java - Dbpedia-spotlight missing resource -


i build qas (question answering system ) , use dbpedia knowledge base need find resource in question (algeria , florida , barack obama ..) , have problem when use "dbpedia-spotlight tool" can't resource need , example:

"birthday of abbas el-akkad " resource "abbas el-akkad" can't "dbpedia-spotlight" can try out here

another example :

"what largest city in australia?" correct resource australia australia_ii .

please advice me correct resources on dbpedia resource. use default parameters in(dbpedia-spotlight), java language .

question correct resource , correct answers :

  • give me 23rd president of united states?

  • what capital of iran

  • give me birthdate of obama

  • what largest city in chaina?

  • what tall lionel messi?

  • how tall claudia schiffer?

  • short description of obama

  • how many people in algeria

  • why sky blue?

  • how many students in university of manitoba

  • where george washington born?

  • when george washington born?

spotlight context oriented tool. make mistakes if try annotate small texts.

i tried question largest city in australia? , got success.

actually, have been working 2 approaches: lucene - http://spotlight.dbpedia.org/rest/ , statistical - http://spotlight.sztaki.hu:2222/rest. case, recommend use lucene approach.

e.g: why sky blue? - http://spotlight.dbpedia.org/rest/annotate?text=%20why%20is%20the%20sky%20blue?&confidence=0.3


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