[Virtuoso-users] bif:contains - using a string variable as search term

Hello, actually i'm trying to find a solution to compare two string variables (exact match of the string and if one variable contains the other). Is it possible (in any way) to use the bif:contains function in this case? Like /variable1 bif:contains variable2/ (or the other way round) ?

Re: [Virtuoso-users] bif:contains - using a string variable as search term

Robert, bif:strstr (?haystack, ?needle) will return an zero-based position of of ?needle in ?haystack, or NULL if not found [1]. Thus FILTER (BOUND (bif:strstr (?haystack, ?needle))) is what you need. For similar future needs, note FILTER (BOUND (bif:strcasestr (?haystack, ?needle))) Recent

[Virtuoso-users] Clear graph

Hello! I need to clear some graph from Virtuoso database. I execute sparql clear graph graphName from isql, virtuoso-t takes all my free memory but the size of database file doesn't become better and even select count(*) from graph graphName { ?s ?p ?o} doesn't become less. What am I doind wrong?

Re: [Virtuoso-users] Clear graph

Hi Alexander, Its been a while, but one of the last conversation we had about a year was with regards to clear graph issues you were having in which Ivan had suggested: Try define sql:log-enable NNN at the beginning of CLEAR GRAPH statement. That will invoke log_enable (NNN, 1) before the