On Arbitrage-free Pricing for General Data Queries

Provided by: VLD Digital
Topic: Big Data
Format: PDF
Data is a commodity. Recent research has considered the mathematical problem of setting prices for different queries over data. Ideal pricing functions need to be flexible - defined for arbitrary queries (select-project-join, aggregate, random sample, and noisy privacy-preserving queries). They should be fine-grained - a consumer should not be required to buy the entire database to get answers to simple \"Low-information\" queries (such as selecting only a few tuples or aggregating over only one attribute). Similarly, a consumer may not want to pay a large amount of money, only to discover that the database is empty.

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