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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6 r5 D2 H7 Y$ p5 m) Y
globals[
+ I% [% a1 z! k; Lxmax y: z, m5 F; S* f
ymax
0 E+ ]" F8 h; k" J0 x& uglobal-reputation-list
& l) X" J% E0 s1 H4 e6 |' o' i0 S& r8 H* w
;;每一个turtle的全局声誉都存在此LIST中
9 g3 y' b L7 [ M3 k9 dcredibility-list0 ^7 F4 h0 q7 [
;;每一个turtle的评价可信度" s! j0 f# C& `3 Z8 U: L
honest-service
X L/ u. r4 d. }" W. hunhonest-service
) e4 J; }0 e3 ]8 K% doscillation' _0 f8 s$ ~7 i( t* R: S$ g
rand-dynamic
( Y a" K0 {1 |% h) r/ x4 ~]: @1 o" Z F. p, P' `' D
7 \! L$ P2 I, b; ?( kturtles-own[
( f% I( v1 D3 k0 \! Y% b( C3 otrade-record-all! p/ r5 r# S# Z: S( m' W
;;a list of lists,由trade-record-one组成: ` v9 `4 _& G/ ?! W; T" {
trade-record-one& `. e; B0 ~0 v( [1 [/ N8 n
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录# u6 Q) w4 |8 t8 X* N& l/ V F
$ N2 B& c. n3 a
;;[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]]( D* u! ~' b/ C/ a
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]
$ s5 c5 F% ]; icredibility-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
1 i' c+ \$ P* m# Y+ X- I2 C7 ~3 lneighbor-total4 A' F% x' S0 x& i; [. G1 E
;;记录该turtle的邻居节点的数目
3 S/ K) v; x. F( K& n, Dtrade-time
/ m: }5 e. |: S, L;;当前发生交易的turtle的交易时间2 ?, Y5 l( M# \- @- I5 [
appraise-give
3 Y2 f5 y3 U, {5 c' p9 b8 ?5 B;;当前发生交易时给出的评价
0 W, I5 c: w8 Z2 Tappraise-receive F6 p. F7 @$ k
;;当前发生交易时收到的评价
' s8 V8 Z5 ~4 e: f- Lappraise-time
+ ~9 t$ e! ^* C# H2 h: {;;当前发生交易时的评价时间
, q+ F. P9 O$ q% hlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉: T8 ]3 v) m; u5 L6 A6 s
trade-times-total+ I7 C# n. `' s4 L5 t5 a U
;;与当前turtle的交易总次数: t: \) o# d" v# z3 J$ O/ U3 c
trade-money-total
* h) q9 A/ U; M;;与当前turtle的交易总金额
/ A5 Y F3 m- y; k6 Y4 ?local-reputation
5 i. U# p H+ I4 V( \4 y) F( kglobal-reputation$ E; {- z! U' @& A- V
credibility0 F, ` c; F: x% [- ^' M! n$ \: x; _
;;评价可信度,每次交易后都需要更新
( K* H5 A% B! E: I9 t m( Tcredibility-all0 o: z8 y! U5 y9 E% r0 F5 W/ p
;;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4 p) U: P8 ^. M
3 g4 M4 B% D3 J( D3 X;;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/ w0 q1 _9 c/ E0 S% O" d& j/ f
credibility-one) b. z# G. N: V
;;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/ U) V- s3 ~; \7 ]1 d* l. y
global-proportion6 D; O$ s0 k$ k2 K
customer
]4 Z- ^7 Q* N% W; Icustomer-no4 o7 f8 o$ k- o2 w1 g/ {
trust-ok% }7 |6 S2 ~0 r( C6 ]8 s1 d8 u
trade-record-one-len;;trade-record-one的长度/ f @0 A8 l& T: U% [3 y. G
]# ` l8 M( [% E* Q
: P) ^5 j5 P* H5 j6 d; R" k5 Q9 ~;;setup procedure$ b4 e* k& C' x2 C
9 I" n$ B5 H/ C gto setup
6 |8 X; F& K) y( r
5 K8 j( m- O2 V6 I/ mca
1 b, h# ]( Y/ H. i1 A* C0 a# }- X" `8 D' b$ u6 y
initialize-settings
* n& h3 ^/ v, T- K0 R
3 u6 u+ ^ w1 k& ^: Lcrt people [setup-turtles]
0 H8 R7 G" y/ C$ D8 O
7 N: l- h+ o: Lreset-timer5 L& o; ?7 U, @$ X9 b
0 e1 ~! T2 F) Q; H" T+ \8 Wpoll-class- h/ E5 _" V, [7 s5 j
* h6 H3 _$ [$ O+ ~0 esetup-plots
/ N& H+ K/ H* K% L
8 f6 T8 d% t0 Hdo-plots
3 P* L2 {8 T1 Cend
# Q$ c( s$ @# S! R
! [8 U6 J6 G* y0 _) C& h4 vto initialize-settings( N! x- j" j( [' {- u; E
S% p r9 u+ i: `0 gset global-reputation-list []9 L* D5 k: o' k5 e7 n+ |; X5 {
4 D2 [: V n7 x
set credibility-list n-values people [0.5]4 b0 _1 S; z4 h8 v! s+ a8 F
, m0 R6 x; [! e, s( Bset honest-service 0
m: Q4 `3 K2 t: F3 s5 p! I! [) F: z0 a' x9 h1 f3 ~* }, T W
set unhonest-service 03 {9 |$ f' U# `9 I& S8 W1 g! V" K
1 t: M* y0 u+ h- S
set oscillation 0
3 t9 M* R4 A2 l. m2 Q5 M: b- d: ?; _/ b% w" A& ]5 T
set rand-dynamic 0
8 a# l/ M3 O( Wend
. I/ Q% y; _) d7 I* K& a
3 r8 X1 q& q0 F$ jto setup-turtles 1 ]6 Q$ R$ }7 M; E) W2 S
set shape "person". t) j' m0 W9 ^, C" ?
setxy random-xcor random-ycor/ t- o) x" F. v9 B" e
set trade-record-one []
0 p- m; p/ r, S5 _3 F; D$ Z: f: \% J
set trade-record-all n-values people [(list (? + 1) 0 0)] . l' f' Z2 D/ k$ ]( }. H- r( P) C
6 g. @# l" q3 \. vset trade-record-current []
# K( J) P4 c" X4 y2 r2 I/ @2 uset credibility-receive []" \8 T" A h; y0 {
set local-reputation 0.5( l! C0 y% m: M
set neighbor-total 0
6 @) l6 o* Y7 iset trade-times-total 0- Z( w" _% I* i. l
set trade-money-total 0
% I+ ^$ _. ^; G! q* |set customer nobody
6 R' `/ ^- E$ {- Tset credibility-all n-values people [creat-credibility]4 G9 k& J" q" H* M: U- m3 s
set credibility n-values people [-1]
3 S- b* d) h4 eget-color. U$ K h" L8 y, j) \6 l2 q
1 {% C5 D9 `; D4 R! {! Qend! t6 n. [* W$ R) F+ g# I! D7 b6 Y
& v4 ]1 j9 k, h0 E# {1 fto-report creat-credibility
4 s5 a4 O0 Z- D; yreport n-values people [0.5]
! a7 F- S% v! e% b. Gend; o' J" k; U1 W
0 h/ R) b4 M$ H* o v
to setup-plots
; L7 v3 ^/ t1 {
J4 M* k/ z! O. Rset xmax 30, Y0 N3 {( o/ x5 r6 a. r1 C+ a7 |
: p" ^3 [% a9 T# H1 _
set ymax 1.0
9 ^" X8 L" J/ u' V" N5 I
4 B# L- Y6 U. u. q& j9 \clear-all-plots
, B0 U. V& D3 P9 g- a, q' Q1 z$ _3 o
" H- o* p H) wsetup-plot1
% L2 x. _7 \, I3 p; f
7 ^( b( }& E. N1 d* T, M8 R/ Jsetup-plot2; ]% w' w# k7 X& z1 M4 g
. B8 A* A3 Y% {. [9 _- @. Msetup-plot3: }: M" [2 H' L; O% E2 D
end4 Z; i$ _& [+ I) e
) m2 k& [2 {, V) i) w2 k" ^
;;run time procedures3 C: m7 v' V; S- S, {" I
: g( S, @1 c! H- G( t* z5 cto go: ~% G+ I" V( k. ]
" R; s- b m3 T7 h
ask turtles [do-business]
( z5 n/ f6 J E' f( T7 i3 Nend
6 v6 @7 Q0 y; [# u7 m7 Q; s, N# V& q" e' e8 k4 p3 Q, W
to do-business
K- w- w6 B) i( I- b6 `. O" @
; ]$ | ~6 c: j& w$ L$ @' L5 u# e0 i
* E- g9 F! V+ a2 e4 q) c7 jrt random 360$ v1 O9 m# ]1 a! Y+ Z% ] n
' y& P' R) f' C- b2 t& lfd 1
& R2 o# j4 k$ T: @. m B- u! J
; {8 I6 E2 `# `' v' Xifelse(other turtles-here != nobody)[
$ f) x+ d& \9 q; j! x0 n' f N( ]# U8 e7 e" H; Z. o
set customer one-of other turtles-here. T& H# u; o) P
6 K# z. Q# h/ R, C5 s2 h" M;; set [customer] of customer myself4 j: n- u2 r2 q7 K5 D! Z
& K( j# ~2 R [# `2 M8 i# nset [trade-record-one] of self item (([who] of customer) - 1)0 W+ q. x5 P/ J% M# A
[trade-record-all]of self
7 O( U- I+ T" F$ t; a;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self5 |5 N5 Y" q3 P- b% g& Q2 a4 e
3 T- A+ u9 n- l$ D8 I
set [trade-record-one] of customer item (([who] of self) - 1)
% n% X1 a2 ]' m1 ?3 d% |6 v[trade-record-all]of customer
* M6 Y, z7 Q: E8 Z! J5 F, G0 c' ~, n. l' B0 F- T" V
set [trade-record-one-len] of self length [trade-record-one] of self
2 A3 t6 e. K3 O: ]8 B* ~- J# Q( v- Y6 U3 P- G
set trade-record-current( list (timer) (random money-upper-limit)). |2 }$ |, p9 ?1 k- N5 u, ~" Y' h
4 I4 N V4 \2 O+ K/ |# m
ask self [do-trust] g5 T x7 ^( y1 s
;;先求i对j的信任度0 v: J2 Z' z, c; A0 S; m2 @
! }/ I$ Q1 T5 I3 n0 \
if ([trust-ok] of self)
: g0 @3 R1 |. _;;根据i对j的信任度来决定是否与j进行交易[
. X. | n2 u; y+ t, Oask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself( Y* ~$ V* r6 x' W1 h- h" z! R
+ }. q( L" |0 x[
* u L% q7 \ f: a) Q5 k
5 F2 L0 Z2 F9 ~2 V* J8 ndo-trade
7 {8 |0 I% H* t
- c7 h% V/ h! `' ]7 Y7 v& s5 ]2 [update-credibility-ijl# [% [& K* F( i
: E+ e# O0 q; v& C
update-credibility-list8 G9 U, ^- U/ Q; U) m! S. G
$ |. P! r+ `9 N% O9 G ~. g! ~1 }) S/ C$ u* P2 V" Z
update-global-reputation-list. ]" S7 Z$ X8 j8 |% g) ]
5 z" d) X' L; N& F4 Z
poll-class. h, w" N8 q: R5 w4 }1 S; e
# M. g# f9 z9 a$ ]: S2 z; s
get-color
: v# @; w" W0 x7 L% l+ \
: q3 U! P3 o9 ?& V4 y]]
, B2 Y0 \6 c: K5 @ w1 |( V( O# e. n3 k8 D$ b8 s( C! _$ Q
;;如果所得的信任度满足条件,则进行交易7 `6 @# \9 z, b* i
% c8 l+ F% e. x, v( i9 t8 a
[
3 y2 I I4 q; K6 a$ E1 A
" ]5 I( n6 V3 J" y0 V1 b! \rt random 360 r! p( x; B' A" Z
% l2 F$ I; \' j: k. [! y @# R' D
fd 1
$ m& T6 e; ?, t! F
6 }6 H4 E; R+ K+ k! Z9 t0 y3 H( r]
6 X h) a" C& u! g9 q& r2 N0 ?3 e( X( J; n' A) l5 q* R1 l
end
+ K K/ B; B3 c6 w3 a v8 l# n8 ]) G
to do-trust
9 _$ s( P7 y2 E! J/ P8 n# f8 n9 A1 pset trust-ok False
o9 {& k# {$ J8 n2 W) {% f
! [ Q, P# H3 Q/ ?7 V( E0 g6 b
0 S# k: J2 G) E; b8 r2 t6 W. r& Mlet max-trade-times 0! c0 a% j3 g: p: h5 X/ G4 m
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
0 H& M) U, N: k- @7 O% Y( L/ Y0 Ilet max-trade-money 06 |1 d0 t& a5 ?' Y4 A, ^
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
, w0 N- |* ?0 L8 `' klet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)): @% s4 I+ ~2 J
9 c: y" x$ l# R) `* e3 N
l6 Y! G" |( o8 N7 e9 Z4 c
get-global-proportion
- N7 j( p8 u: _, P9 _. U5 olet trust-value, m! y/ x3 i0 I3 M, K5 x$ c
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)
" \' g3 L5 U( p- D# gif(trust-value > trade-trust-value)7 g9 e9 ] {/ g9 h* O: [) Q
[set trust-ok true]
1 S* h3 Z; b7 m) Bend6 E: Q$ ]" R1 i' z- q8 I8 C7 E
1 E, b) N/ r) `0 H
to get-global-proportion
2 P7 z! B& c6 Q# j0 O) Y: D; tifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
6 ^' l' l9 c8 M9 ^: F6 b[set global-proportion 0]: k: [3 ]% f. q w% t
[let i 0! f8 i+ s) g1 _2 x
let sum-money 0% t% B9 l. h; d2 n& k; g2 ]5 ~
while[ i < people]$ u* X2 t. G: O
[
" F2 d' z! r% l8 U2 nif( length (item i
1 Y6 p; Z$ |- {% q+ U[trade-record-all] of customer) > 3 )" k0 I) j' X( C$ v7 N7 X6 h: g7 P8 {
[% T i- ~' V( g
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)) |4 C1 U3 K% z5 I
]% ~2 z! E3 S4 i+ F( Z" R
]# p5 C, @6 ^# l
let j 0
' w. w8 I4 [9 o5 u& Q& W9 plet note 0; [- X w; {; ?! F# z6 m( M
while[ j < people]
. W. z7 i$ x, D+ Y; g[
4 b# [: N+ k8 bif( length (item i* T/ u8 s+ q1 I; m% h
[trade-record-all] of customer) > 3 )8 y5 y; f: ?; F7 Q3 Y9 I9 d0 `) |
[
0 p1 L) m' e% }# r: R5 Nifelse(item ([who]of myself - 1) [credibility] of turtle j != -1); G- T7 H0 C2 t' B$ k. |! m9 E$ s
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
; t/ s+ Y7 D% r8 u) R[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
/ e$ c* u2 C6 H4 l]
( ?4 I Y) E; a]
# z, B, M! K: N- K( Jset global-proportion note7 i1 ]4 _- K% q. ]# e/ j
]
9 m9 _6 p& Q, ~5 Pend+ z9 r# O0 N; k( }2 _5 y" r3 U
3 B1 l7 B, y* x. Z% t- X
to do-trade- O& @2 j& u/ k- z! {6 c
;;这个过程实际上是给双方作出评价的过程
+ V$ x1 M3 o# u" X- [set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
3 U8 M1 }5 z3 {: S/ Lset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
* t- F: D: l+ r1 {! wset trade-record-current lput(timer) trade-record-current
; v" @. a* D3 F! X' t;;评价时间0 [% r1 g0 O# b
ask myself [( Q7 Z: {( c5 D* [2 F: n
update-local-reputation
& }3 v* V6 g4 i/ k) U$ d) xset trade-record-current lput([local-reputation] of myself) trade-record-current
7 H& q. \0 l1 j1 L7 x7 \ Q5 r]: |- F6 C, A& I' i6 z9 N. x6 @
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
' w; K: L% k, \! |: `- z( ^& K' s;;将此次交易的记录加入到trade-record-one中/ E9 h' N; n- ]% e) r" ?
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)6 q# U& L! }& K( L( w
let note (item 2 trade-record-current )2 _% K1 R' A/ `, j: r$ c5 T" o% U
set trade-record-current2 k- H$ T k* c8 A- V2 w: H; v
(replace-item 2 trade-record-current (item 3 trade-record-current))4 ]5 Z9 H# i- p, L
set trade-record-current1 v, n* G. B/ w+ n% S- y
(replace-item 3 trade-record-current note)0 w5 E" V/ ]. e: \2 B5 d2 l1 m
9 n; H. l6 `+ l' a- M$ r9 r" X
( S# L' [# B, Z+ H+ @# L9 |4 i+ T/ Bask customer [: \: E7 f0 G( u# h. n2 V
update-local-reputation% r8 @1 b; C, ~5 U0 E) _6 r
set trade-record-current
+ l' Q- v$ A/ }! b/ c. K0 i4 {(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
' d: o# L; |7 E" Z]
1 K' C" y4 i9 i) q5 @1 o4 m" C# q Z$ t1 i
5 A, R5 m0 C- F8 P6 O
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
2 `1 D+ X( S. w) u" e# ]6 d6 P2 m: r' g
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))8 I& _1 R% F0 K% ?
;;将此次交易的记录加入到customer的trade-record-all中
* n' S" K" r& `7 H+ I0 `end
. O x# a$ H1 O3 ]
* U; G, X3 F8 Z2 q0 ~8 d, D4 a( `to update-local-reputation" b& G# @3 p- f$ W- J- t
set [trade-record-one-len] of myself length [trade-record-one] of myself
# u/ e `) Q0 @) u, q) u7 \# K# p4 l9 K# N: g
J6 W! r: a( ? x: Q) l;;if [trade-record-one-len] of myself > 3
: d4 a) v% k+ C3 o \% x* U2 v( mupdate-neighbor-total' Y+ \) C9 `' ]% r; n3 h
;;更新邻居节点的数目,在此进行 l2 [3 o: ^( O7 k/ S1 S; e
let i 3* A1 N6 f/ i$ ?$ l ?) J6 h
let sum-time 0
8 A8 o `7 }* t% D$ L7 nwhile[i < [trade-record-one-len] of myself]
! z6 r4 A, `8 `: P6 s8 _[
, L2 k, K- B; `7 s! H9 o& Oset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
! ~1 n' } C$ P$ Eset i A. X" A7 \3 w# A4 ?* e/ f
( i + 1)! z; _1 W: m# P9 t0 D: i& v
]% j5 M m1 J5 ~" d% }& o
let j 3
( w) i! `) N$ G# Z$ wlet sum-money 04 @1 R, g6 N' P7 m, u3 ?0 x
while[j < [trade-record-one-len] of myself]" p# A, ]! Z, q5 l; i, ]
[
9 I& `" [" z; H. x: J3 x& v& lset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)% w1 ~; L' U5 _2 b( d! K$ f1 v
set j2 m- a$ i8 d y& U, c- X* e
( j + 1)
% @ {: Y$ z1 q2 E# q$ x]
/ i5 g" b% V5 Glet k 32 @, K8 b8 x# s/ t
let power 0
3 L$ L% M z! m, _+ I: Hlet local 0' d/ m+ Z0 D+ l6 e+ ^, B8 _
while [k <[trade-record-one-len] of myself]) g. B% T# X6 _/ R9 T" S9 T
[
$ a5 q) d9 M+ C" J; _set 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) * `0 A! ?% T7 z) S+ U
set k (k + 1)
; h* @4 v3 `5 m2 G! |; _]4 e \2 v4 Z- A+ @+ ?" P% a* p2 z1 J
set [local-reputation] of myself (local)
% ?- Q9 }' Z3 N" }# ~end
) s0 s: Q8 T9 X# a! B$ t- }& R- H- m; t9 n% S/ {6 e
to update-neighbor-total
3 _ ?8 z4 C8 d$ _, F. H7 K
3 ]9 H, ~: y) w1 Bif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
# v; o& T3 a: C) f! |% ?/ Q! T. T+ [$ Z
& t+ C# R6 c/ t& }end
( D" W- k# U) O+ {; S5 y# `4 l' c% F
5 M) l- D( R1 `to update-credibility-ijl 3 k3 f Z+ \0 L E+ Y$ X
) E" o1 U0 p; o* T3 f
;;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。
( i* X9 s h" G9 y+ h1 }3 rlet l 0
9 O$ @9 {) T8 b& y# I. b: W$ @while[ l < people ]% o; h# j6 W5 m$ T/ ^) W
;;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
! p- Q1 l! H$ s9 w- h[$ ]" _+ `9 W5 ~5 U
let trade-record-one-j-l-len length item l ([trade-record-all] of customer), H$ x+ y! U. P( N, J7 R
if (trade-record-one-j-l-len > 3)
% o( d8 K2 q' p; O" y[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
' i Z% g0 i) f+ H5 m, `3 x8 elet i 3
! z5 v! A2 a' S3 Llet sum-time 0
3 g: O# t; O) T6 Gwhile[i < trade-record-one-len]
* ?1 D3 A% ]9 K: m0 L2 N4 F[3 q4 m! j- g8 M! P0 \5 Z
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
8 S8 @. x3 o+ Z% r0 q5 g0 R1 c& Oset i P/ f' g$ H2 a. H2 H/ Z: q1 [. A; N( C
( i + 1). q x5 U L' X: S% l1 a
]% K, x) ^& h8 W/ Y# x- K* K [
let credibility-i-j-l 07 T; l/ Q8 ]$ M
;;i评价(j对jl的评价)7 i' R) W% r6 ?6 j) z* e5 V
let j 3
: @3 Z7 b8 ?- j* ~, B1 @let k 43 Q6 Q$ p1 v% q, k- v" {
while[j < trade-record-one-len]# }! B* Q1 m# |: F- E" A* p. O
[
5 {5 u: W" W/ k7 _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
5 ^+ R2 a% L" r$ bset 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)7 f2 ]4 A5 _4 n/ H; k( m5 w
set j/ J( w, _" w6 J
( j + 1)
3 I6 j4 c! y. Q]
+ A+ W9 d( n. ~3 q0 s4 l! hset [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 ))$ w" }/ y0 b$ S* d; f
! ]. b C* d5 |
- v, i9 O t4 F8 z+ }' ^5 f
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
4 v0 }$ y4 {( ~# i;;及时更新i对l的评价质量的评价4 c9 w5 b9 u, ]4 W$ }7 A5 ?: @/ U
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]" i) r, s9 _$ ]. Y
set l (l + 1). G6 c# C( P8 S
]% h7 f- ]# H, ^% N& Y1 y
end
5 `- e; \) K! i5 t- L, ?: b1 l" v
to update-credibility-list0 T( a; C# d) w$ l9 g2 j
let i 0
8 b6 Q8 |) F9 bwhile[i < people]. F! e9 r6 G, s1 _+ P
[
8 A- W+ P$ ^& K1 e& hlet j 0
1 H2 y) F: t: h0 Ylet note 07 h5 b G6 j4 h' z/ n& K* s
let k 0* b# V, T! E7 d/ X: N
;;计作出过评价的邻居节点的数目
# b7 V- P. n9 x+ Ewhile[j < people]! V6 {8 E( N! M% n" m# U
[
3 S: \1 @, y3 _" s! T7 Y# Lif (item j( [credibility] of turtle (i + 1)) != -1)* A$ b0 z G9 J" c3 P# ~ e5 u7 G* ?
;;判断是否给本turtle的评价质量做出过评价的节点
/ U4 M+ D5 W& d& U1 F) C- G[set note (note + item j ([credibility]of turtle (i + 1)))
2 e: U* \% O6 E4 C% y;;*(exp (-(people - 2)))/(people - 2))]
4 Z+ S8 `; {! B) j4 k( @) Q8 B$ cset k (k + 1)+ c" s% P# p$ [0 f7 O7 a
]
' o* f( \. `" R7 Pset j (j + 1)
" _+ ?! Y3 Y6 x5 j" z8 x% A]
1 m4 y' l6 a! M3 ~% V0 dset note (note *(exp (- (1 / k)))/ k)
+ _0 F, ]# X# u: @, ~8 c2 w3 Pset credibility-list (replace-item i credibility-list note)
* g( \% \5 Z" @( }- s/ ?1 Cset i (i + 1)
* a4 J& q' M% W; ?]' ~ n" S! }% p9 S" H
end
7 J+ G5 a I9 k" W3 A8 A
2 J V8 F. G1 L% @to update-global-reputation-list
6 E% m6 C5 R" ]# v$ k# S! v0 llet j 0+ y! B( T0 I& I0 o; d
while[j < people]2 g& Z2 P. D: k, H
[5 B2 j: Z) ?6 `9 y9 D# g9 E
let new 0. n, { L# A& \: _$ m
;;暂存新的一个全局声誉
4 ?, V- }. w: L. G$ x3 T* Hlet i 0% V+ e7 x$ X% N+ C B% P# w
let sum-money 03 A% ~/ [! D4 w- M/ o! {! s
let credibility-money 04 N% i" m( ^* Q8 N# h
while [i < people]
: ~% n' N0 c0 k& u* [[
8 C+ v" Y' s% y9 y6 D# }set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))$ T, {# o: h1 ^1 C( f
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))% F# j$ D2 K' {3 I5 k
set i (i + 1): Q% H# c0 X5 a0 [4 M1 |9 i" e5 |
]
t" K- H7 j' V. W9 Qlet k 0( B# [* y4 x' ?9 W
let new1 0
, N+ u% u" ?# |, E/ ^8 bwhile [k < people]
5 Y) m: h7 U [$ x! R[7 a( c0 u! F, o S; j R9 d5 T
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)& B" L2 }3 F, g3 {/ H3 L
set k (k + 1) H- P* {9 U3 m* h. t6 v
]
) M3 G9 K2 D w( f4 }- |3 Aset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ; q+ S# r( m! x: ]0 `
set global-reputation-list (replace-item j global-reputation-list new)
) u8 }" B2 Q) \0 I: ]: @- A" Wset j (j + 1)
# X; [7 y8 N1 Q] q' i! E p* I% l* [/ \
end
m* e0 k4 S! r% Z; o
% _4 f* l4 s7 c2 X5 C; M& z! j' h9 m1 p
5 @5 B# w- z7 S) a- P( {
to get-color
2 N, a5 v* z" B9 P1 E
Y6 Q5 f* t# H6 O# N2 s+ J: I9 Yset color blue, W0 i0 f4 S2 M3 X
end
# C& S& g0 G8 B" q1 E
2 K& o, H* |6 S6 |to poll-class
U8 n& o$ Z( T7 V! e4 i% Bend
. B" [' q' d# r3 i" O; J! V+ D
" h! C- t0 y# nto setup-plot1
* h( a! W9 E" E! K! R R; J
8 n6 K7 a5 J, i K8 t4 a$ r1 zset-current-plot "Trends-of-Local-reputation") R, c- }* \/ R! ] O3 Z) y6 P
# h( P4 @: O4 n& M& j$ @* ]3 _1 D
set-plot-x-range 0 xmax0 S+ {8 i2 {. m& a% D B
, }8 ?9 Y; d; C6 c6 w
set-plot-y-range 0.0 ymax& U3 ^3 f# b+ D) |9 S
end2 Z! j+ r3 m. a1 Q* V/ O# n W! G
' @/ w2 d& Y% p X: {3 ], F7 b- ]3 ?to setup-plot2
9 @" P, b& `0 v5 u9 @1 k- G1 h. v1 o0 g. C5 ?
set-current-plot "Trends-of-global-reputation"
& S* ]& O1 c6 o/ r, E8 @3 y1 I
% e0 X. d1 b* B1 w3 }set-plot-x-range 0 xmax. a2 [ ?# N# m, R( V1 C
" |$ c/ b) Y7 Z
set-plot-y-range 0.0 ymax" f) W+ j7 Z6 a$ `
end% s: s! o" U- o) x9 k' r: `8 P
) R5 V. O* ?9 Q" v
to setup-plot3/ F0 _/ F2 ?# y! ?8 T
& Z) ]' K- F2 L" k J+ Gset-current-plot "Trends-of-credibility"
7 M( E, G8 Z! i! s4 y2 Y) y% V) [
3 n" C4 B% J2 A8 o4 p5 Gset-plot-x-range 0 xmax5 f: p( F! g! l' G# x
1 a# T6 b# Y9 Z! W+ fset-plot-y-range 0.0 ymax; v5 G- _* g) l. J: p/ Z
end& A7 A3 j6 c0 b, T
/ Y* j5 P5 g0 v5 b+ s2 o( a' kto do-plots
# G* h* H, w; O% wset-current-plot "Trends-of-Local-reputation"2 S6 a/ H% t0 O
set-current-plot-pen "Honest service"% h& n( g9 d' T4 o2 Z) C: E i
end0 d g/ @9 Z7 A
- T6 y! i0 Y6 w: H[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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