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| Description | |
|---|---|
| Physical Description: | 414 stran : ilustrace. |
| Bibliography: | Obsahuje bibliografii, bibliografické odkazy a rejstřík |
| ISBN: | 978-80-7555-050-7 |
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To perform a multiple character, 0 or more, wildcard search use the * symbol.
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Use the tilde ~ symbol at the end of a Single word Term. For example, to search for variant spellings of "Tchaikovsky," use the fuzzy search:
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An additional parameter can specify the required similarity. The value is between 0 and 1, with a value closer to 1 only terms with a higher similarity will be matched. For example:
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Use the tilde ~ symbol at the end of a Multiple word Term. For example, to search for economics and keynes that are within 10 words apart:
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economics Keynes^5
Which will give more value to the term "Keynes"
Boolean operators allow terms to be combined with logic operators. The following operators are allowed: AND, +, OR, NOT and -.
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The AND operator is the default conjunction operator. This means that if there is no Boolean operator between two terms, the AND operator is used. The AND operator matches records where both terms exist anywhere in the field of a record.
To search for records that contain "economics" and "Keynes" use the query:
economics Keynes
or
economics AND Keynes
The "+" or required operator requires that the term after the "+" symbol exist somewhere in the field of a record.
To search for records that must contain "economics" and may contain "Keynes" use the query:
+economics Keynes
The OR operator links two terms and finds a matching record if either of the terms exist in a record.
To search for documents that contain either "economics Keynes" or just "Keynes" use the query:
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To search for documents that contain "economics" but not "Keynes" use the query:
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To search for documents that contain "economics" but not "Keynes" use the query:
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For certain complex searches, a single set of search fields may not be enough. For example, suppose you want to find books about the history of China or India. If you did an ALL Terms search for China, India, and History, you would only get books about China AND India. If you did an ANY Terms search, you would get books about history that had nothing to do with China or India.
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In the history of China or India example described above, you could solve the problem using search groups like this: