Learning

* Graph A graph is a pictorial representation of a set of objects where some pairs of objects are connected by

Heuristic Function • A heuristic function h(n) yields the estimated cost of the cheapest path from the state at node

Principles Of Reliable Data Transfer Complexity of reliable data transfer protocol will depend (strongly) on characteristics of unreliable channel (lose,

Internet Protocol Stack * Application: supporting network applications - FTP, SMTP, HTTP * Transport: process-process data transfer - TCP, UDP * Network: routing

What is White Paper: A white paper is a comprehensive report or guide that informs readers concisely about a complex

Indexing * Indexes are data structures designed to make search faster * Text search has unique requirements, which leads to unique data

Evaluation * Evaluation is key to building effective and efficient search engines – measurement usually carried out in controlled laboratory experiments – online

Tokenizing * Forming words from sequence of characters * Surprisingly complex in English, can be harder in other languages * Early IR systems:

Information Retrieval “Information retrieval is a field concerned with the structure, analysis, organization, storage, searching, and retrieval of information.”(Salton,

Big O notation Big O notation (with a capital letter O, not a zero), also called Landau's symbol, is a