Knowledge Base Population Jeff Mitchell, Abiola Obamuyide, Sebastian Riedel, Andreas Vlachos

[email protected], [email protected], [email protected], [email protected]

Converting Unstructured Text to Structured Facts

Jared Kushner, credited with helping his father-in-law get elected as US president, is now being probed by the FBI over his meetings with Russians. Born in 1981, Entity1 Entity2 Relation 35-year-old is the son of real estate de- USA president of veloper Charles Kushner and graduated from Harvard Jared Kushner Donald Trump son in law of University in 2003 with a degree in sociology. His ad- Donald Trump daughter of ⇒ Jared Kushner Ivanka Trump married to mission to the elite university proved controversial, af- Jared Kushner Charles Kushner son of ter a book by journalist Daniel Golden – also a Har- Charles Kushner Real Estate Developer title of vard graduate – suggested Kushner and his brother Jared Kushner Harvard garduate of were given a place following a $2.5 million donation Jared Kushner New Jersey born in from their father. He married Donald Trump’sdaugh- ter Ivanka in 2009, af‰er she converted to Judaism.

NER and Relation Extraction JTR

Born in New Jersey, 35-year-old Jared Kushner is the son of real INPUT estate developer Charles Kushner and graduated from Harvard -.JF data loading University in 2003 with a degree in sociology. - vocabulary building Query Question(s) - embeddings ⇓ - batching, bucketing Support Jack MODEL born in New Jersey, 35-year-old Jared Kushner is son of real the Evidence - TensorFlow models estate developer Charles Kushner and graduate of Harvard Reader OUTPUT Candidates University in 2003 with a degree in sociology. - prediction Response Answer(s) - evaluation Relation Extraction Models - error analysis - serialisation Matrix Factorisation. is the son of graduated from son of graduate of Knowledge Base Applications Jared Kushner 1 0 1 0 Charles Kushner Donald Trump 1 0 1 0 Entity1 Entity2 Relation Fred Trump Donald Trump USA president of Jared Kushner 0 1 0 1 Jared Kushner Donald Trump son in law of Harvard Donald Trump 0 1 0 1 Ivanka Trump Donald Trump daughter of Wharton Jared Kushner Ivanka Trump married to Jared Kushner Charles Kushner son of Matrix factorisation techniques can be used to identify the Charles Kushner Real Estate Developer title of correlations between surface patterns (e.g. is the son of) and Jared Kushner Harvard garduate of KB relations (e.g. son of). This then allows us to predict new Jared Kushner New Jersey born in KB entries based on the evidence we find in text. • Querying: Jared Kushner born in ?

• Summarisation: Jared Kushner ? Neural Question Answering. • Logical analysis: e.g. detecting contradictions. Where was Jared Kushner born ? Fact Checking

Identifying where a claim contradicts a fact in a reliable source is an important element of fact-checking.

, ... Born in New Jersey 35 year-old Jared Kushner

Translating knowledge base relations into natural language questions allows us to apply sophisticated models from the Question Answering domain.

This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreements 688139 (SUMMA).