COlivri looks for free text in the title and authors and provides filters to refine the search:
- dist:R R kilometers around your location (ex: dist:5)
- tag:tag-name (ex: tag:art)
- group:group-name (ex: group:pylule)
- lang:iso 639-2 trigram (ex: lang:eng, lang:fra, lang:spa)
- user:username (ex: user:eugene)
filters must be explicitly removed (click on x).