Technologies Know How Expertise
IT Consulting Alicja Gruzdz
http://www.huffingtonpost.com/2013/06/27/obama-fracking-support_n_3510651.html
TOPICS
• Oil and gas - upstream activities
...
TOPICS
• Oil and gas - upstream activities
(economy, business and finance)
• Energy resources (environmental issue)
• Natu...
IT Consulting Alicja Gruzdz
http://cogcomp.cs.illinois.edu/demo/ner/index.php
IT Consulting Alicja Gruzdz
To prove the point we processed the same art...
IT Consulting Alicja Gruzdz
❶ NER cannot infere topics, events
• Oil and gas - upstream activities
• Energy resources
• Al...
IT Consulting Alicja Gruzdz
❶ NER cannot infere topics, events
• Oil and gas - upstream activities
• Energy resources
• Al...
IT Consulting Alicja Gruzdz
❶ NER cannot infere topics, events
• Oil and gas - upstream activities
• Energy resources
• Al...
IT Consulting Alicja Gruzdz
❶ NER cannot infere topics, events
• Oil and gas - upstream activities
• Energy resources
• Al...
IT Consulting Alicja Gruzdz
Oil and gas - upstream activities
Energy and resources
Natural resources
Energy resources
Envi...
IT Consulting Alicja Gruzdz
Oil and gas - upstream activities
Energy and resources
Natural resources
Energy resources
Envi...
IT Consulting Alicja Gruzdz
Oil and gas - upstream activities
Energy and resources
Natural resources
Energy resources
Envi...
IT Consulting Alicja Gruzdz
Oil and gas - upstream activities
Energy and resources
Natural resources
Energy resources
Envi...
IT Consulting Alicja Gruzdz
This is what NER cannot tell you about the article –
but our software can:
What We Do
IT Consulting Alicja Gruzdz
What We Do
IT Consulting Alicja Gruzdz
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IT Consulting Alicja Gruzdz: Semantic Technologies for Social Media (Part I)

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We specialize in semantic technologies and knowledge engineering for social media and social web applications. Our services include development of a wide range of semantic technologies, ontology engineering, design and development of knowledge bases, knowledge engineering, application of semantic technologies in social media, semantic search engine optimization, knowledge engineering for social web applications, and more.

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IT Consulting Alicja Gruzdz: Semantic Technologies for Social Media (Part I)

  1. 1. Technologies Know How Expertise IT Consulting Alicja Gruzdz
  2. 2. http://www.huffingtonpost.com/2013/06/27/obama-fracking-support_n_3510651.html TOPICS • Oil and gas - upstream activities • Energy resources • Natural gas • Coal • Alternative energy • Renewable energy • Pollution • Waste management and pollution control • Environmental pollution PEOPLE • Barack Obama • Bob Casey, Jr. • Andrew Cuomo GROUPS • Sierra Club • Democratic Party (United States) • Americans IT Consulting Alicja Gruzdz Let’s take some text… …for example, an article. Our software can tell what this article is about and auto tag it.
  3. 3. TOPICS • Oil and gas - upstream activities (economy, business and finance) • Energy resources (environmental issue) • Natural gas (economy, business and finance) • Coal (economy, business and finance) • Alternative energy (economy, business and finance) • Renewable energy (environmental issue) • Pollution (disaster and accident) • Waste management and pollution control (economy, business and finance) • Environmental pollution (environmental issue) PEOPLE • Barack Obama • Bob Casey, Jr. • Andrew Cuomo GROUPS • Sierra Club • Democratic Party (United States) • Americans http://www.huffingtonpost.com/2013/06/27/obama-fracking-support_n_3510651.html IT Consulting Alicja Gruzdz DISAMBIGUATION: Even if at the first glance it may seem that there are some redundancies, semantic technology reveals totally different contexts.
  4. 4. IT Consulting Alicja Gruzdz
  5. 5. http://cogcomp.cs.illinois.edu/demo/ner/index.php IT Consulting Alicja Gruzdz To prove the point we processed the same article using a state-of-the-art named entity recognition (NER) system. Among the best available…
  6. 6. IT Consulting Alicja Gruzdz ❶ NER cannot infere topics, events • Oil and gas - upstream activities • Energy resources • Alternative energy • Waste management and pollution control • Environmental pollution These topics are not mentioned verbatim in the text, but are inferred based on the analysis of the entire text. And this is what we found:
  7. 7. IT Consulting Alicja Gruzdz ❶ NER cannot infere topics, events • Oil and gas - upstream activities • Energy resources • Alternative energy • Waste management and pollution control • Environmental pollution These topics are not mentioned verbatim in the text, but are inferred based on the analysis of the entire text. ❷ Mere words – not concepts • President Obama • Barack Obama • Obama These are not different people – they all refere to the same person. And this is what we found:
  8. 8. IT Consulting Alicja Gruzdz ❶ NER cannot infere topics, events • Oil and gas - upstream activities • Energy resources • Alternative energy • Waste management and pollution control • Environmental pollution These topics are not mentioned verbatim in the text, but are inferred based on the analysis of the entire text. ❷ Mere words – not concepts • President Obama • Barack Obama • Obama These are not different people – they all refere to the same person. ❸ Too much information • Deb Nardone • Robert Howarth • Associated Press • PITTSBURGH • Oakland, Calif. Completely irrelevant for the content of the article or for the generic topics discussed in it. And this is what we found:
  9. 9. IT Consulting Alicja Gruzdz ❶ NER cannot infere topics, events • Oil and gas - upstream activities • Energy resources • Alternative energy • Waste management and pollution control • Environmental pollution These topics are not mentioned verbatim in the text, but are inferred based on the analysis of the entire text. ❷ Mere words – not concepts • President Obama • Barack Obama • Obama These are not different people – they all refere to the same person. ❸ Too much information • Deb Nardone • Robert Howarth • Associated Press • PITTSBURGH • Oakland, Calif. Completely irrelevant for the content of the article or for the generic topics discussed in it. ❹ Often gibberish • Obama Fracking = PERSON Plainly wrong. And this is what we found:
  10. 10. IT Consulting Alicja Gruzdz Oil and gas - upstream activities Energy and resources Natural resources Energy resources Environmental issue Pollution Environmental pollution Disaster and accident Waste management and pollution control Economy, business and finance Unlike NER semantic technologies understand text. This is how our software sees the article:
  11. 11. IT Consulting Alicja Gruzdz Oil and gas - upstream activities Energy and resources Natural resources Energy resources Environmental issue Pollution Environmental pollution Disaster and accident Waste management and pollution control Economy, business and finance Unlike NER semantic technologies understand text. This is how our software sees the article: Occurs verbatim in the article.
  12. 12. IT Consulting Alicja Gruzdz Oil and gas - upstream activities Energy and resources Natural resources Energy resources Environmental issue Pollution Environmental pollution Disaster and accident Waste management and pollution control Economy, business and finance Unlike NER semantic technologies understand text. This is how our software sees the article: Occurs verbatim in the article. Inferred from the text.
  13. 13. IT Consulting Alicja Gruzdz Oil and gas - upstream activities Energy and resources Natural resources Energy resources Environmental issue Pollution Environmental pollution Disaster and accident Waste management and pollution control Economy, business and finance Unlike NER semantic technologies understand text. This is how our software sees the article: Occurs verbatim in the article. Inferred from the text. Inferred from our knowledge base.
  14. 14. IT Consulting Alicja Gruzdz This is what NER cannot tell you about the article – but our software can:
  15. 15. What We Do IT Consulting Alicja Gruzdz
  16. 16. What We Do IT Consulting Alicja Gruzdz

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