Internet Search Engines
Category

AltaVista

Excite

WebCrawler

Lycos

InfoSeek

Yahoo!

NlightN

Case Sensitive?

Y

N

N

N

Y

N

N

Considers Phrases?

Y

N

Y

N

Y

N

Y

Required Term Operator

+

+

N

N

+

N

N

Prohibited Term Operator

-

-

N

N

-

N

N

Wildcard Expander

*

N

N

$

N

N

N

Limiting Character

N

N

N

.

N

N

N

Results Ranking?

Y

Y

Y

Y

Y

N

N

Controllable Results Ranking?

Y

N

N

Y

N

N

N

Booleans Allowed?

Y

Y

Y

N

N

N

Y

Proximity Operators Allowed?

Y(10)

N

Y(range)

N

Y(100)

N

N

Subject (Directory) Searching?

N

Y

Y

Y

Y

Y

N

Refine Based On First Search?

N

Y

N

N

N

N

N

Controllable Display Format?

Y

N

Y

Y

N

N

N