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The Stories They Tell : Artifacts from the National September 11 Memorial Museum (0847841715)

This poignant selection of artifacts-and their stories-from September 11 provides an official, lasting record of that day's experience. In both text and photography, the story of September 11 is told through a selection of powerfully moving artifacts from the 9/11 museum's collection that serve as touchstones to the day and its aftermath. From crushed FDNY trucks to the steel that was pierced as planes struck the Twin Towers, from victims' property pulled from the wreckage and returned to families (who later donated the property to the museum) to spontaneous memorials collected from around Ground Zero, the array of objects tell complex and often surprising stories. Poignant artifacts as monumental as the Vesey Street staircase-which offered an escape for thousands fleeing the towers-and as intimate as a loved one's wedding band or last recorded phone message are selected to illuminate people's experiences during and after September 11, 2001, and February 26, 1993. T
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Quantifiers in Action : Generalized Quantification in Query, Logical and Natural Languages (9781441934949)



The database industry is a multi-billion, world-wide, all-encompassing part of the software world. Quantifiers in Action: Generalized Quantification in Query, Logical and Natural Languages introduces a query language called GQs-Generalized Quantification in Query. Most query languages are simply versions of First Order Logic (FOL). GQs are an extension of the idea of quantifier in FOL. GQs are a perfect example of a practical theory within databases.

This book provides a brief background in logic and introduces the concept of GQs, and then develops a query language based on GQs. Using Query Language with Generalized Quantifiers, the reader explores the efficient implementation of the concept, always a primary consideration in databases. This professional book also includes several extensions for use with documents employing question and answer techniques.

Designed for practitioners and researchers within the database management field; also suitable for advanced-level students in computer science.


Product details

  • Paperback | 156 pages
  • 155 x 235 x 9.14mm | 454g
  • New York, NY, United States
  • English
  • Softcover reprint of hardcover 1st ed. 2009
  • 20 Illustrations, black and white; XII, 156 p. 20 illus.
  • 1441934944
  • 9781441934949


Download Quantifiers in Action : Generalized Quantification in Query, Logical and Natural Languages (9781441934949).pdf, available at ebookdownloadfree.co for free.

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Cia : Manual for PSYCHOLOGICAL OPERATIONS IN GUERRILLA WARFARE (9781466238350)

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