You are hereFeatures Comparison of Spyder and D2RQ
Features Comparison of Spyder and D2RQ
Spyder is enterprise software exposing data sources as RDF. It is a fully supported, commercial software product, scaleable to meet the needs of any size organization.
D2RQ is an academic, freeware alternative to exposing data sources at RDF. See the links at the bottom page for more information.
This comparison highlights some of the key differences regarding the functionality and support of these two alternatives.
|
Category |
Feature Description |
Spyder |
D2RQ |
|
Deployment |
Can run as standalone server |
yes |
yes |
|
|
Can run in a servlet container (via WAR) |
yes |
yes |
|
Enterprise Scale |
Commercial, enterprise software |
yes |
no |
| Disk-buffered memory management | yes | no | |
|
|
Parallel query processing framework |
yes |
no |
|
|
High-speed result-transfer protocol |
yes |
no |
|
|
Centralized, ticketed help desk support |
yes |
no |
|
Tools |
Command line tool for testing mappings |
yes |
yes |
|
|
Web UI for SPARQL queries |
yes |
no (in D2R) |
|
API |
REST API |
yes |
no (in D2R) |
|
|
Submit SPARQL query |
yes |
yes |
|
R2RML |
Supports R2RML mapping language |
yes |
no |
|
|
Auto-generates R2RML mappings |
yes |
no |
|
Database Support |
Supports Oracle |
yes |
yes |
|
|
Supports DB2 |
yes |
no |
|
|
Supports MySQL |
yes |
yes |
|
|
Supports Excel flat files |
yes |
no |
|
|
Supports CSV flat files |
yes |
no |
|
|
Supports Microsoft SQL Server |
yes |
yes |
|
|
Supports ODBC data sources |
no |
yes |
|
|
Supports generic SQL-92 sources |
yes |
yes |
|
|
Supports PostgreSQL |
no |
yes |
|
Metadata import |
Metadata import supported |
yes |
yes |
|
SPARQL |
Basic SELECT queries |
yes |
yes |
|
|
UPDATE (SPARQL 1.1) |
no |
yes |
|
|
Supports LIMITs and OFFSET (pagination) |
yes |
yes |
|
Functionality |
Database dumps |
yes |
yes |
|
|
Linked data publishing |
no |
yes |
Additional Spyder information can be found in the User’s Guide, the SPARQL Support doc, and the release notes. Please see the Spyder download page here.
Addtional information about D2RQ can be found here.
API = functionality exposesd through an API