'Pi mississ' presentation slideshows

Compressing and Indexing Strings and (labeled) Trees

742 views • 61 slides

676 views • 53 slides

Data structures: time, I/Os, entropy, joules

514 views • 43 slides

Document Compression

372 views • 37 slides

Compressed storage of the Web-graph

Compressed storage of the Web-graph. Definition. Directed graph G = (V,E) V = URLs, E = (u,v) if u has an hyperlink to v Isolated URLs are ignored (no IN & no OUT) Three key properties: Skewed distribution : Pb that a node has x links is 1/x a , a ? 2.1. The In-degree distribution.

362 views • 36 slides

On Compression and Indexing: two sides of the same coin

334 views • 33 slides

Algoritmi per IR

423 views • 26 slides

XML Compression and Indexing

343 views • 25 slides

Web Algorithmics

379 views • 24 slides