make certain settings before you search. The default setting is that you search among key words. This means that you search among the following: 

  • Authors
  • Subjects
  • Keywords
  • Title information including source title
  • Abstracts (if there is no abstract, the first 1500 characters in HTML full text are searched)

 

 

 

Instead of searching for Keyword you can choose Title or Author for a more defined search:

 

 

 

 

Advanced search 

 

In advanced search, you can combine several different subsearches in different fields to create a more complex search. Please note that you need to choose either AND or OR between all the fields defining your search. You can also combine several terms with OR within a field and then combine that field with another using AND. 

 

In the advanced search option, you can specify which field you are searching for. 

 

Be aware of the logical order in which words are connected when using Advanced search:

  • Databases usually recognize AND as the primary operator, and will connect concepts with AND together first.
  • If you use a combination of AND and OR operators in a search, enclose the words to be "ORed" together in parentheses.

(mouse OR rat) AND trap will return articles about mouse traps and rat traps but the search for mouse OR rat AND trap will return articles about mice together with articles about rat traps.

More information from EBSCO on searching with boolean operators.

 

 

Search options

 

In both the simple and the advanced search, you can make a number of selections:

 

 

 

A. The various search settings mean that the search words are processed in various ways. The default setting is Find all my search terms (AND) which means that all the search terms must be present in the searched fields for the entry to appear in the results list.

If you have very specific search terms, you can use Find any of my search terms (OR) to get results on one of the terms.

Proximity search means that the search terms must be within five words of one another (NEAR 5).

SmartText Searching is used when you don’t get any results or if you want to search using a larger amount of text. You can copy and paste in up to 5000 characters and search for the entire text. Then an algorithm analyses the text and extracts central terms to use them as search words. In this case, the search only covers EBSCO databases (e.g. MEDLINE and CINAHL).

BApply related words means that the system maps the search terms with related terms and searches for these as well.

C. Also search within the full text of the articles is not the default setting in LUBsearch; it means that you search in whole articles in cases where EBSCO has an agreement with the publisher even if LU does not have access to the full text. This gives more results as the search terms are not necessarily included in the brief bibliographic entries or in the publisher’s information, but may appear only in the article itself (it is then ranked as less relevant than in cases where the word appears in the title or as a subject word, however – see below in section on relevance calculation).

D. Accessible at Lund University  (full text + LUBcat) means that you only search among material which is accessible in the libraries’ collections, i.e. e-resources which LU pays for, material which is in the LUBcat library catalogue or available through Open Access. Unselect this option if you want to make more exhaustive searches in the index, i.e. search in the whole of Scopus, MEDLINE, Web of Science, etc.

E. Peer Reviewed  limits the search to articles which are classified as peer-reviewed, i.e. this option eliminates book reviews, letters to the editor, etc.

F. Library catalogue (LUBcat) and Location limit the search to the library catalogue LUBcat. Use this if you only want the content of the library catalogue. With Location you can limit your search to a specific library within Lund University.

G. Journal name limits the search to to the specific journal. Note that this does not work for abbreviations.

H. Author name limits the search to the given author.

IImage Quick View Types means that photographs, tables, graphs, etc. are shown as thumbnail images in the result list. Please note that the search is limited to results which contain a quick view image. See the example below:

 

 

JReviewed Book Title means that the search is limited to articles which contain the search term or terms in the title. Please note that this function does not work in the way its name would indicate!

K. Date Published limits the search to material from the period entered.

Search tips

Phrases are most easily searched for by placing the search terms in quotation marks, e.g. “heart failure”, and this works with Find all my search terms and Find any of my search terms (see above).  Please note that so called "stop words" (e.g. "in", "of", "the" etc.) are not included in phrases. Read more in the help texts in LUBsearch (http://support.ebsco.com/help/index.php?help_id=3836)

Truncation (e.g. heart* to search for the word stem) and wildcards (e.g. S?rensen for Sörensen or Sørensen, or colo#r for color or colour) can be used – see the help texts in LUBsearch for more information (http://support.ebsco.com/help/index.php?help_id=3838).

It is also possible to use complex search strings with quotation marks together with various operators.

Search history

 

The Search History allows you to return to previous searches to review them. You can also combine several searches into complex searches. The image below is search 3 (S3) a combination of S1 (findability OR retrievability) and S2 (web OR internet), i.e. a search with two blocks: (findability OR retrievability) AND (web OR internet).

 

 

 

Create an alert

How to create an alert

By using share in the result list you can create an alert via RSS-feed or E-mail.

To get updates via e-mail you have to log in to LUBsearch (EBSCO-account). Please note that this account is not the same as your student account or LUCAT. See example below

 

The results list and the detailed record

The results list ranks the results according to a calculation of their relevance, but the list can also be sorted by publication date (newest or oldest first).

 

Result presentation

 

rankning i träfflistan

 

Relevance is calculated with reference to where and how often the search terms appear (see http://www.ebscohost.com/discovery/technology/relevancy-ranking). You can also choose to sort the results by publishing date.

In order of importance:

  1. In the field for the subject word from controlled thesauruses
  2. In the title
  3. Among the article author’s subject words
  4. In the abstract
  5. In the full text (if it is indexed by EBSCO)

Exact matches are ranked highest, but the location of the search terms is also taken into account. How often the search terms are present in relation to the length of the text (density) also counts, in particular if they are present in the title, subject word field or abstract. Other factors which affect the ranking:

– Document type: some types can be assigned a lower value

– Publication date: in case of equivalent relevance, the most recently published document is ranked higher

– Length: in case of equivalent relevance, longer articles are ranked higher than shorter ones

Once the relevance has been calculated in the various data sources, all matching results are displayed in a results list. This eliminates the results which appear in more than one data source so that only one article entry appears in the results list, i.e. if the matching works, the entries for a certain article from MEDLINE and CINAHL will not both be shown in the results list, but only one will appear (multiple results are removed). This means that a result from CINAHL high up on the results list often also represents a result in MEDLINE.

The results list shows a summary of the record:

 

 

It is worth noting that at the end of the bibliographic information (text in gold) the database from which the result and the information originate is shown. In the example above, the source is CINAHL Plus with Full Text

If you click on a title, you get to the detailed record (which can vary in length):

 

 

To the left of the detailed record are links to the full text, PDF Full Text or FulltextFinder (formerly LU Linker).

 

 

These are the same as the links in the results list.

To the right of the detailed entry are other functions/tools:

 

 

Some of these functions require you to be logged in to LUBsearch (with an EBSCO host account, see My account in LUBsearch).

E-books and "terms of use"

Some e-books have a limited amount of simultaneous users. Those e-books have a link with the green text "Terms of use". If you click on the link you will get a short information on what is valid for that book.

Searching the library’s collections (Accessible at Lund University)

 

LUBsearch limits the search to the material (mainly books and journals) which is available at LU. The limiter called Accessible at Lund University can easily be removed by unselecting the option on one of the two alternatives shown on the image below:

 

 

If you unselect Accessible at Lund University, you will be searching the whole of the available index, regardless of whether or not LU has access to the material.

 

Limiters and facets

 

In LUBsearch, limiters and facets work in different ways. Limiters can be placed before the search (under Search Options) and they remain in place until you remove them (or select New Search). Facets are a way of delimiting the results in the results list. Different types of limiters and facets appear to the left of the results list:

 

 

A.  Under Current Search you can choose to unselect limiters by unticking the box.

BLimit To is a mini-version of the search options applied to your results (see above). If you select Show More the whole window with all available options will appear.

CSource Types lists the number of results of each type. This can be limited to one or several types.

DSubject is an automatic clustering of the results into partial subjects. The usability varies depending on the composition of the results list.

EPublication is the number of results per journal.

FPublisher is the publishing house which published the articles/books shown in the results list.

GLanguage shows the number of results in each language.

HGeography constructs geographical subject words, e.g. continents, countries, or US states.

I. Location lists the libraries at Lund University where printed material in the result list is located. 

J. Collection shows results from each sub-collection.

KContent Provider (data sources) shows the number of results in each data source (activated sub-databases in addition to the search engine’s basic index).