see also: Questionnaire
We're working on formalizing these data. See design-eval.n3, design-eval.rdf and email discussion.
Evaluation by Eric Prud’hommeaux
Steve Harris points out that 3+ implementations of RDQL support quads
Alberto Reggiori follows up with useful info re: the utility of quads
Eric Prud’hommeaux describes how he implemented something functionally equivalent in Algae2
Comments by Alberto Reggiori, in response to Eric Prud’hommeaux’s eval of RDQL
Responses to questions about REX
More responses to questions about REX
More responses to questions about REX
Clarifications, corrections by Simon Raboczi
Evaluation by Yoshio FUKUSHIGE
ref: Howard Katz’s XsRQL
BRQL (includes self-eval)
@@in progress...
| SeRQL | Algae2 | TriQL | XSRQL |
RDQL | BRQL | |
| Evaluation(s) | by AndyS | by Dave Beckett | by Yoshio FUKUSHIGE | 1 July by Andy S. | by EricP | self-eval |
3.1 RDF Graph Pattern Matching |
+ | + | + | + | + | + |
| 3.2 Variable Binding Results | + | + | + | -? | + | + |
| 3.3 Extensible Value Testing | - | - | - | - | - | + |
| 3.4 Subgraph Results | + | - | +? | -? | - | + |
| 3.5 Local Queries | + | + | + | + | + | + |
| 3.6 Optional Match | + | + | - | + | - | + |
| 3.7 Limited Datatype Support | + | + | + | +? | + | + |
| 3.8 Bookmarkable Queries | + | ? | - | + | - | |
| 3.10 Result Limits | - | - | - | - | - | + |
| 3.11 Iterative Query | - | - | N/A | |||
| 3.12 Streamability | + | - | +? | |||
| 4.1 Human-friendly Syntax | + | - | + | + | + | |
| 4.2 Provenance | - | + | + | -? | -* | + |
| 4.3 Non-existent Triples | - | - | + | - | + | |
| 4.4 User-specifiable Serialization | - | - | N/A | - | ||
| 4.5 Aggregate Query | - | + | + | - | - | |
| 4.6 Additional Semantic Information | +* | - | - | + | - | |
| 4.7 Bandwidth-efficient Protocol | - | - | N/A | |||
| 4.8 Literal Search | - | + | -? | |||
| 4.9 Boolean Query | - | - | + |