Joseph S. Park and David W. Embley Brigham Young University

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Presentation transcript:

Joseph S. Park and David W. Embley Brigham Young University Extracting and Organizing Facts of Interest from OCRed Historical Documents Joseph S. Park and David W. Embley Brigham Young University

Motivation Large collection of scanned, OCRed books Stated facts Implied facts Inferred Same-as (entities)

Stated Facts of Interest William Gerard Lathrop married Charlotte Brackett Jennings in 1837 is the son of Mary Ely was born in 1812

Inferred Facts of Interest William Gerard Lathrop has gender Male Maria Jennings has gender Female Maria Jennings has surname Lathrop

Same-as (Entities) William Gerard Lathrop Gerard Lathrop Mary Ely

FROntIER OntoES Jena reasoner Duke RDF output parameters comparators <owl:Thing rdf:ID="Person_1"/> <rdf:type rdf:resource="&family;Spouse"/> <rdf:type rdf:resource="&family;Child"/> <owl:Thing rdf:about="#Person_1"> <rdf:type rdf:resource="&family;Person"/> <rdf:type rdf:resource="&family;Name"/> <owl:Thing rdf:about="#Name_1"> <owl:Thing rdf:ID="Name_1"/> </owl:Thing> <rdf:type rdf:resource="&family;GivenName"/> <owl:Thing rdf:about="#GivenName_1"> <owl:Thing rdf:ID="GivenName_1"/> <family:GivenNameValue rdf:datatype="&xsd;string">Abigail</family:GivenNameValue> <rdf:Description rdf:about="#GivenName_1"> </rdf:Description> <owl:Thing rdf:about="#GivenName_2"> <owl:Thing rdf:ID="GivenName_2"/> <family:GivenNameValue rdf:datatype="&xsd;string">Huntington</family:GivenNameValue> <rdf:Description rdf:about="#GivenName_2"> <owl:Thing rdf:about="#Surname_1"> <owl:Thing rdf:ID="Surname_1"/> <family:SurnameValue rdf:datatype="&xsd;string">Lathrop</family:SurnameValue> <rdf:Description rdf:about="#Surname_1"> <rdf:type rdf:resource="&family;Surname"/> <owl:Thing rdf:about="#BirthDate_1"> <rdf:type rdf:resource="&family;BirthDate"/> <owl:Thing rdf:ID="BirthDate_1"/> <rdf:Description rdf:about="#BirthDate_1"> <owl:Thing rdf:about="#MarriageDate_1"> <owl:Thing rdf:ID="MarriageDate_1"/> <family:BirthDateValue rdf:datatype="&xsd;date">1810-00-00</family:BirthDateValue> <rdf:type rdf:resource="&family;MarriageDate"/> <family:MarriageDateValue rdf:datatype="&xsd;date">1835-00-00</family:MarriageDateValue> <rdf:Description rdf:about="#MarriageDate_1"> <owl:Thing rdf:ID="Gender_1"/> <rdf:type rdf:resource="&family;Gender"/> <owl:Thing rdf:about="#Gender_1"> <family:GenderValue rdf:datatype="&xsd;string">Female</family:GenderValue> <rdf:Description rdf:about="#Gender_1"> <family:Person-BirthDate rdf:resource="#BirthDate_1"/> <rdf:Description rdf:about="#Person_1"> <family:Person-Name rdf:resource="#Name_1"/> <family:Person-Child rdf:resource="#Person_6"/> <family:Person-Child rdf:resource="#Person_5"/> <family:Person-Gender rdf:resource="#Gender_1"/> <rdf:Description rdf:about="#Name_1"> <family:Name-Surname rdf:resource="#Surname_1"/> <family:Name-GivenName rdf:resource="#GivenName_2"/> <family:Name-GivenName rdf:resource="#GivenName_1"/> <family:PersonMarriageDateMarriagePlaceSpouse-Person rdf:resource="#Person_1"/> <rdf:Description rdf:about="#PersonMarriageDateMarriagePlaceSpouse_1"> <owl:Thing rdf:ID="PersonMarriageDateMarriagePlaceSpouse_1"/> <family:PersonMarriageDateMarriagePlaceSpouse-MarriageDate rdf:resource="#MarriageDate_1"/> <family:PersonMarriageDateMarriagePlaceSpouse-Spouse rdf:resource="#Person_4"/> RDF output Jena reasoner OntoES convert to RDF comparators parameters owl:sameAs convert to csv Duke [(?x rdf:type source:Person) -> (?x rdf:type target:Person)] [(?x source:Person-Name ?n),(?n source: NameValue ?nv), isMale(?nv),makeTemp(?gender) -> (?x target:Person-Gender ?gender),(?gender rdf:type target:Gender), (?gender target:GenderValue `Male'^^xsd:string)]

FROntIER OntoES Jena reasoner Duke RDF output parameters comparators <owl:Thing rdf:ID="Person_1"/> <rdf:type rdf:resource="&family;Spouse"/> <rdf:type rdf:resource="&family;Child"/> <owl:Thing rdf:about="#Person_1"> <rdf:type rdf:resource="&family;Person"/> <rdf:type rdf:resource="&family;Name"/> <owl:Thing rdf:about="#Name_1"> <owl:Thing rdf:ID="Name_1"/> </owl:Thing> <rdf:type rdf:resource="&family;GivenName"/> <owl:Thing rdf:about="#GivenName_1"> <owl:Thing rdf:ID="GivenName_1"/> <family:GivenNameValue rdf:datatype="&xsd;string">Abigail</family:GivenNameValue> <rdf:Description rdf:about="#GivenName_1"> </rdf:Description> <owl:Thing rdf:about="#GivenName_2"> <owl:Thing rdf:ID="GivenName_2"/> <family:GivenNameValue rdf:datatype="&xsd;string">Huntington</family:GivenNameValue> <rdf:Description rdf:about="#GivenName_2"> <owl:Thing rdf:about="#Surname_1"> <owl:Thing rdf:ID="Surname_1"/> <family:SurnameValue rdf:datatype="&xsd;string">Lathrop</family:SurnameValue> <rdf:Description rdf:about="#Surname_1"> <rdf:type rdf:resource="&family;Surname"/> <owl:Thing rdf:about="#BirthDate_1"> <rdf:type rdf:resource="&family;BirthDate"/> <owl:Thing rdf:ID="BirthDate_1"/> <rdf:Description rdf:about="#BirthDate_1"> <owl:Thing rdf:about="#MarriageDate_1"> <owl:Thing rdf:ID="MarriageDate_1"/> <family:BirthDateValue rdf:datatype="&xsd;date">1810-00-00</family:BirthDateValue> <rdf:type rdf:resource="&family;MarriageDate"/> <family:MarriageDateValue rdf:datatype="&xsd;date">1835-00-00</family:MarriageDateValue> <rdf:Description rdf:about="#MarriageDate_1"> <owl:Thing rdf:ID="Gender_1"/> <rdf:type rdf:resource="&family;Gender"/> <owl:Thing rdf:about="#Gender_1"> <family:GenderValue rdf:datatype="&xsd;string">Female</family:GenderValue> <rdf:Description rdf:about="#Gender_1"> <family:Person-BirthDate rdf:resource="#BirthDate_1"/> <rdf:Description rdf:about="#Person_1"> <family:Person-Name rdf:resource="#Name_1"/> <family:Person-Child rdf:resource="#Person_6"/> <family:Person-Child rdf:resource="#Person_5"/> <family:Person-Gender rdf:resource="#Gender_1"/> <rdf:Description rdf:about="#Name_1"> <family:Name-Surname rdf:resource="#Surname_1"/> <family:Name-GivenName rdf:resource="#GivenName_2"/> <family:Name-GivenName rdf:resource="#GivenName_1"/> <family:PersonMarriageDateMarriagePlaceSpouse-Person rdf:resource="#Person_1"/> <rdf:Description rdf:about="#PersonMarriageDateMarriagePlaceSpouse_1"> <owl:Thing rdf:ID="PersonMarriageDateMarriagePlaceSpouse_1"/> <family:PersonMarriageDateMarriagePlaceSpouse-MarriageDate rdf:resource="#MarriageDate_1"/> <family:PersonMarriageDateMarriagePlaceSpouse-Spouse rdf:resource="#Person_4"/> RDF output Jena reasoner OntoES convert to RDF comparators parameters owl:sameAs convert to csv Duke [(?x rdf:type source:Person) -> (?x rdf:type target:Person)] [(?x source:Person-Name ?n),(?n source: NameValue ?nv), isMale(?nv),makeTemp(?gender) -> (?x target:Person-Gender ?gender),(?gender rdf:type target:Gender), (?gender target:GenderValue `Male'^^xsd:string)]

Extraction Ontologies Conceptual model Instance recognizers

Lexical Object-Set Recognizers BirthDate external representation: \b[1][6-9]\d\d\b left context: b\.\s right context: [.,] …

Non-lexical Object-Set Recognizers Person object existence rule: {Name} … Name external representation: \b{FirstName}\s{LastName}\b …

Relationship-set Recognizers Person-BirthDate external representation: ^\d{1,3}\.\s{Person},\sb\.\s{BirthDate}[.,] …

Ontology-snippet Recognizers ChildRecord external representation: ^(\d{1,3})\.\s+([A-Z]\w+\s[A-Z]\w+) (,\sb\.\s([1][6-9]\d\d))?(,\sd\.\s([1][6-9]\d\d))?\.

FROntIER OntoES Jena reasoner Duke RDF output parameters comparators <owl:Thing rdf:ID="Person_1"/> <rdf:type rdf:resource="&family;Spouse"/> <rdf:type rdf:resource="&family;Child"/> <owl:Thing rdf:about="#Person_1"> <rdf:type rdf:resource="&family;Person"/> <rdf:type rdf:resource="&family;Name"/> <owl:Thing rdf:about="#Name_1"> <owl:Thing rdf:ID="Name_1"/> </owl:Thing> <rdf:type rdf:resource="&family;GivenName"/> <owl:Thing rdf:about="#GivenName_1"> <owl:Thing rdf:ID="GivenName_1"/> <family:GivenNameValue rdf:datatype="&xsd;string">Abigail</family:GivenNameValue> <rdf:Description rdf:about="#GivenName_1"> </rdf:Description> <owl:Thing rdf:about="#GivenName_2"> <owl:Thing rdf:ID="GivenName_2"/> <family:GivenNameValue rdf:datatype="&xsd;string">Huntington</family:GivenNameValue> <rdf:Description rdf:about="#GivenName_2"> <owl:Thing rdf:about="#Surname_1"> <owl:Thing rdf:ID="Surname_1"/> <family:SurnameValue rdf:datatype="&xsd;string">Lathrop</family:SurnameValue> <rdf:Description rdf:about="#Surname_1"> <rdf:type rdf:resource="&family;Surname"/> <owl:Thing rdf:about="#BirthDate_1"> <rdf:type rdf:resource="&family;BirthDate"/> <owl:Thing rdf:ID="BirthDate_1"/> <rdf:Description rdf:about="#BirthDate_1"> <owl:Thing rdf:about="#MarriageDate_1"> <owl:Thing rdf:ID="MarriageDate_1"/> <family:BirthDateValue rdf:datatype="&xsd;date">1810-00-00</family:BirthDateValue> <rdf:type rdf:resource="&family;MarriageDate"/> <family:MarriageDateValue rdf:datatype="&xsd;date">1835-00-00</family:MarriageDateValue> <rdf:Description rdf:about="#MarriageDate_1"> <owl:Thing rdf:ID="Gender_1"/> <rdf:type rdf:resource="&family;Gender"/> <owl:Thing rdf:about="#Gender_1"> <family:GenderValue rdf:datatype="&xsd;string">Female</family:GenderValue> <rdf:Description rdf:about="#Gender_1"> <family:Person-BirthDate rdf:resource="#BirthDate_1"/> <rdf:Description rdf:about="#Person_1"> <family:Person-Name rdf:resource="#Name_1"/> <family:Person-Child rdf:resource="#Person_6"/> <family:Person-Child rdf:resource="#Person_5"/> <family:Person-Gender rdf:resource="#Gender_1"/> <rdf:Description rdf:about="#Name_1"> <family:Name-Surname rdf:resource="#Surname_1"/> <family:Name-GivenName rdf:resource="#GivenName_2"/> <family:Name-GivenName rdf:resource="#GivenName_1"/> <family:PersonMarriageDateMarriagePlaceSpouse-Person rdf:resource="#Person_1"/> <rdf:Description rdf:about="#PersonMarriageDateMarriagePlaceSpouse_1"> <owl:Thing rdf:ID="PersonMarriageDateMarriagePlaceSpouse_1"/> <family:PersonMarriageDateMarriagePlaceSpouse-MarriageDate rdf:resource="#MarriageDate_1"/> <family:PersonMarriageDateMarriagePlaceSpouse-Spouse rdf:resource="#Person_4"/> RDF output Jena reasoner OntoES convert to RDF comparators parameters owl:sameAs convert to csv Duke [(?x rdf:type source:Person) -> (?x rdf:type target:Person)] [(?x source:Person-Name ?n),(?n source: NameValue ?nv), isMale(?nv),makeTemp(?gender) -> (?x target:Person-Gender ?gender),(?gender rdf:type target:Gender), (?gender target:GenderValue `Male'^^xsd:string)]

Canonicalization “Sam’l” and “Geo.” -> “Samuel” and “George” “New York City” -> “New York, NY” “Boonton, N.J.” -> “Boonton, NJ”

Schema Mapping our view author’s view

Direct Schema Mapping Rule [(?x rdf:type source:Person) -> (?x rdf:type target:Person)] Person7 Person7

Name Decomposition Rule [(?x rdf:type source:Person),(?x source:Person-Name ?y),(?y rdf:type source:Name),… -> (?x rdf:type target:Person),(?x target:Person-Name ?y),(?y rdf:type target:Name),…] William Gerard Lathrop Person7 Person7 Name7 William Lathrop Gerard

Person has gender Male Rule [(?x rdf:type source:Son),makeSkolem(?gender, ?x) -> (?x target:Person-Gender ?gender),(?gender rdf:type target:Gender), (?gender target:GenderValue 'Male'^^xsd:string)] Male Name7 Person7 Person7 Name7 William Gerard Lathrop William Person7 Lathrop Gerard

FROntIER OntoES Jena reasoner Duke RDF output parameters comparators <owl:Thing rdf:ID="Person_1"/> <rdf:type rdf:resource="&family;Spouse"/> <rdf:type rdf:resource="&family;Child"/> <owl:Thing rdf:about="#Person_1"> <rdf:type rdf:resource="&family;Person"/> <rdf:type rdf:resource="&family;Name"/> <owl:Thing rdf:about="#Name_1"> <owl:Thing rdf:ID="Name_1"/> </owl:Thing> <rdf:type rdf:resource="&family;GivenName"/> <owl:Thing rdf:about="#GivenName_1"> <owl:Thing rdf:ID="GivenName_1"/> <family:GivenNameValue rdf:datatype="&xsd;string">Abigail</family:GivenNameValue> <rdf:Description rdf:about="#GivenName_1"> </rdf:Description> <owl:Thing rdf:about="#GivenName_2"> <owl:Thing rdf:ID="GivenName_2"/> <family:GivenNameValue rdf:datatype="&xsd;string">Huntington</family:GivenNameValue> <rdf:Description rdf:about="#GivenName_2"> <owl:Thing rdf:about="#Surname_1"> <owl:Thing rdf:ID="Surname_1"/> <family:SurnameValue rdf:datatype="&xsd;string">Lathrop</family:SurnameValue> <rdf:Description rdf:about="#Surname_1"> <rdf:type rdf:resource="&family;Surname"/> <owl:Thing rdf:about="#BirthDate_1"> <rdf:type rdf:resource="&family;BirthDate"/> <owl:Thing rdf:ID="BirthDate_1"/> <rdf:Description rdf:about="#BirthDate_1"> <owl:Thing rdf:about="#MarriageDate_1"> <owl:Thing rdf:ID="MarriageDate_1"/> <family:BirthDateValue rdf:datatype="&xsd;date">1810-00-00</family:BirthDateValue> <rdf:type rdf:resource="&family;MarriageDate"/> <family:MarriageDateValue rdf:datatype="&xsd;date">1835-00-00</family:MarriageDateValue> <rdf:Description rdf:about="#MarriageDate_1"> <owl:Thing rdf:ID="Gender_1"/> <rdf:type rdf:resource="&family;Gender"/> <owl:Thing rdf:about="#Gender_1"> <family:GenderValue rdf:datatype="&xsd;string">Female</family:GenderValue> <rdf:Description rdf:about="#Gender_1"> <family:Person-BirthDate rdf:resource="#BirthDate_1"/> <rdf:Description rdf:about="#Person_1"> <family:Person-Name rdf:resource="#Name_1"/> <family:Person-Child rdf:resource="#Person_6"/> <family:Person-Child rdf:resource="#Person_5"/> <family:Person-Gender rdf:resource="#Gender_1"/> <rdf:Description rdf:about="#Name_1"> <family:Name-Surname rdf:resource="#Surname_1"/> <family:Name-GivenName rdf:resource="#GivenName_2"/> <family:Name-GivenName rdf:resource="#GivenName_1"/> <family:PersonMarriageDateMarriagePlaceSpouse-Person rdf:resource="#Person_1"/> <rdf:Description rdf:about="#PersonMarriageDateMarriagePlaceSpouse_1"> <owl:Thing rdf:ID="PersonMarriageDateMarriagePlaceSpouse_1"/> <family:PersonMarriageDateMarriagePlaceSpouse-MarriageDate rdf:resource="#MarriageDate_1"/> <family:PersonMarriageDateMarriagePlaceSpouse-Spouse rdf:resource="#Person_4"/> RDF output Jena reasoner OntoES convert to RDF comparators parameters owl:sameAs convert to csv Duke [(?x rdf:type source:Person) -> (?x rdf:type target:Person)] [(?x source:Person-Name ?n),(?n source: NameValue ?nv), isMale(?nv),makeTemp(?gender) -> (?x target:Person-Gender ?gender),(?gender rdf:type target:Gender), (?gender target:GenderValue `Male'^^xsd:string)]

Resolving Mary Elys Example Person2 (1st Mary Ely) owl:sameAs Person8 (3rd Mary Ely) 0.032081 0.995030

Resolving Gerard Lathrop Example Person3 (1st Gerard Lathrop) owl:sameAs Person9 (2nd Gerard Lathrop) 0.028505 0.088043 0.032081 ~0.0 0.000007 0.078216 0.953839

Experiment The Ely Ancestry, page 419 Annotated gold standard files Extracted facts: excerpt Inferred facts: excerpt Same-as facts: excerpt Annotated gold standard files Extracted facts: automated evaluation tool Inferred facts: automated evaluation tool Same-as facts: hand checked

Experimental Results

Concluding Remarks Proof of concept Current and Future work: Corpus of 50,000+ books provided by LDS Church 200 randomly selected pages Estimate the following: Time required Expertise required Accuracy (precision & recall)