Reading/ online course on database creation from scratch, RDF format expected -


i grateful advice on start database creation. have html-files, need extract information , put in database , of rdf kind, non-relational. later on db should accessible via gui website. have never dealt neither db, nor rdf, have no idea start reading or taking course... found on coursera example: https://www.coursera.org/course/db not sure if useful me, since there nothing rdf mentioned in syllabus.

i'm still not clear question let me attempt answer , maybe ask additional questions.

triplestores

there number of existing "rdf databases", called triple stores. recommend try:

they both free , established.

once have triple store installed, can import , query rdf triples create.

how start rdf

to general higher-level idea about, read short introduction: introduction to: ontologies

this question has pointers additional resources rdf , owl: what best way learn rdf / owl?

i recommend starting simple rdf , rdf/s (in contrast owl).

you can try create rdf/s ontology data want represent in rdf might easier start skos: introduction to: skos. in skos, can focus on representing broader than , narrower than relationships between concepts. allow gentler start rdf, in opinion.

extracting rdf html

it difficult create rdf given html page automatically if html page not structured. might need tool such apache tika content analysis , nlp tools natural language parsing, entity recognition, etc. can have @ opencalais entity recognition.


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