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楼主 |
发表于 2008-3-18 13:10:54
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你好,这是我现在正在写着的程序,以上问题就在其中,请多指教/ [, M( k+ R- w5 z" V" W
globals[
+ J% A1 u+ S4 \: O& Jxmax
! `5 n0 a, L bymax2 Z8 Y8 l- \& q% Q3 _# l
global-reputation-list3 H8 h$ v8 z% Z/ n- ]2 `9 m# n/ f
_: ~ k9 X( F) W5 m- D# d, y! w;;每一个turtle的全局声誉都存在此LIST中
% I1 C* e7 v3 |$ ^3 o1 s/ t! Ycredibility-list* `9 i: ~' _4 f) Y7 U8 n
;;每一个turtle的评价可信度8 ]: t1 ^6 d4 P/ [( ?* l
honest-service
3 W% c a; b5 c) J: yunhonest-service; ], e' t+ W; O% y% q2 A% p5 D
oscillation+ [4 k) H: [% V# y3 `/ I
rand-dynamic
1 o7 C i7 ]+ x]" i3 X! P$ F7 e% }
) G) I( }# o, r2 U
turtles-own[0 W, {: D1 N+ V, u- e$ H
trade-record-all
# Y f* O9 E* |, C1 W+ P+ r6 ~% z* a;;a list of lists,由trade-record-one组成& b! u4 p+ f; p1 o
trade-record-one
0 e$ ?& b/ C$ ^* R1 D8 W;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
# O2 K7 u3 D$ o8 w$ r
m' O! k& j. @" |;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]% O$ }' m/ A1 d9 g8 n6 c7 h
trade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]7 w# F& g) z# G; t5 |% r: i" B
credibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list
9 n, m: w& Z! s/ H& r% \neighbor-total h# `7 R2 m! u; Q
;;记录该turtle的邻居节点的数目" m5 j& b9 K" k. {. r; Q$ d+ G
trade-time. {' q8 Q( C8 N3 C1 O/ I4 p
;;当前发生交易的turtle的交易时间
6 Z8 y$ t1 t& V9 B6 oappraise-give9 L' b6 l, Q9 J2 ~
;;当前发生交易时给出的评价+ F) s o+ @% t* o) F% S" _
appraise-receive
" u# g" v# U% F6 R3 A7 U;;当前发生交易时收到的评价
/ f* q/ L+ q/ o! uappraise-time
3 @4 T! {# a+ j1 Z' z( P( G;;当前发生交易时的评价时间
$ _* \% }) _1 [+ xlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
2 x- p6 J: g- ntrade-times-total
B/ D, Y9 X2 U& X4 };;与当前turtle的交易总次数( r6 M6 g0 M. r" g* l
trade-money-total
& Q7 k' d0 g0 }0 i( O;;与当前turtle的交易总金额
) z b( T8 p& L4 l; G7 I5 i9 C# ulocal-reputation
# v& U( f- z# G* o; C* `7 }5 dglobal-reputation
: O8 q2 B: }" M: |; \1 @credibility
" Y% |2 g/ u' S;;评价可信度,每次交易后都需要更新3 o" V; ^% v4 k2 m5 u: U- r
credibility-all8 r5 E4 h; }( _3 J6 m
;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据 J6 a5 A) Q' G4 L& _7 `8 E+ i8 n
/ B; B. l, p. p4 E;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.57 Y0 d r3 @% F7 g8 E
credibility-one
) c' u# h2 k9 Z3 @' r$ Y% @5 W;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项
( c9 Q, m9 C/ N- A6 B1 i- x8 z) wglobal-proportion
3 R s+ K" `% {4 v3 R l( \ [+ Y7 Gcustomer% ~3 ^7 s% z- h: h& b
customer-no) O" H% @1 F% E3 u: C" B5 u5 ]
trust-ok
/ w$ s% G0 [4 w& E% Q- Xtrade-record-one-len;;trade-record-one的长度
% W! N' ^8 U n; E8 s]+ g8 X7 e! K& y) W
: g7 t/ C5 E2 R& }' w+ Q/ K$ b
;;setup procedure7 o4 X8 [# f9 p% A! x7 e! R
* F4 T& O. k' K4 [1 J1 K* f
to setup8 i: f- w" |; V' P0 l
4 w, R7 k3 ?, M1 V5 i+ ` s
ca3 K; D2 Q5 O, C6 b& T6 T2 ?( U1 s
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initialize-settings
, | q( w# a, F. s4 \
" @- ^! n/ r9 p7 n) c. |" H- Fcrt people [setup-turtles]
& `: u. x* S$ Z: H: n( Q' a8 f& D" X3 \* X
reset-timer
( i) B. n+ `( U& h X% y
. K3 o) u2 E; s# E8 _9 p; Ppoll-class
, O& @' C6 z# _5 u( C
! M3 U( v u. s8 T, ?6 |' c9 tsetup-plots0 m5 V/ A3 S' d# w4 a3 C
. q$ V, ^$ Z' @ u! w1 E, D
do-plots
' b1 C+ t* d/ B# Q3 T" F# C; pend( d/ b2 q. p8 h8 _2 d7 V( M
8 l; C9 X. U: h' G0 Vto initialize-settings
+ W1 t) r* N) G$ t, P4 g
# \1 c! i6 Q f' |set global-reputation-list []# J/ M7 \$ @2 d" U9 g) n' v4 h
+ M. c6 b' y& H2 a% S
set credibility-list n-values people [0.5]
" D8 r& D: ^5 h) K2 _
( B$ X+ x8 [& P5 u! Z; {set honest-service 0
2 _7 X b! }0 e m$ Y) Z! w) V
4 d; \9 c3 x9 L1 L; T8 Zset unhonest-service 0
( K& l5 I. L) j1 n- ~$ z* l/ i K9 b/ e2 ?! j
set oscillation 0
/ Y+ Y9 q8 N# `& m4 i9 `
* v/ L7 c$ [; d2 e2 W: o- g& Uset rand-dynamic 0 Z/ G3 J# C M, i
end
7 G1 q$ g4 y5 p8 m" d
5 V- q& F/ u7 R" }% b4 h) ?to setup-turtles 2 S& w. q% H, h) q8 S& v9 G
set shape "person"2 R! j5 V$ N2 M8 D- [: ]: @
setxy random-xcor random-ycor
* `( o. }+ A/ O% N5 H* kset trade-record-one []
' e% E2 b" l" u
2 U2 x9 \. k$ Nset trade-record-all n-values people [(list (? + 1) 0 0)] 1 v3 D6 _+ B9 u
4 ^' }5 W6 _, H. Q
set trade-record-current []
8 t0 f2 p& q$ L# C) Oset credibility-receive []* F) }% V6 h* I
set local-reputation 0.5% e' e: H- H, v6 \- m: ~0 g8 n
set neighbor-total 0
: n4 `# I" I5 N* t6 Aset trade-times-total 0
& y2 M) l# ^+ k! Z% v2 n8 H7 _set trade-money-total 0
7 P u8 y* H q! k7 L- c0 xset customer nobody* J* ^# L J) q( d
set credibility-all n-values people [creat-credibility]' M1 r- M+ G& U7 g t8 j
set credibility n-values people [-1]6 a% J9 G( m6 D. w9 Q
get-color9 x. A7 k) T9 l# }0 J4 A$ o
0 ^' }! H: o. }% I5 hend8 B/ S% L# F+ u, l
4 v4 ^3 K5 O+ |0 w2 G
to-report creat-credibility* Z& E+ C$ }5 a* C; T
report n-values people [0.5]7 ^. h1 ^9 Q6 C6 [9 j2 y. v
end4 v) ^* m5 A2 f9 j0 D7 Q" R) X! T
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to setup-plots
3 H' Z1 B1 Z- A o
; P# |- v3 i2 B# ~) W6 @set xmax 30
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set ymax 1.0
1 {' A+ j. a1 {# K# P% e& Z. W
' d" r/ C* F# S: R0 ]' zclear-all-plots
( c% V+ p1 R+ L4 Y
' `& b' e, h- b( \* zsetup-plot1. z# x" l5 h) }6 X" N
4 x3 [+ u7 |8 n/ ]( v0 {* j0 ]! H% B' jsetup-plot2% ?0 b) ~- n- e3 l9 f
4 ~& X1 `1 l8 `& W
setup-plot3# I; H) I' }6 O5 o
end
& y" P& n# {$ ]6 G. ?0 n5 \: f! z0 [1 Q* |7 v, }1 r
;;run time procedures. G% j" [( ]; K0 i
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to go
% l4 H; j1 J: f$ T3 y! l/ v4 R& |! j9 T) H; G" J2 ^3 B
ask turtles [do-business]
/ N1 O( o, u+ aend0 Q3 M, ~* O x( U: b4 A7 |
4 \! H+ e/ S0 r0 {% x: E2 e: yto do-business
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5 `4 ]/ }$ ?) w- r4 n
; R1 v: }' b5 v+ Y4 C5 {! O! X- hrt random 360
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9 L2 c* w& T$ ufd 1/ l+ X) b+ Y% N
4 s- K. p; G/ x) K* D+ {9 u7 ^
ifelse(other turtles-here != nobody)[
0 B7 X# Z; c$ Q1 ~7 n8 C7 R8 f/ W
set customer one-of other turtles-here" S8 X6 ~# j. g5 i+ L! I
# B% a2 M0 g3 F+ s: z E;; set [customer] of customer myself
0 T7 ~! T, t1 c# {0 K% ~
7 L% \5 }) z! K# A" d8 m0 J9 p2 Nset [trade-record-one] of self item (([who] of customer) - 1)
% F: K( W/ m3 b+ e. G[trade-record-all]of self: U+ B, X: ^/ \1 ~2 Z
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self2 B: C/ \4 B I* @: ^1 |1 D; q
; ~% G( i* K% r" }+ ?" Q
set [trade-record-one] of customer item (([who] of self) - 1)& F! c2 x8 l3 B0 U3 h* n2 p) Q8 ~9 H
[trade-record-all]of customer
5 X) V9 ]: q+ M2 ~- n7 _) E, |6 Q$ w' a0 B) A0 C4 D
set [trade-record-one-len] of self length [trade-record-one] of self$ ]4 f8 m- G9 f/ G5 H) _+ Q
! u j# R$ a3 S; ]: fset trade-record-current( list (timer) (random money-upper-limit)): p2 F5 i* V" c5 ]0 q ]
, p) b6 H w' @$ |0 v2 l1 h0 Qask self [do-trust]
8 s* i, V% g2 A1 w0 K;;先求i对j的信任度- A) [! Q! w. c% J7 c
6 ], J+ r+ n. ~) cif ([trust-ok] of self)
0 o% s, O" R6 [- N' ]4 [) T* y;;根据i对j的信任度来决定是否与j进行交易[8 b9 ? x; Q5 T. M0 R# @+ H- X
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself0 A4 d3 {) p7 y& H- V9 A
3 E4 u* m( |8 k[5 U$ v3 s- y+ z( h; O. H
% Q1 j. w7 t7 m4 H# i1 Vdo-trade
& G' e; t6 ?+ K0 |: ^1 B+ Z+ {1 d+ F# l7 n2 Q+ r7 q9 L
update-credibility-ijl: [' @2 z7 F9 c& y
5 j2 ^" U" \ r, ~3 Z2 S* z
update-credibility-list$ ?. C- s4 ]! l# J" Z
; V& D) L* d4 ]1 H. r5 [0 @
1 E+ y( d# ?9 K5 I) I0 |update-global-reputation-list
9 t/ W6 D/ y7 r0 z
+ `* \4 ^" k X. w4 l5 npoll-class
/ ^+ C3 y' }, J: I! ^6 l7 C" }2 S, F* R- q% O+ d
get-color% Q9 Y! C1 |, }: n3 \- X1 C3 W% l7 {
\0 ~% h# U1 t p2 O$ R. |1 k* f& J( p
]]- {4 R5 i4 j# }* G+ Y/ m
( J/ [) w; f; ~$ D0 |0 S/ a7 [6 M! e
;;如果所得的信任度满足条件,则进行交易6 P; Q f, {( Z
4 d9 U' P. ^* |. s[; z2 I `8 J; i) m! {
c; L* t6 p+ {4 Prt random 360
; z' Q( d1 p+ x h1 X# @: o- i! B$ A8 s, w$ R1 r4 @: ?; `3 S, n9 u
fd 1' Q/ y& }5 ^ i6 q7 r( T
: f$ ~- |/ _" n1 r e5 n]
3 J; M4 N3 e4 E
9 J+ Z. k/ U8 Uend
% A3 `7 c* z9 m1 A$ l( q; S2 h/ S- v" j' H2 \
to do-trust : V5 C. Y4 N# u3 H9 D: C
set trust-ok False3 K7 C0 J j- e" u, L9 e; f u/ t
+ X' _* E; f' B2 T8 _% x6 k6 k
; D3 A }8 N c4 G) ] }let max-trade-times 0
1 K: \/ p+ @% Eforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
' d+ N; ]" i* t3 Y: llet max-trade-money 0
! }7 {7 ?* J* J6 F9 `" W4 q7 wforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]2 U0 @) r( h! ?) \* a$ a5 Z- I
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
9 A4 m1 ^9 J1 J; J4 `% a. ~4 A* M1 G- A, L+ o* l0 O
- r+ F% m. L. w# u$ Q& Q
get-global-proportion
3 b3 _8 [' D. B5 f! d5 |+ glet trust-value4 X. Y+ B* d t0 w' s1 g5 D
local-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)" M2 R, E+ M) W# i+ O9 m1 r
if(trust-value > trade-trust-value)
+ O9 Q4 `1 O7 ^% |; ][set trust-ok true]: u+ h: W" Z% ~
end; Q# W! \$ s6 O; Q$ x
" e0 N( v7 N4 D5 z1 Z0 J( k4 [to get-global-proportion
1 |7 \2 @# W. c u+ @) t" s% Sifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)$ f4 A6 F9 Z: `8 @7 i
[set global-proportion 0]% N# _2 c! n0 d2 A# ^1 V3 S, t
[let i 0/ ]2 h& T: q+ V6 m7 t/ g, g5 {1 @+ s
let sum-money 0
& {) ~( `( l7 g8 D+ nwhile[ i < people]
_% M# |# H" w% Q[4 Y% }7 L& h% T; ?, ^& H
if( length (item i
$ W% Y% j; J& ^* |8 P' v+ q2 _[trade-record-all] of customer) > 3 )
* d+ c1 d$ @+ L2 c: E- W$ {/ ?[2 a( \. {2 V. Y; \' D% r" |* \; G
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)) d% ]7 }! E5 C: i# B
]& _; V0 r9 [# U6 }" O
]7 `5 D$ e6 X9 S1 d: Y
let j 0
5 V8 ~3 \7 M/ B h" \' | clet note 02 Z# }; g/ g0 t) @ q# P
while[ j < people]; C0 p9 r2 h* u3 h0 A
[
: o' J8 q3 \ oif( length (item i
) W% d5 A+ H( s' M, W/ M- ~[trade-record-all] of customer) > 3 )
7 O: O. D* ]9 ^7 z3 F3 ][% y8 e/ Q; I2 I, I; L4 E
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)8 w$ Y6 G0 F2 L/ ]9 F; C
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
4 s# u! w- Q; G; X$ W$ R[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
6 A1 _3 T2 ]+ u- v]
, q/ `3 s4 w9 s' |) J]$ D6 v( b. S- X/ _
set global-proportion note$ R3 w! J& p8 i _6 e1 e5 W
]/ X- j2 f8 O9 H- I
end
3 Y3 E R# i' B1 w% s+ L/ c
5 N$ P) x. p7 i8 K) T- Y. \* {; g2 u1 Sto do-trade" y: H8 K# D% w1 D
;;这个过程实际上是给双方作出评价的过程) [, ~$ l; l* `5 B) f. `& T
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
' y9 Q H x' d) d1 \- A/ `set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价, N4 v; x, B4 I H! p
set trade-record-current lput(timer) trade-record-current
- g5 s1 t4 \: b4 ^4 U8 L& z;;评价时间5 h6 M9 C9 H- ]5 f1 G3 F" n
ask myself [
p$ G" G& G" `& H! ?update-local-reputation
: N6 k4 U: f* X9 ^+ [: Wset trade-record-current lput([local-reputation] of myself) trade-record-current6 `8 q5 U; Y$ \3 i# q b/ `
]
. v r: D2 @+ p5 N' Mset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
' ~# s P4 C! V, J2 m. C; A;;将此次交易的记录加入到trade-record-one中
. I1 }" x" e# `% Z. u& bset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)1 C& i3 g: @9 r! j! ^. y+ l3 D M
let note (item 2 trade-record-current )
, S, ]5 m; q6 l! Nset trade-record-current
+ B/ F' }9 e& Y5 d(replace-item 2 trade-record-current (item 3 trade-record-current))
) u' I1 W5 O5 s( m2 F# _set trade-record-current6 r$ P: l% _ C+ d' b
(replace-item 3 trade-record-current note)
2 y( R! Y3 c7 n1 u% i4 |" X" O$ p t1 B- q) J
6 i2 b( _3 P& q( dask customer [" W; }. e) G, ^, V0 q0 K4 A% M1 j
update-local-reputation$ a& o; L* ? K" W7 ^! _
set trade-record-current
4 ^" q4 h) k& c3 P(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) / a5 \" R1 S( D0 H9 P' \& r
]: Q* D. t, G$ K
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5 h7 u+ C! F: q* I: R8 Q, y
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer7 y/ w3 a, K- m5 K, _+ ~3 n( o& j+ W
+ j1 q" u. ^- q( F4 [. zset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
5 l6 c, N8 ]9 E$ O. Q;;将此次交易的记录加入到customer的trade-record-all中# V1 h# @* S1 E& H6 j1 g3 L6 I
end
x h N! h2 l- d# K) T7 e8 s) V, J' z/ N/ w. J
to update-local-reputation
, z. W) P- y. Q8 jset [trade-record-one-len] of myself length [trade-record-one] of myself6 w- @2 w5 ~0 H
, ?, C9 z) ]( o# Z# h j7 @
/ l1 e! f4 e4 O" };;if [trade-record-one-len] of myself > 3
' I( f( w* W' ]7 kupdate-neighbor-total
- T3 w$ x/ z# q! Y3 ]( Y;;更新邻居节点的数目,在此进行
A) X! ~4 z$ ~: tlet i 3& A3 c( O0 C# Z1 ~& v% ^! J
let sum-time 09 t! M) |2 g$ s$ V
while[i < [trade-record-one-len] of myself]
" _8 o) ^/ @7 B! n' v[
% Y: R% q0 U3 b. J+ @: L5 j' Bset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
3 z! R& {2 X& S3 A8 e I$ Z* mset i* G! A% N! n' j2 Y
( i + 1)
8 }8 ~: J+ _- g. b/ E6 }# L]: S# k6 K6 e/ n" V
let j 3
, p3 O D' V$ W" w* M0 O* Clet sum-money 0
, S" ?. H" s/ V9 k! Qwhile[j < [trade-record-one-len] of myself]
" F1 x( F: E* ?# p8 d[6 i! R' n5 H) s4 N4 S, G0 y+ X
set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)% f5 c! ~) z- Q* z0 I
set j
+ [6 q- r9 @. \! M( j + 1)6 o4 @/ d" F0 [ X$ V/ w9 U
]
9 _; q+ a- A" I B4 N: Olet k 3
* z3 U3 E0 `" W* s. \( J' ^9 qlet power 06 g( U% A9 B& [: L9 d. @- G
let local 0
, D h0 R) {7 U, M1 M; T# r+ Dwhile [k <[trade-record-one-len] of myself]( r3 P" V/ o* w$ m1 l
[
9 r% Z. | _4 t! ?2 mset local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money)
" U, U P. Q* ?9 B: Z {1 i# n$ rset k (k + 1); w& ]1 o/ L5 K9 F2 R) c$ m3 G
]
1 d, G) c7 Q# Y g- m' iset [local-reputation] of myself (local)
4 G- i5 t; v: B6 l& y+ y8 x( ^5 Dend0 Y" K9 j& a- u2 @& ]0 a
6 C6 R; R+ s6 E2 d9 F; |; [' Oto update-neighbor-total- g( \& A- y3 n+ P
' e, J: S! u1 k2 r( }0 q' Yif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
+ q( y/ s1 `" ]# n* k* [5 I; q- p7 u+ ?
0 o8 G+ h# K4 z" Q6 o! [
end0 a" f4 u) `3 L9 J' u! M1 Z
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to update-credibility-ijl
3 ?6 n' _- R- ?1 c
5 s* F4 c9 k* \. K+ ~/ i! a* [;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
( j- ~0 `1 K1 `; |# Vlet l 0! W- E9 T& Q7 E6 E# c
while[ l < people ]# K9 i3 M# A4 u% J
;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价5 \7 Z x( w$ {. i$ h, U) z
[
/ L2 o! I/ d( n7 y5 \let trade-record-one-j-l-len length item l ([trade-record-all] of customer)( H: [* f! |0 v' }
if (trade-record-one-j-l-len > 3)
: ]: P- E* ?1 }! M) |6 [ s[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one
" ]) b. s0 l6 {4 {& qlet i 3
# D2 F/ z& E' i/ d: I2 ~let sum-time 07 g* R; q! {# w; l- X0 D- S
while[i < trade-record-one-len]
, c9 N( J0 L4 c( S& G6 g[+ W j5 s* T2 ]; j0 c. S9 N
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )5 ], F2 q! K+ L3 z4 U: x
set i, l& K9 r7 i) r6 E& x
( i + 1)7 x8 i* }0 c; D" G8 m( K3 T
]
* i2 x5 s4 v* y6 N. u* R; plet credibility-i-j-l 0+ `3 v7 w& S0 E/ ^ d) t; L$ p0 Y
;;i评价(j对jl的评价)
6 e' s' Z3 b- I5 X7 Xlet j 3% A& ? o% F Z- v( h# d( N
let k 4
7 P u A6 M7 |while[j < trade-record-one-len]
6 Q9 h" h' g( W' A% u[+ K2 f- A' p" `, A
while [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉
. d' m! @+ b8 f8 k7 U" \# ]# a: Yset credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)6 d% _* Y0 R( s! }0 N
set j! b& y2 z; g2 V3 y: ?
( j + 1): R* y9 Z( G' k, m* S
]6 J! u' \7 W0 X' S' P
set [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))
! d* s9 {( Q) W: _4 y4 w8 e3 T! Y! t6 n9 Z ~! s
7 a, a8 i9 o1 d! y) P2 Jlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
4 W) k1 `. B% m/ G" E2 j* s+ ~9 P;;及时更新i对l的评价质量的评价9 {3 ~2 A9 o2 z8 L# G' ]2 g
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
* q7 s( N9 l( gset l (l + 1)" H& L1 v1 q* z+ {3 J: j1 P& f
]
; _- t/ J0 E. \+ _: fend0 \( |$ i7 @3 M) U, k k3 X( V
0 s5 S5 k" t% Z' H; }% W2 ^- R8 M$ H
to update-credibility-list7 K8 z( h* u1 o4 O
let i 0
! D2 h$ e: D6 F6 R& N& Ywhile[i < people]+ M. Q' A: f* k* C; p
[
8 O0 N6 W% y( h) f5 Tlet j 0$ K! z1 G3 w2 L! N6 @
let note 0 t; d" @2 g1 P& F
let k 0
! r9 p) P! T8 }( w& ]' A- |3 `;;计作出过评价的邻居节点的数目
2 n8 p- o9 M1 f3 g* V- \# r- F- @) jwhile[j < people]8 U7 @1 b4 @# o6 \" ^, [9 K- Y% X& ?
[
' `+ Z8 O1 i6 ^0 h! v& G: z+ b" Xif (item j( [credibility] of turtle (i + 1)) != -1)
; i' X. Z, N8 ^ A7 ~& ]4 n;;判断是否给本turtle的评价质量做出过评价的节点: Y1 s7 K P/ t; p
[set note (note + item j ([credibility]of turtle (i + 1)))8 U' x. n0 y1 v; w2 O' n8 \. B5 Q
;;*(exp (-(people - 2)))/(people - 2))]6 s. F+ N9 n! f: M \
set k (k + 1)9 V2 Z8 S/ ^& \, O1 m& X
]
( j" `1 B# u' U2 |( }9 n6 K/ k/ vset j (j + 1)
, ?9 B7 b2 G7 v9 X9 `& S]
/ ?% ~: P* {8 Xset note (note *(exp (- (1 / k)))/ k)6 R h+ @ O: S b3 T
set credibility-list (replace-item i credibility-list note)2 I9 t8 n5 J7 r+ K$ ~8 V
set i (i + 1); ^$ J! p& p- d$ P7 E3 J! i
]
2 x" H! M8 i" h* c# jend/ ~4 C5 _2 G/ Z s/ y% _) M, F
& \; [9 Y, V* Zto update-global-reputation-list
1 a% i& D; t9 O0 ?% llet j 00 _) |4 P' j6 D7 K0 T
while[j < people]
3 F2 Y$ K7 t# g7 c# ]) \$ d[
& x+ ]( n" t* F( K7 Dlet new 0, @9 M0 L1 a4 J4 Q8 W
;;暂存新的一个全局声誉
+ X. l' M1 ?0 O7 R6 Clet i 0
+ w5 V9 p& M3 G- ulet sum-money 0
) h! J; V7 {9 P& {8 j' Slet credibility-money 0- j5 S% X' |; [3 a4 i% {, K
while [i < people]+ U; j V/ T& J; ^: B$ [! z5 Q' O
[8 H- v8 V( a& l9 e
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
5 f5 V' N- E% ~7 N& X. yset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
! C3 _9 T* Q; oset i (i + 1)
; ]; ]" r9 \: Z]: M% B$ F5 g% q- u: j: a' o. g2 C
let k 0, z0 u' _9 N/ |* ~ g
let new1 0
" n; r1 @/ Z# D( W5 Lwhile [k < people]: x/ Y, T) k, _4 o# e
[! d+ @/ q v- X* e- z: d% S, C
set new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)) _5 X2 l, P, y7 y
set k (k + 1)* ]! f* ]* p4 S7 ~$ y
]* A$ k1 {6 q1 I; S+ I$ s
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
' \. `/ F" \4 o4 ~, Z1 a& vset global-reputation-list (replace-item j global-reputation-list new)" {+ W. A* [9 k. d
set j (j + 1)) W$ E0 D2 S( J1 K
]# k3 c% R6 A+ \5 I# g: J) }# Y7 n; m
end( a7 X" D5 l0 S* ^# A
/ o8 g) e& e- k/ a7 {5 \. w
' t0 T. t& D% R5 J
6 {5 x) G7 V- N* Z! A. b, W! Tto get-color Y( D( D, v5 ?1 L& y) b& U
- c+ I$ K2 B+ _& O
set color blue" ~% q/ N0 j3 X% G* N
end
0 y$ T+ b" T5 A+ }& G: j
- g, d2 _( }: G8 ]. Hto poll-class j& e% J" C3 Y# N
end
- X# } D8 ^7 k
3 R. q" ?+ ^$ f) hto setup-plot1
- I' w! |/ D. Q- A$ ~) e
0 r7 F" j; I: `% o# y. Lset-current-plot "Trends-of-Local-reputation"
3 j% F( ~: C6 }8 `2 t; F; ?$ B$ g! R5 x `
set-plot-x-range 0 xmax
2 s+ d. J: R; n: \; m& s- Z6 v0 ~! u; i/ e: y
set-plot-y-range 0.0 ymax
' I$ c7 G! v, F, u. K6 Kend
# S; A, t/ D, h: q' N1 ]: o7 S; z& g; T$ Y
to setup-plot2- X6 r/ z! i4 k2 T5 I4 q
. w& T6 u/ m& g% x
set-current-plot "Trends-of-global-reputation"
; K) B# d$ M; j- p5 J7 _3 |
/ z# j2 v# v" h: y) O4 [set-plot-x-range 0 xmax1 V, L' k: x8 d2 g! B
4 ^; b% a2 w# S# @; {7 h+ z: v
set-plot-y-range 0.0 ymax% L9 C# [- E! Q0 j" U7 T
end
. }# q( B9 Z% a& b) f O$ o2 o" M G; ?' I
to setup-plot34 p+ L3 d1 _3 O8 n9 @- e. b
; B# U+ N* y# P( z4 c1 k
set-current-plot "Trends-of-credibility"9 u: F4 O/ t! u; `0 W( C& [
- K" T0 F- y. E5 R2 L
set-plot-x-range 0 xmax
, w& F' W5 S% q9 |" w! P& L3 _
( V; L. K6 d* Yset-plot-y-range 0.0 ymax' V! p* x* L/ A$ n2 t
end
) K) q' R, v8 b# a. ^, _+ }) g+ g, i5 }0 B! J% K5 l! [% @1 D, ^
to do-plots
/ L& D2 B8 ~. x( \$ I$ bset-current-plot "Trends-of-Local-reputation"$ b/ Q+ d: h$ L! G9 @! m! h: U
set-current-plot-pen "Honest service"2 I5 R I/ X+ h6 J" u% b- l; t2 c! _' C
end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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