the notes are easy.
E A D G are the open strings. go up half a step for each fret
so the E string would be E(open),F,F#/Gb,G, G#/Ab,A,A#/Bb, B and so on
bass doesnt really have chords its usually one note at a time.
for tabs
www.bass-masta.com and
www.ultimate-guitar.com are good places to go.