Router Naming Convention for bt.net, 201207

Regular Expressions:

1. ^([a-z]+\d+)-[a-z]+\d+-(\d+)-[^\.]+\.(ealing\.[a-z]+)\.bt\.net$
2. ^([a-z]+\d+-[a-z\d]+-0-\d+-0)-\d+\.([^\.]+\.[^\.]+)\.bt\.net$
3. ^.+-(\d+)-\d+-\d+\.(telehouse\.ukcore)\.bt\.net$
4. ^([a-z\d]+)-[^\.]+\.([^\.]+\.[^\.]+)\.bt\.net$

Statistics:

• Training routers with at least two clustered interfaces: 92
• Positive Predictive Value: 0.958
• True Positives (green): 391
• False Positives (red): 17
• IP literals extracted (red): 0
• False Negatives, identifier extracted (orange): 24
• False Negatives, not matched: 140
• Training routers with a single interface in suffix: 51

Legend:

Evaluation against training data: