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Bash Datalog: Answering Datalog Queries with Unix Shell Commands
Published on 2018-11-222865 Views
Dealing with large tabular datasets often requires extensive preprocessing. This preprocessing happens only once, so that loading and indexing the data in a database or triple store may be an overkill
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Bash Datalog: Answering Datalog Queries with Unix Shell Commands00:00
Whom did Elvis Presley influence? - 100:12
Whom did Elvis Presley influence? - 200:25
Whom did Elvis Presley influence? - 300:28
Whom did Elvis Presley influence? - 400:35
Whom did Elvis Presley influence? - 500:51
When Bash makes sense01:09
Scenario01:50
Our goal02:10
Step 1: SPARQL to Datalog - 102:17
Step 1: SPARQL to Datalog - 203:02
Step 2: Datalog to Relational Algel03:33
Step 3: Optimization04:21
Step 3: Optimization&Materializa05:20
Step 4: Translation to Bash - 206:24
Step 4: Translation to Bash - 106:42
Step 4: Translation to Bash - 307:07
Step 4: Translation to Bash - 407:48
Experiments08:32
Experiments on the LUBM benchma09:24
Experiments on large datasets10:21
The best: no software installation11:36
Conclusion12:04