Search with Xapian Guide
If your repository has Xapian search enabled for "Simple Search" (e.g. http://example.eprints.org/cgi/search/simple). Then you can make use of the Xapian search syntax to make more complex queries, which needing to use advanced search. This may be useful if you have another website you wish to search your EPrints repository with a specific filter on the results returned (e.g. only results for a particular faculty of department). Below is a guide to some of the syntax that can be used with Xapian-based search.
Search for phrase science in the field title
Search for the phrase smith in the field creators_name
Exact multiple word phrases can also be search for, such at the phrase biological science in the field abstract
The field names that can be searched under to match a text phrase are as follows: