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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
* v1 d C3 i1 l5 g6 p A9 y( Y# Aglobals[) i7 C, _- J+ l# g- e* s
xmax: }; |7 _5 C& j: z6 | ?
ymax
8 H6 T% z# T* q) y2 C% q) zglobal-reputation-list
; A( X7 O4 O, O: V2 m9 U1 h7 p F! l( x1 e" F% u5 z
;;每一个turtle的全局声誉都存在此LIST中& Y7 q% ^ g# y& p5 j
credibility-list
0 z* r) [* m, }( _1 H0 D3 W. h;;每一个turtle的评价可信度
% Q; K/ l. ]& P( H& Ihonest-service( X0 q+ X1 |$ T# h
unhonest-service+ v( J& ~" T, b+ T* u' ]0 I Z
oscillation k) V; s7 ~. ^) K2 F0 J8 H8 w4 H' Y
rand-dynamic5 k' r4 r! i+ h9 ]: }, g
]
* F7 P3 K( t- f3 e+ t1 y( A. R" |8 f; d! K% \; i
turtles-own[7 u) d6 v/ x3 K+ D8 W) f% \
trade-record-all
4 q2 K+ c3 O: ^. {;;a list of lists,由trade-record-one组成
2 E1 X$ g4 p& S T6 n$ Ktrade-record-one
' u2 Y" I, L4 K7 o: }: a- O" ^;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
% U: L7 o& E" I
: ~, d" I2 v* \" ~9 R4 f;;[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]]0 }* s2 x2 Q8 [ U
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]
& Y5 c6 p7 {5 @. m7 Wcredibility-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
; s+ D2 n8 o ?neighbor-total4 c5 N% z# d, H* c; O
;;记录该turtle的邻居节点的数目1 Q+ T! c Z8 l5 M3 l6 M. p- b
trade-time
7 D# B* r/ H- ` F- e% `;;当前发生交易的turtle的交易时间1 N8 O( ?4 s5 o1 m2 @$ Y) f$ Q
appraise-give
$ F5 P# q3 q2 D1 C b;;当前发生交易时给出的评价
( d6 o* R9 i9 Uappraise-receive
) Y' l$ W! u: c+ l- E, h" \, g;;当前发生交易时收到的评价
$ T6 d6 J0 v [$ Dappraise-time Q! J0 k4 @3 ?# V# q+ N d
;;当前发生交易时的评价时间
/ u- l$ O1 j v" z- tlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
7 ? P, ^! O0 E6 L- Ltrade-times-total) t; Z; P S% O* s5 |/ }0 G
;;与当前turtle的交易总次数
8 r- M& T" R3 n1 o/ i% w7 i2 D/ `trade-money-total
) A& `# `. {! h' `& _ V3 j8 ^;;与当前turtle的交易总金额
1 P$ U) r9 U: [9 c4 j$ olocal-reputation
# |/ x* s+ ?. S8 m% |global-reputation
$ ]+ F% m1 ?0 D- X! V9 {8 j8 Vcredibility+ Y0 u, p9 z& }2 |
;;评价可信度,每次交易后都需要更新
d" o1 p) \/ j$ H& [credibility-all
9 K- s2 l6 g" R) c! T4 ?;;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
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;;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0.5
3 s+ G9 X0 u# N1 L. dcredibility-one0 x, Z, f o3 o2 I2 p! I
;;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0 `# ~& ]& S, `" z! Y, y6 A
global-proportion1 g9 N1 J1 J' w( R$ t/ O) r
customer; P; `9 V" r7 _8 x: f
customer-no. X% L0 c/ x5 I6 V' n) v
trust-ok
" E& P/ X" D8 b0 v4 P+ \trade-record-one-len;;trade-record-one的长度
3 V: w/ P5 i. {% M]! i. @0 B' q: Q0 ^# I
. i0 U( ~" [9 H; };;setup procedure4 O3 L1 o( f" T" k* X5 j
% c, L" y: g7 N* A
to setup2 }0 q) A- x4 \) x7 k2 b# f
' `" ?( N8 R4 U1 Q$ C, L3 rca, |- ^) Q; A G" O+ V
. y' E+ g$ ]1 U# V4 N* t* N% Ainitialize-settings
3 @- k' P k$ d
3 T; r: B+ q6 [ M i% J# Pcrt people [setup-turtles]! P- `1 W# r% i' M" D# F' _
6 `8 u# W% ?& T3 n0 n3 Q
reset-timer* u5 ?! k, Z4 o- }4 K {* r$ Z
; \- P+ K3 u7 Y) Z( t, h* spoll-class3 j6 ]2 k; n4 q, J
- @. Q& N, i0 z2 J( e8 }8 \setup-plots a/ R. a7 @" _7 l
% w( X7 \" |* @1 s0 h1 z
do-plots+ i+ Z. r" d* A+ e9 \
end! R3 i7 C5 w- \- d! B( e" H
0 ~2 k! [) H! b) i% R) I! I3 Lto initialize-settings0 A1 ]: J; T$ {1 @
, x; J! a& @3 G( H5 I$ T% Fset global-reputation-list []0 k& F9 T4 p9 H% R! V2 Q+ F: g
8 B" p) g7 t" a2 b, U$ H/ T
set credibility-list n-values people [0.5]
: s# J$ M4 e* z, k5 o" w0 @( J( `5 J4 i: | j
set honest-service 0
2 F: Y0 v5 X- \* W7 } m& ?# D4 V; N/ X8 ~, Y* A2 W0 \
set unhonest-service 0: {8 Y6 r9 w$ |4 D9 R/ h
! e* e+ F: q& p5 m5 Rset oscillation 0 L5 ?1 U- [: E) e
/ ^: S: y! Y# Q" d' jset rand-dynamic 0* z' W/ f5 A. A9 F; b6 q
end0 v+ N9 W: o$ `
$ P; w3 W; e. x9 C
to setup-turtles
! ^ _# d! [5 G( \! i- @/ X5 M' U2 _set shape "person"& @& N2 i* L: H$ l; d
setxy random-xcor random-ycor- h" L8 O* A. u3 C
set trade-record-one []) h7 s) T0 M, d8 K
3 U2 W e- Z. H9 R# [$ |& B
set trade-record-all n-values people [(list (? + 1) 0 0)] ( i/ O r/ s$ g/ S9 O: z
4 P$ N7 X8 ^( z% I
set trade-record-current []
: _8 |4 \: V7 J J% _set credibility-receive []
: n c# F4 K1 X3 W. A. _/ Kset local-reputation 0.5
; F4 f* z: Z8 q- ~, yset neighbor-total 0
; z6 C5 k! d% y2 }& i9 gset trade-times-total 0) A6 l2 @0 q5 }/ B: O/ \
set trade-money-total 0. G. a2 t' y- C
set customer nobody' m4 p+ F% N- t3 ~- {% E V
set credibility-all n-values people [creat-credibility]' R5 l& {6 ]5 W; C. _" T
set credibility n-values people [-1]
1 y) R) L" X+ p2 k1 r" oget-color
( x5 h, L P$ _4 a1 A. R) Y2 [, g! K/ P$ r# i% e6 h
end8 P5 ]6 t% e2 a
5 x8 }/ Y2 P! N% u) ?to-report creat-credibility; s1 W4 Y1 H) T( h; C
report n-values people [0.5]
; R$ U5 R# k( W4 send; l6 s# P6 i% u2 C, ? g7 q
7 I( B& V6 y6 p. P3 Dto setup-plots
8 [) B( p6 w2 I# w% q) l3 I
* k5 E' Y; v$ ~7 t8 Rset xmax 30
) t+ A7 X0 Z2 s: T% t- n! X
R* A- }, z( d( ?set ymax 1.0% B- j. P) ?8 ~* U* Y" D+ F9 i
- c+ v0 C& g) h! N3 [
clear-all-plots
# q4 S) ^. ], o9 B2 j3 z# [7 J* x9 Z# O. W$ J8 _
setup-plot1) `( W1 W! m" R9 P% L
0 X8 y0 {' c9 Gsetup-plot26 T# s' }+ `/ A; _
# q( j( O1 H' q, R- Z
setup-plot3
: \0 {) p5 X Y' ^9 D+ f# Eend
, |1 Y5 o' C4 L* F q, E
& y* A# X$ G' o;;run time procedures; F) B a6 G5 ^+ z1 Z7 A
1 P( y% P3 z- v. w& eto go
" h( Z# y. Q% h( d# K% c. x" M6 ~+ g+ N; S& k8 B& q$ E
ask turtles [do-business]# o. G6 P5 `2 G N
end5 S3 [/ _. e4 q# B8 I' `8 ^/ p
/ i; e( E1 `1 oto do-business
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$ f6 w( _1 C! A' \! T5 U a
; V1 ?6 q' D4 F1 S8 Ert random 360
4 r- u9 N+ L5 {; C* `
, y' ?6 n) x+ ]8 x/ ?3 G2 O; |fd 12 S: q0 Q' o& T1 }8 h: A& p& m
: w, _% M" B% I0 y* Lifelse(other turtles-here != nobody)[
% y' W( S( W. F/ H7 P3 }5 U
7 e2 F, m* o$ L0 I7 U" {. Xset customer one-of other turtles-here" S% c. s4 D: ~0 p0 h$ m* b
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;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
3 i! Q! k! Z6 n$ {[trade-record-all]of self
( p" u) N* N* R/ W: s9 k;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
) F8 _ z j( r/ @# m7 X7 W
/ e: L1 Y" ^; D1 aset [trade-record-one] of customer item (([who] of self) - 1)
5 C- r L- \6 O[trade-record-all]of customer {) P! d7 o' B; v4 s0 F, s9 r
1 h$ h- j7 A7 M; k( ?
set [trade-record-one-len] of self length [trade-record-one] of self Q. N) e, }+ w# h# `2 y7 e! R" |5 w
( E6 [! a9 ]/ Q
set trade-record-current( list (timer) (random money-upper-limit))$ Z0 m8 y, H5 s9 m! [
( s' k* \! m9 N. `) W2 L
ask self [do-trust]
( v0 m! @4 {* h5 C;;先求i对j的信任度
9 @( }2 @6 t ?- }; a
$ s: U" {' `3 s& d1 Dif ([trust-ok] of self)
+ r/ d4 B. [: q, c; l7 a2 F;;根据i对j的信任度来决定是否与j进行交易[7 n) a/ D3 f1 n3 Y& w! k, I
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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/ _/ I0 \5 i; R5 ]( u0 i[
( @+ o) r- P+ U) S$ g9 [# v
; T0 ~/ C0 i$ y+ H0 Ydo-trade7 |- U: m! @9 v8 o3 U- P2 ~
" O$ M2 m8 l$ \2 Z. r5 I
update-credibility-ijl& w8 x! o" s! G2 a I) Z6 q
5 O) w. q9 |* m1 Dupdate-credibility-list
! j2 T N# t4 o1 |5 N
c3 i S1 V5 V1 h+ E
- t! {- N/ ~9 b/ L6 Y- z Cupdate-global-reputation-list4 v( w/ t* d( @2 U) F; }
) ]; q3 k& y/ L
poll-class- t8 E5 P( V6 A7 J. {7 z3 H+ V
8 }0 @8 M) [/ M- Q7 ]3 ^get-color
" T) N5 w+ `2 ^! _9 L: q. D, l, o* Z
]]
( W# f7 m8 b4 j0 F$ h
2 V) b% \! m0 u. t- k6 @: ~- q0 X& c9 h;;如果所得的信任度满足条件,则进行交易
- m {7 u/ u$ w3 k+ [! E* g2 g; @* F* P2 X6 ~: K4 z) u
[
5 F' e/ K+ k3 r* B2 C! q, n& W
" _/ i9 Q9 m$ z6 q# Xrt random 360
3 }# [( i4 v4 W" m& u/ y9 e- }& V2 O% H1 z
fd 1
8 _. S0 ]5 ~7 b( L% M8 R7 Q. Q( F) \/ w0 x
]
; u, |1 k9 a# E1 t. f! e: Y' q% | l/ R4 y# f L
end
! B- u1 S5 p: I! n9 c
& x0 R5 g* v, |2 _0 R2 Pto do-trust
6 p& d' [+ O/ h/ Sset trust-ok False
- J' C$ k2 l9 m; T4 B7 ]* f6 R# d2 S9 j( n/ h$ B0 C [) C4 }! V. J
4 w8 I! m0 r. i4 klet max-trade-times 0
5 k/ d) t4 m1 P' _foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]6 {) f7 J* l/ R. s$ j! `
let max-trade-money 0
" ]! `, r0 v; E3 s; Hforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
& B v) r: [: u9 o2 p1 T1 K2 `let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))6 q% W/ [; {2 ~- W
3 w: f' d( ?4 Y& Q! b
. k0 o0 ? M! T+ W7 T1 Aget-global-proportion
5 q5 g- h; i0 v" q# t, E2 Tlet trust-value4 [/ O5 T9 V4 N o
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)
4 A- `3 Y- }2 |/ G* Wif(trust-value > trade-trust-value)
* L& K) A7 F5 Q[set trust-ok true]
. n M: s, A7 T9 @1 P5 bend
) O4 c/ b0 g) {7 O1 G1 n: t l% f9 E! n, b6 `! {* T
to get-global-proportion5 i$ s7 X0 [& T7 D# q" S
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)% ?. x* {4 ]1 y5 J
[set global-proportion 0]$ }0 J- M5 z$ m. [$ w! j
[let i 0
$ w2 T" z. m& F1 ilet sum-money 0
" s; D$ z8 d( R5 y1 swhile[ i < people]
. @( M7 P: Y3 P! o: m% U+ k1 f[
6 m/ \2 p# o, L$ hif( length (item i
& i8 g0 g/ W4 `# c+ F[trade-record-all] of customer) > 3 )4 A9 J0 a/ V1 t/ ]
[
3 j9 v" C" K) j* D$ l: w) Nset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
- ]. y! r: ]$ R8 @2 B]- K5 Q8 P: E2 X5 L$ D
]: p% g; y7 a) R
let j 0& z* G$ g+ I" w6 m! U
let note 08 I, ]1 y$ X h: P' E" U
while[ j < people]6 n/ W g; \+ e. d$ u
[
% e- H3 n/ W8 b) v: Z. _- Rif( length (item i
- c! k) J5 M0 E1 q5 i6 I0 A[trade-record-all] of customer) > 3 )/ o" i0 J& U6 [1 n5 [' i
[
+ u$ g, r% g( r, q4 Cifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)( e: B; P" g) L- \! V2 o5 {. f% a
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]4 h0 b) V8 I0 M' r0 y% h; s
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)] r9 Z" k. R* ?8 X- x& Y9 [& I
]; n7 P4 w3 A+ x/ H! g4 U K: J
]2 [3 V7 ]. F3 i" `/ z
set global-proportion note
7 C5 D6 a. j- I) F% n3 I]# r% w: ~8 f$ s( z
end
+ g- T6 F' Q Y; }% O$ x; L
6 ^3 v8 ]- K. ?0 @0 e$ [. uto do-trade
\/ o8 o; w) r, s) e;;这个过程实际上是给双方作出评价的过程
3 y( ~: p% N$ [1 K5 o' c% P: V0 C# Bset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价. M* T+ f0 o& g7 l) @+ L. h# `
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价6 q7 \3 m4 c! T3 k
set trade-record-current lput(timer) trade-record-current
# o. U# J; }) @/ L;;评价时间7 O7 k& c+ D0 @" y8 s( W
ask myself [7 O$ q2 U$ y+ ~5 q
update-local-reputation
2 I: a& n; @9 T1 s3 F' ?8 qset trade-record-current lput([local-reputation] of myself) trade-record-current
1 g( s5 I$ K2 Y]
7 d- f8 O% q( @. J) I% o+ `set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
( ]0 s: n g+ D0 w;;将此次交易的记录加入到trade-record-one中# _' U. W5 z3 p- D: n, G2 ?
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)3 y6 t" O% [# F' M" r- a( B
let note (item 2 trade-record-current )
8 H8 Y! V% ~% @5 \6 _2 e$ bset trade-record-current4 K" ~3 k- ?* ^' O2 P
(replace-item 2 trade-record-current (item 3 trade-record-current))
% k2 |3 A/ d1 j& Oset trade-record-current0 Q, o- S/ f2 P5 K/ t
(replace-item 3 trade-record-current note)* ?5 b. p: `1 Z9 Y" h9 _/ o3 y5 y
7 q) c+ b2 K+ X; |+ V+ n
. P6 U$ S% {1 l9 O; O, zask customer [/ ]2 B1 K/ T* S6 V$ b B+ W, N
update-local-reputation
7 y) b0 M: `; \$ Eset trade-record-current2 c: y. h1 _+ X: H8 a& [
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) . o3 F9 m6 L/ c7 V- C( Z, u6 R! |
]
; i7 h; C# _9 p6 P5 t1 G2 h$ n1 T! i
5 ?2 c3 m- |) ]5 G1 i- E" I, n7 \+ s$ _, f
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
5 d3 ^2 @7 |/ [$ Q5 |1 g, y! m2 f1 N0 V4 a
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
: B$ {% P7 k$ w* K;;将此次交易的记录加入到customer的trade-record-all中
/ _$ P2 k, C6 E' S2 W9 ~# V0 G5 Tend7 F8 ]1 I1 h; Q- o+ `6 S- j
" L! b; w; J9 L2 l* J
to update-local-reputation
# w+ t+ [' ^+ b# ~" t7 j* Iset [trade-record-one-len] of myself length [trade-record-one] of myself: ~) {/ G2 e; h) Q. \* r1 ]# Q
$ }/ c, z& B3 P
t' h5 v" T7 v& N" ?& C;;if [trade-record-one-len] of myself > 3
! V8 f, f* r; w# K) Hupdate-neighbor-total
( {; {6 b% S) g8 [ b% q;;更新邻居节点的数目,在此进行5 h1 Z9 i+ ^2 _
let i 3
0 x3 M7 L& M! {. blet sum-time 0
) x4 C: B1 q- w. A U: uwhile[i < [trade-record-one-len] of myself]
+ w# z& S3 L: F t0 h$ K8 m[
; y: ]5 e( y: a: hset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
d: Y2 ~0 R9 r: Uset i
% l" H: n2 X* z4 D8 j2 h& m( i + 1)
4 `0 m' l/ {# r. I4 U]
6 R$ i& {# L) Z7 F: a7 Q$ ilet j 3; G* s4 f: F4 R# V: l
let sum-money 0$ z: k, [- R' a9 K5 w# W5 d1 ?
while[j < [trade-record-one-len] of myself]
& o* a; A' t' C+ i[& z0 f! l9 z; h1 g
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)1 t1 h$ g+ p% q/ ~ @; h' [
set j
2 z, G$ c5 Y7 f% b( j + 1)% N3 U. U% G& g
]3 B4 a* A, E w9 `
let k 3
# h7 j/ _& ^ k y5 qlet power 02 b* }' ]: J3 v( p. R
let local 0
. x8 T! P$ K6 l* M+ l! _* |while [k <[trade-record-one-len] of myself], r/ j# x: m( e/ d4 a( j
[
) o5 ?/ X6 N' T7 O+ q$ _ h8 Dset 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)
2 y _, ~ I ~set k (k + 1)
/ |# L) b' ~: c) X% E" q]) L. [' l6 ?7 A. @; A( n- g
set [local-reputation] of myself (local), a/ Q. e5 V0 T
end& E0 ]# y) ~/ o+ N
% I1 {0 }, F: U5 j5 l" I$ D* ~) Y! Sto update-neighbor-total
. c$ v7 j: l+ x' \) O
& [8 m3 c. o6 N3 f) ^if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
' n) U! f3 C% F6 b. Z# r, v4 r( `8 G A6 }% e' _6 g$ d
" I7 d* K, ~) r, r" L- m3 tend+ f# j) y' C# g- p9 s
1 A; A6 l6 X! o! V) hto update-credibility-ijl
: r+ r, k) n/ u D8 M# _; D0 K7 x% M
;;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。
9 P( [# ? E$ @! mlet l 06 `' V* D0 S; L, ]' w# {! u; {
while[ l < people ]
8 S% B5 D1 X! g* P;;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1 }* J6 }5 }0 l1 V; [. z2 J+ H
[
9 j% k5 S7 a x& s# V# s3 {2 _* alet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
# m1 E8 W* R& c2 n% j. e% Z8 Fif (trade-record-one-j-l-len > 3)
# T. h9 x" T/ o- x[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 r! `" ?( K: w1 C& `7 K) S% B* v
let i 3
2 O/ x( _9 g( @. \7 C+ r* r. alet sum-time 03 e8 Z% {: A: h# S3 N8 K( y0 E
while[i < trade-record-one-len]
" k0 R2 |& L' C- D- N5 i, v2 f, G[
, ]7 G' e2 T; t5 wset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ); Y+ g. Y, {4 O
set i* q% b0 c. X `; r- p$ ~
( i + 1)+ f& ^3 |! f; z% \9 n5 n* s
]
& T6 [/ ?5 m, a# v* e Y# K$ ?' Ulet credibility-i-j-l 0' |" N, h* Y: G+ K0 u
;;i评价(j对jl的评价), J. M& \9 v: m& ^
let j 3
; m& Q+ ~3 n- Z: A7 C& q# K1 f: rlet k 4+ ^9 H0 J9 o. u1 I
while[j < trade-record-one-len]
2 S( o! H& `% o8 O* J+ y9 G[
, A0 n f; L/ Iwhile [((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
' s4 M4 H& G- oset 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)
; }! w/ b' B) R2 @& H. n9 Lset j. }* |$ @) S3 N) F! w* A: O' o
( j + 1)5 r. t: c/ T% X8 t K' A
]
5 B- V: x6 E5 c, Qset [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 ))
3 e0 l/ M, P+ F+ @, [1 m' r8 @* {1 Z' m; }# ~; B: \- b! t4 n
3 Y, D% q# ~& n2 a1 w+ o5 Q! A
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
! w+ Q2 P3 I/ Z3 q;;及时更新i对l的评价质量的评价
% _ d. n. b& K( [3 I0 J6 Zset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]$ F- @2 k, U- F
set l (l + 1)6 w3 j! J; d3 M8 q; R
]
1 r' q. ~- d3 J8 I" Rend% y( K2 W' y" A
% h; f4 O' j3 D/ \# `/ S
to update-credibility-list
. [+ O- h& q. C2 [# z, M& h5 zlet i 0
# T7 ?. Y1 M' owhile[i < people]3 @+ Q3 q7 Y9 y$ v @) G
[
/ b' e! T8 }, E$ G! W llet j 0
& s% a3 A Q9 W$ q1 ~9 llet note 0% Z8 m* s1 ~+ S, P$ n
let k 0
& U) a( [/ C& `, n. D" d8 F;;计作出过评价的邻居节点的数目
, n% }6 k& I9 H8 K; kwhile[j < people]
1 R3 R2 Z$ q& w6 `7 x[
- q, s7 A/ |+ b- w' rif (item j( [credibility] of turtle (i + 1)) != -1)2 S! G9 Z5 y" t$ s* M8 @" Q& U% R
;;判断是否给本turtle的评价质量做出过评价的节点" F, |* W/ I' P/ b4 f
[set note (note + item j ([credibility]of turtle (i + 1)))& v0 e' E. H4 ^$ z
;;*(exp (-(people - 2)))/(people - 2))]
4 }( L& E+ X6 j* Mset k (k + 1)& p# o, e$ [' I
]7 R/ K# _+ ?9 O8 q& j* m
set j (j + 1)( ~3 }+ Z$ i. ^% Z N0 H& [
]& k! l/ H" w$ D- S. k! n: q
set note (note *(exp (- (1 / k)))/ k)
0 F, O+ w; \2 @; S: \set credibility-list (replace-item i credibility-list note)
! B5 S# U8 W) G: Eset i (i + 1)3 |# i. n& S: |) L0 M3 Z/ k! a
]- N6 A- _4 G3 ^- k
end9 a7 d( e# n( n# A
' T: ^+ y8 A4 Q4 Sto update-global-reputation-list: _" h) x3 @& {2 U$ }( |4 w4 B
let j 0
: I5 O7 ]$ C9 C! `. i2 s9 P* Bwhile[j < people]. w Z0 ]& J* @. \" M3 P0 {
[' j5 R: c: D) G% F. m8 I
let new 0, w4 `2 R& D! [# ^+ j% g2 s
;;暂存新的一个全局声誉1 m, ^+ O* @* U) I1 ~: r0 o
let i 0) ~! J( }) z$ f5 |8 w: Y
let sum-money 0
$ M1 Q" s7 ]! X; Q/ H& ?let credibility-money 0
8 e+ O+ L. I' Dwhile [i < people]- k( N% C5 A6 S/ s- I5 L, d! v3 V9 S
[" g; V E. T5 K5 ?* y- k5 Q
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))! D. t* `: T+ r7 o
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))! O6 w( q; C+ t5 i
set i (i + 1)
( m) w# P. \1 T/ {4 \5 L]8 g# N9 J! k$ [7 q! ^
let k 0
! }( [7 D" V: P1 Ylet new1 03 s# q. ~7 ^6 S6 [" f5 I* R5 p
while [k < people]: m8 h' y2 h9 @, n
[* @! d2 b5 W4 }7 }
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)
/ x+ g8 }. G, q- z2 x U9 u6 Tset k (k + 1)
% O6 o- V0 G3 D. l$ P8 g8 g]
6 T# M/ Z4 I: ]set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) , s! y, K1 O/ Y$ d$ m! H& N
set global-reputation-list (replace-item j global-reputation-list new): g" H, p% _% X
set j (j + 1)
% Y K8 E0 ] g, l' A6 B]
7 {& K! ]5 |7 ^5 h% [9 ?end
) v) W( n, F4 j2 i5 [& P' {9 e6 n7 J7 V& Y0 ]+ M: Z
' ?, f! } n$ Q, J0 ^
; I5 @0 S9 l* |! R" A8 ?. o4 {4 e
to get-color# X$ G3 \- h: u& w* U
. q6 n4 `6 R' q w% j+ I5 a& Q, j4 N* v- pset color blue8 y% `' ?; \5 s# H% O6 T
end2 G+ l7 M0 H& r& b+ Z
* v5 F) k% S v( fto poll-class* K& ~6 _# `0 w" B) ^
end3 L+ _" E% _! P
0 H3 t9 [" R- X. F5 v+ r
to setup-plot1$ B( i3 q0 I8 @
3 D9 f0 v6 j4 g4 G5 o8 @! s2 b
set-current-plot "Trends-of-Local-reputation"/ b! \ j! \9 R- S+ R
- c" I- E2 k2 f* M! m; Tset-plot-x-range 0 xmax
" {+ ^: w& }' s+ j& b! F: {; A
4 h2 R8 [! U$ V; j- e) p7 Kset-plot-y-range 0.0 ymax
7 y; k X, N3 ^9 Mend
+ Z, E& |3 O1 k1 `; F& U4 D9 Q# c# `' W: B1 o' }3 H+ q( H ]
to setup-plot2% g0 Y; M6 P% ?* I& H
9 H2 K8 a: g7 V7 R8 O, k/ S
set-current-plot "Trends-of-global-reputation"
1 o( B) r0 N% Z: o- G) o# q) F+ d+ o6 @& q; q# s
set-plot-x-range 0 xmax
2 r L3 A! f2 o7 j/ t
6 H0 s/ L) n3 zset-plot-y-range 0.0 ymax
9 S, M* q9 m& j) Aend
9 _3 U; Z. ~3 Q+ ^8 w6 _, q4 b# |; k' M: g# k# l4 j+ c
to setup-plot3
+ A3 Q) f0 E! M
$ Q) @( ?/ q* q, G0 l- m& wset-current-plot "Trends-of-credibility"
+ n& e5 F& j: k7 K R3 e& F5 }1 P( c7 B+ ^+ s m" d( k
set-plot-x-range 0 xmax3 y1 {: k+ K$ w9 f4 p, p
* s! ]8 R3 T8 Oset-plot-y-range 0.0 ymax
; E j9 c8 X- Wend6 q6 X4 q: r) a3 Y8 y' k( b
9 a6 ~- L( [: d4 S4 Yto do-plots
1 q- j( c+ {! \4 Zset-current-plot "Trends-of-Local-reputation"
0 M% v5 }2 R! l1 M/ p/ [4 \set-current-plot-pen "Honest service"
( a9 `" w) |2 E& b7 Vend2 {- i+ A* n* l; L+ O! d
/ l% G* D" k8 p m[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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