Open Information Extraction Task

An Open Information Extraction Task is an information extraction task that returns all information within the unstructured data.

• AKA: Unrestricted Relation Discovery, Open Information Extraction, Open IE.
• Context:
  • Optional Input: a Topic Description.
  • It can be solved by an Open IE System.
  • It can (typically) be an Open IE from Text Task.
  • …
• Counter-Example(s):
  • a Closed Information Extraction Task.
  • a Domain-Specific Information Extraction Task.
• See: TextRunner Algorithm, TextRunner System, Web-based Information Extraction.

---

---

References

2006

• (Shinyama & Sekine, 2006) ⇒ Yusuke Shinyama, and Satoshi Sekine. (2006). “Preemptive Information Extraction Using Unrestricted Relation Discovery.” In: Proceedings of the HLT-NAACL Conference (HLT-NAACL 2006).

---