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I build QAS (Question Answering System ) and I use DBpedia as knowledge base so i need find resource in my question like (Algeria , Florida , barack obama ..) , i have problem when i use "dbpedia-spotlight Tool" i can't get all resource i need , Example:

"birthday of Abbas el-Akkad " resource is "Abbas el-Akkad" but i can't get it with "dbpedia-spotlight" you can try out here

Another example :

"What is the largest city in Australia?" Correct resource is Australia but i get Australia_II .

Please any advice to me for get correct resources that is on DBpedia resource. I use default parameters in(dbpedia-spotlight), Java language .

Question get correct resource and correct Answers :

  • give me 23rd president of the united states?

  • what is capital of Iran

  • give me birthdate of obama

  • What is the largest city in Chaina?

  • what is tall Lionel Messi?

  • How tall is Claudia Schiffer?

  • Short Description of obama

  • how many people in Algeria

  • Why is the sky blue?

  • how many students in university of manitoba

  • Where was George Washington born?

  • When was George Washington born?

Adel
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1 Answers1

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Spotlight is a context oriented tool. Sometimes it's makes mistakes if you try to annotate small texts.

I tried your question What is the largest city in Australia? and I got success.

Actually, we have been working with two approaches: Lucene - http://spotlight.dbpedia.org/rest/ and Statistical - http://spotlight.sztaki.hu:2222/rest. For your case, I recommend you to use Lucene approach.

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

Sandro Athaide
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