Searching in Euclid
Searching in Euclid is boolean based, with the ability to limit query terms to specific fields.
Search fields: Besides the search fields of Author(s), Title, and Abstract, you may limit your query term to the following:
- Subject - terms taken from a controlled vocabulary, such as the Mathematical Subject Classification. When searching for MSC terms, use the MSC numeric codes, such as 14N15. To broaden a subject search, you may truncate the query term with the wildcard character (*), such as 14N*.
- Keyword - freely assigned terms (uncontrolled vocabulary) selected by an author or by publishers.
- All Fields - this includes all of the descriptive fields above--that is, all fields except full text.
- Full Text - all the words from every page of the source document are indexed and included in this field.
While every document in Euclid will have a title, the use of other data elements is less uniform. Bear this in mind when searching across Euclid. Nearly all documents will have an author, but it is not required (an editorial statement or issue introduction, for example, may not have an author). Some documents, especially retrospectively converted historical materials, may not have Abstracts. The use of Subjects and Keywords varies across published formats and from journal to journal.
Query terms: Each word is considered an individual term and by default is combined by a Boolean AND operator with any other term in the same query box (see Boolean operators below).
To search on a phrase, use quotation marks ("weak derivatives" will find this exact phrase). For truncation, use the wildcard character *.
Case (upper and lower) is ignored in indexing. Diacritical marks are also ignored (muller will find Müller).
Boolean operators: By default, terms within a single query box are combined by a Boolean AND operator. To construct a Boolean OR search, use separate query boxes and select OR in the pull-down menu. To build a search across different fields, use the appropriate pull-down menus to select the desired Boolean operator (AND or OR).
Sort results by: By default, search results will be sorted by date of publication. You may select another sort order: by author name, by document title, by publication name, or by rank (an attempt at relevance ranking).
Limiting search to specific publications: By default, searches are run across all the publications in Euclid. You may restrict this search base by using the publication select box. If a single publication title is selected, the search will be limited to material published in that publication. Multiple titles can be selected using the shift key (for a span of titles) or control key (for individual titles).
Click on "browse" in the top menu to see a complete list of publications in Euclid.
The initial browse list is of journal holdings. Journals can also be sort by publisher and general discipline.
For browse lists of monograph collections and conference proceedings, click on the appropriate link in the right hand navigation bar.
Document Record Pages
Every document in Euclid has a document record, or abstract, page. This page describes the found or requested document by listing the principal data elements associated with it, such as author, title, abstract, subjects, keywords, document identifiers, etc. The full-text viewing options and download formats available to you will also be listed here, if you are authorized to view the full content of the document.
This page is the main access point, or "home" page, for the requested document. One can link directly to a specific document record page from outside Euclid by attaching the document's Euclid identifier (e.g., euclid.xxx/123456789) to the end of the Project Euclid URL: http://projecteuclid.org/
Euclid has been tested with Internet Explorer 5.XX (and higher) and Netscape 4.XX (and higher). Please inform us of problems you are experiencing.
More recent releases of Internet Explorer and Netscape have more complete Unicode character support for accented characters and mathematical symbols. Older versions of Netscape will display a question mark (?) when it encounters a character it cannot render. These should display properly in more recent versions of these web browsers.
Project Euclid supports the use of MathML in titles and abstracts. Although there are a number of browsers capable of displaying MathML, each browser uses a different method to do so.
Project Euclid first checks a user's browser and then presents the title and abstract accordingly. Currently, we send MathML to the following browsers. For browsers not on this list, we replace the MathML with TeX coding.
- Internet Explorer 6.0, using MathPlayer, a free MathML display plug-in.
- Current Mozilla, Firefox and Netscape browsers support MathML natively.
If you have problems viewing math expressions in Project Euclid publications, please let us know.