Re: Configuring Jena TDB for a benchmark

2014-04-21 Thread Andy Seaborne
On 20/04/14 17:13, Saud Aljaloud wrote: Thanks Paul and Andy, Why are you suggesting non-public? The idea is that because we are benchmarking a number of triple stores, and our choice is to ask each of them about the best configurations privately for their own store, we want to reduce the

Re: Configuring Jena TDB for a benchmark

2014-04-21 Thread Saud Al-Jaloud
Just use current releases. We are using current releases, we are not looking for tuning systems but rather the right configs as this is some sort of an extension. Otherwise, some might argue that we were unfair/miss features for some stores over others. For example, buffer size or the way of

Re: Configuring Jena TDB for a benchmark

2014-04-21 Thread Andy Seaborne
On 21/04/14 12:23, Saud Al-Jaloud wrote: Just use current releases. We are using current releases, we are not looking for tuning systems but rather the right configs as this is some sort of an extension. Otherwise, some might argue that we were unfair/miss features for some stores over others.

Re: Configuring Jena TDB for a benchmark

2014-04-21 Thread Saud Aljaloud
On 21 Apr 2014, at 14:01, Andy Seaborne a...@apache.org wrote: I'd be interested in hearing in what ways the problem is different from SQL. Also - in SQL, there is LIKE. Would it be a good idea for SPARQL to have a separate LIKE SPARQL 1.1 is good in addressing this. There are now three

Re: Configuring Jena TDB for a benchmark

2014-04-20 Thread Andy Seaborne
On 19/04/14 18:33, Saud Aljaloud wrote: Dear Jena folks, We are investigating how efficient different triple stores, including Jena TDB, handle literal strings within SPARQL. To this end, We are now working on benchmarking these triple stores against a set of specific queries, using the Berlin

Re: Configuring Jena TDB for a benchmark

2014-04-20 Thread Saud Aljaloud
Thanks Paul and Andy, Why are you suggesting non-public? The idea is that because we are benchmarking a number of triple stores, and our choice is to ask each of them about the best configurations privately for their own store, we want to reduce the amount of core information of our work being

Configuring Jena TDB for a benchmark

2014-04-19 Thread Saud Aljaloud
Dear Jena folks, We are investigating how efficient different triple stores, including Jena TDB, handle literal strings within SPARQL. To this end, We are now working on benchmarking these triple stores against a set of specific queries, using the Berlin Benchmark (BSBM) test driver [1],

Re: Configuring Jena TDB for a benchmark

2014-04-19 Thread Paul Tyson
On Sat, 2014-04-19 at 18:33 +0100, Saud Aljaloud wrote: Dear Jena folks, We are investigating how efficient different triple stores, including Jena TDB, handle literal strings within SPARQL. To this end, We are now working on benchmarking these triple stores against a set of specific