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Searching for authors named "Alexander Yates" – sorted by Relevance.

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  • Information Extraction from the Web: Techniques and Applications  
  • by Alexander Yates — 2007
  • …Web Information Extraction (WIE) systems have recently been able to extract massive quantities of relational data from online text. This has opened the possibility of achieving an elusive goal in Artificial Intelligence (AI): broad-coverage domain knowledge. AI systems depend to a great extent on ha…
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  • A Reliable Natural Language Interface to Household Appliances  
  • by Alexander Yates — 2003 — Proceedings of the 8th international Conference on Intelligent user interfaces
  • …“I have always wished that my computer would be as easy to use as my telephone. My wish has come true. I no longer know how to use my telephone.” – Bjarne Stroustrop (originator of C++) As household appliances grow in complexity and sophistication, they become harder and harder to use, particularly …
  • Cited by 15 (2 self) – Add To MetaCart
  • Unsupervised Resolution of Objects and Relations on the Web  
  • by Alexander Yates
  • …The task of identifying synonymous relations and objects, or Synonym Resolution (SR), is critical for high-quality information extraction. The bulk of previous SR work assumed strong domain knowledge or hand-tagged training examples. This paper investigates SR in the context of unsupervised informat…
  • Cited by 3 (2 self) – Add To MetaCart
  • Class Extraction from the World Wide Web  
  • by Ana-maria Popescu, Alexander Yates, Oren Etzioni — 2004 — In Ion Muslea, editor, Adaptive Text Extraction and Mining: Papers from the 2004 AAAI Workshop
  • …In previous work we introduced KNOWITALL a data-driven, Web-based information extraction system. This paper focuses on the task of automatically extending the system’s initial ontology by extracting subclasses of given general classes and by discovering other closely related classes. We first show t…
  • Cited by 8 (2 self) – Add To MetaCart
  • Detecting parser errors using Web-based semantic filters  
  • by Alexander Yates, Stefan Schoenmackers, Oren Etzioni — 2006 — In Proceedings of the EMNLP
  • …NLP systems for tasks such as question answering and information extraction typically rely on statistical parsers. But the efficacy of such parsers can be surprisingly low, particularly for sentences drawn from heterogeneous corpora such as the Web. We have observed that incorrect parses often resul…
  • Cited by 1 (1 self) – Add To MetaCart
  • A Reliable Natural Language Interface  
  • by To Household Appliances, Alexander Yates — 2003 — Proceedings of the 8th international Conference on Intelligent user interfaces
  • …As household appliances grow in complexity and sophistication, they become harder and harder to use, particularly because of their tiny display screens and limited keyboards. This paper describes a strategy for building natural language interfaces to appliances that circumvents these problems. Our a…
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  • Modern natural language interfaces to databases: Composing statistical parsing with semantic tractability  
  • by Ana-maria Popescu, Alex Armanasu, Oren Etzioni, David Ko, Alexander Yates — 2004 — In Proceedings of the Twentieth International Conference on Computational Linguistics (COLING-04
  • …Natural Language Interfaces to Databases (NLIs) can benefit from the advances in statistical parsing over the last fifteen years or so. However, statistical parsers require training on a massive, labeled corpus, and manually creating such a corpus for each database is prohibitively expensive. To add…
  • Cited by 18 (1 self) – Add To MetaCart
  • To buy or not to buy: mining airfare data to minimize ticket purchase price  
  • by Oren Etzioni, Rattapoom Tuchinda, Craig A. Knoblock, Alexander Yates — 2003 — In Proceedings of KDD’03
  • …As product prices become increasingly available on the World Wide Web, consumers attempt to understand how corporations vary these prices over time. However, corporations change prices based on proprietary algorithms and hidden variables (e.g., the number of unsold seats on a flight). Is it possible…
  • Cited by 7 (1 self) – Add To MetaCart
  • Web-Scale Information Extraction in KnowItAll  
  • by Oren Etzioni, Michael Cafarella, Doug Downey, Stanley Kok, Ana-Maria Popescu, Tal Shaked, Stephen Soderland, Daniel S. Weld, Alexander Yates — 2004
  • …Manually querying search engines in order to accumulate a large body of factual information is a tedious, error-prone process of piecemeal search. Search engines retrieve and rank potentially relevant documents for human perusal, but do not extract facts, assess confidence, or fuse information from …
  • Cited by 43 (4 self) – Add To MetaCart
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