Prüfer Code -- from Wolfram MathWorld
An encoding which provides a bijection between the labeled trees on nodes and strings of integers chosen from an alphabet of the numbers 1 to . A labeled tree can be converted to a Prüfer code using LabeledTreeToCode[g] in the Wolfram Language package Combinatorica` , and a code can be converted to a labeled tree using CodeToLabeledTree[code]. Prüfer's bijection is based on the fact that every tre
Open Source Data Warehousing? :: Tholis Consulting
The economic downturn is causing an increasing interest in using open source (OS) solutions for BI. One of my previous blogposts already raised the issue of the missing pieces in open source analytical databases, but nevertheless more and more companies are using OS databases for data warehouse purposes. In fact, recent Gartner research indicated that almost 18% of the surveyed organizations are u
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Labeled Tree -- from Wolfram MathWorld
