O'Reilly logo

Structured Search for Big Data by Mikhail Gilula

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 2

Key-Objects vs. Keywords

Abstract

This chapter introduces key-objects as a generalization of keywords. The key-objects can be thought of as data structures reflecting properties or characteristics of things and re-encapsulating them from their names presented by keywords. For example, the keyword “chair” does not allow distinguishing between different chairs; and therefore, does not allow narrowing the search down to specific chair instances. A key-object “chair” allows specification of the chair properties the query originators may be looking for, and there is no limit to the number of different key-objects reflecting the concept of a chair. Keywords allow posing queries independently of the indexed documents or web pages, that is, without ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required