| Stratum 1 | ||
|---|---|---|
| Service Matches: These resources provide links directly to an article via web-based services. | ||
| DOI Proxy | http://dx.doi.org | More Info |
| LinkBaton | http://www.linkbaton.com | More Info |
| URL | Not Available | More Info |
| Stratum 2 | ||
|---|---|---|
| Publication matches: These resources provide a link to the publication in which an article was published. | ||
| Academic Radiology | http://www.academicradiology.com/ | More Info |
| Ariadne | http://www.ariadne.ac.uk | More Info |
| Behavioral and Brain Sciences | http://www.bbsonline.org/ | More Info |
| Cortex | http://www.cortex-online.org/ | More Info |
| D-Lib | http://www.dlib.org | More Info |
| Information Society | http://www.slis.indiana.edu/TIS/ | More Info |
| New Journal of Physics | http://www.njp.org/ | More Info |
| Psycoloquy | http://psycprints.ecs.soton.ac.uk/ | More Info |
| Stratum 3 | ||
|---|---|---|
| High Probability Matches: These resources search one or many publications, so providing a wider scope than a unique match. | ||
| CiteBase | http://citebase.eprints.org | More Info |
| OAIster | http://oaister.umdl.umich.edu/o/oaister/ | More Info |
| Stratum 4 | ||
|---|---|---|
| Low Probability Matches: These resources concentrate on certain subject areas, such as Physics or Computer Science, so are less likely to get an exact match, but may return other articles by the same author or on the same topic | ||
| Cogprints | http://cogprints.ecs.soton.ac.uk/ | More Info |
| DLIST | http://dlist.sir.arizona.edu/ | More Info |
| Organic Eprints | http://www.orgprints.org | More Info |
| ResearchIndex | http://citeseer.nj.nec.com/cs | More Info |
| University of Southampton ECS Publications | http://eprints.ecs.soton.ac.uk | More Info |
| VT CS Tech Reports | http://eprints.cs.vt.edu:8080/ | More Info |
| Wisdom Archive | http://wisdomarchive.wisdom.weizmann.ac.il:81/ | More Info |
| arXiv | http://www.arxiv.org | More Info |
| Stratum 5 | ||
|---|---|---|
| Wide-Ranging Matches: These resources cover a large variety of subjects. These are not displayed unless you have requested them in your preferences (sensible defaults are chosen otherwise). | ||
| http://www.google.com | More Info | |
| Google Scholar | http://scholar.google.com | More Info |
| Scirus | http://www.scirus.com | More Info |
| Vivisimo | http://www.vivisimo.com/ | More Info |
| Zetoc | http://zetoc.mimas.ac.uk | More Info |