是否可以使用 RDFLIB 绘制 Sesame RDF 数据库的图形?这是我尝试过的:
endpoint = "http://127.0.0.1:8080/openrdf-workbench/repositories/movies/explore?resource=%3Cfile%3A%2F%2Fmovies_export.rdf%3E"
from rdflib import Graph
g = Graph()
g.parse(endpoint)
这是错误:
Traceback (most recent call last):
File "C:\Software\rdflib\movieGraph.py", line 10, in <module>
g.parse(endpoint)
File "c:\python26_32bit\lib\site-packages\rdflib\graph.py", line 756, in parse
parser = plugin.get(format, Parser)()
File "c:\python26_32bit\lib\site-packages\rdflib\plugin.py", line 89, in get
raise PluginException("No plugin registered for (%s, %s)" % (name, kind))
rdflib.plugin.PluginException: No plugin registered for (application/xml, <class
'rdflib.parser.Parser'>)
我认为唯一的技巧是指定一个正确的 URL 以使 Sesame 返回一个 .rdf xml 布局。
问题作者:转贴到http://answers.semanticweb.com/questions/9414/python-using-rdflib-to-graph-a-sesame-database(见那里的答案)