USC/ISI Automatic Data Extraction Demo

Step 2: Learning data prototype

We use machine learning algorithm to find the common patterns of tokens that describe the start and end of the training examples. The tokens include general tokens, such as CAPITALized or ALPHAbetic words, as well as specific words like Smith. The legend appears below.

Source: whitepages.com

Next

NAME

STARTING PATTERNS	ENDING PATTERNS
_CP , _CP _CP , _CP and _CP _CP , A _CP , Anthony _CP , David and Smith , Smith , A White , White , A White , Anthony Rodham , _CP Roth , _CP Roth , _CP and Sutherland , David and Pfeiffer , _CP	Smith , _AL White , _AL Rodham , _AL Roth , _AL Pfeiffer , _AL Gates , _AL , _CP and _AL Roth , _CP and _AL Sutherland , David and _AL Smith , _AC White , _AC Smith , A White , A White , _CP Rodham , _CP Roth , _CP Pfeiffer , _CP , _CP and _CP Roth , _CP and _CP Sutherland , David and _CP White , Anthony

ADDRESS

STARTING PATTERNS	ENDING PATTERNS
_AN _CP _CP _AN _CP Ave _AN _CP Ave S _AN _CP St _AN _CP Dr _AN _N3D _CP Rd _AN Park _AC _N3D _CP Rd _AC _NLG _CP _CP W _NMM _NM _CP _CP _NM _CP Ave _NM _CP Ave S _NM _CP St _NM _CP Dr _NM Park _N3D _CP St _N3D _CP Dr _N3D Park _NLG _CP _CP _NLG _CP Ave _NLG _CP Ave S	_N2D _CP _AL _N3D _CP _AL _NLG _CP _AL _NLG _CP Ave _AL _N3D Park _AL _N2D _CP _CP _N3D _CP _CP _NLG _CP _CP _N3D Park _CP _NM _CP Cir _N3D _CP Ave _NLG _CP Ave _N3D _CP St _AC _N3D _CP Rd Ave _AC _NLG _CP Ave _AC Ave S _NLG _CP Ave S

CITY

STARTING PATTERNS	ENDING PATTERNS
_CP _CP Angeles Orlando Syracuse Goleta Minneapolis Los Angeles	_CP Orlando Syracuse Goleta Minneapolis Los Angeles

STATE

STARTING PATTERNS	ENDING PATTERNS
_AC FL NY CA MN	_AC FL NY CA MN

PHONE

STARTING PATTERNS	ENDING PATTERNS
_N3D - _N3D - _NLG _N3D - 425 - 1788 _N3D - 851 - _NLG _N3D - 898 - _NLG _N3D - 476 - _NLG _N3D - 967 - _NLG 407 - _N3D - _NLG 407 - 851 - _NLG 407 - 898 - _NLG 315 - _N3D - _NLG 315 - 425 - 1788 315 - 476 - _NLG 805 - _N3D - _NLG 805 - 967 - _NLG 630 - _N3D - _NLG 612 - _N3D - _NLG 323 - _N3D - _NLG 213 - _N3D - _NLG 206 - _N3D - _NLG	407 - _N3D - _NLG 315 - _N3D - _NLG 805 - _N3D - _NLG 630 - _N3D - _NLG 612 - _N3D - _NLG 323 - _N3D - _NLG 213 - _N3D - _NLG 206 - _N3D - _NLG 315 - 425 - _NLG 407 - 851 - _NLG 407 - 898 - _NLG 315 - 476 - _NLG 805 - 967 - _NLG 315 - 425 - 1788

Legend:
_AC.................All caps words
_AL.................Alphabetic words
_AN.................Alphanumeric tokens
_CP..................Capitalized words
_LC..................Lowercase words
_NM.................Number
_N1D................1 digit number
_N2D................2 digit number
_N3D................3 digit number
_NLG................Large number