Report:Inspec/Common Ways to Access/Individual System Details/STN
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STN
| Feature | Comments |
| Are all file specific search fields enabled? | Yes. |
| Is the Thesaurus for controlled vocabulary accessible? | Yes, with full capabilities such as related terms. |
| Which search operators are available? | Boolean operators; numeric operators*; proximity operators. Proximity operators include directional (fixed order) proximity, proximity operators that allow a fixed number of terms between words, proximity operators that limit results to the same sentence or same field, and finally, "NOT proximal" searching (specifying that the terms must be at least a fixed distance apart). |
| Is truncation available? | Yes, both unlimited and limited right truncation operators are available; limited left truncation is available in the Basic Index, abstract, and title; SLART** is available in the title; single character internal, left, and right truncation is available. |
| Graphical or command line interface? | Command line. |
| What dates are covered? | Inspec is available from 1969-date and Inspec Archive is available from 1898-1968. |
| *The Compendex database contains numeric information. Numeric operators allow this data to be searched as a single value, a range of values, or any value above or below a particular number.
**SLART stands for Simultaneous Left And Right Truncation. |
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Additional Commentary
STN is a search tool produced by CAS (a subdivision of the American Chemical Society) for accessing both patent and non patent literature databases including Inspec. Subject coverage focuses on natural, social, and applied sciences and math including: biotechnology, chemistry, engineering, materials, medicine, and nanotechnology among many others. STN has three options for searching: STN Express, STN on the Web, and STN Easy. The STN data sheet for Inspec can be found here (PDF).
