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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
9 T. j# Y' j- [2 ^' N1 ]/ w2 sglobals[
: Z: Z* } }/ f wxmax
- U! S: l+ T6 E6 l0 Uymax
/ u1 R! t8 Z5 R; S4 H2 t# @global-reputation-list
. b. y# Q( b) n
- f4 U6 s, W ] H9 w* m. `;;每一个turtle的全局声誉都存在此LIST中# m! s* H. i( j0 f0 }9 L
credibility-list7 A. S# {) s- }- l
;;每一个turtle的评价可信度4 Z- ~8 Z, N0 j/ |( l: l3 E
honest-service5 A, L& O, T8 W5 R7 E, \$ D8 J
unhonest-service ~: r* t6 `& f5 M# @! }9 t
oscillation1 i1 ^7 i' f3 W2 F: J3 u
rand-dynamic* c% \$ e& C- s" C5 _( @
]- | S5 X0 b6 b' ~+ Q
% z6 X1 y" D) E$ e0 Z8 f
turtles-own[2 O6 ]& O5 e6 }4 [
trade-record-all
+ p' D& j4 U! q. |# q9 j/ O;;a list of lists,由trade-record-one组成
* ?+ j8 t2 E$ ` X! {8 htrade-record-one2 n, W1 m4 s4 W$ V
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
! ~3 ~7 j e/ x3 f3 M* R* _% z' I
;;[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]]6 u3 {/ O u3 k& V( L' N% Q" o; ]# `) [
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]
9 F$ _3 v; p8 L# H @( ycredibility-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
- \% Z. ]" w- s* w1 Oneighbor-total6 _* O- q) {; }7 m& ^
;;记录该turtle的邻居节点的数目$ ?; a2 a2 G! \ w2 e8 x
trade-time$ s& j6 o$ d' ~
;;当前发生交易的turtle的交易时间) ]" _: w$ {' V% e, c1 y
appraise-give8 `! t0 D# |/ S7 Q# Q; Z. \
;;当前发生交易时给出的评价
6 {1 t. s+ ]* H8 x3 w: W. U3 Zappraise-receive
# h1 u& j8 x& I2 J+ }* `;;当前发生交易时收到的评价
& }# p& ]; o1 {% ]; y' a! Oappraise-time$ S1 {* e) F# L- s
;;当前发生交易时的评价时间' P8 V3 x& d4 _; ^ T- q* L( J
local-reputation-now;;此次交易后相对于对方turtle的局部声誉* r! F8 n4 W/ ^0 f* V7 b/ h, c
trade-times-total
7 z! b5 H) z! K;;与当前turtle的交易总次数
( `* F7 I8 p3 z. N4 S" btrade-money-total
& D; Y0 |3 Z6 l6 L. w/ I2 }9 q;;与当前turtle的交易总金额4 O0 p2 \1 E, ~; D- K
local-reputation( O! p0 ]1 |! V4 i) I% U
global-reputation! x+ t. g- E* K; [) l
credibility
* {8 i. [8 z" N1 t1 |% };;评价可信度,每次交易后都需要更新; c9 ^5 _8 [6 ~0 L) t( S
credibility-all
1 h' V% n- _ {, f( O3 F% K;;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- Z8 i2 x, C" ]' z7 _' b
9 g: M! [6 I- U; q* q4 S6 s;;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
& {2 Q N/ ?! Icredibility-one4 G9 O6 C3 R5 M+ z
;;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
2 L- l1 d4 R4 ]# p2 k9 l* Vglobal-proportion
6 X: c) ~6 G3 g4 e* O" h2 rcustomer
, A! o+ e+ n: Y ncustomer-no
4 I8 E8 g1 t' l* A- etrust-ok
8 @% V9 d r# v: W3 U+ k0 rtrade-record-one-len;;trade-record-one的长度
( G9 d3 s+ p0 F4 F4 a3 ]]
4 L* b- O+ {% V' c7 _1 ~4 x$ }4 J" n0 [2 m( x. Y* Y: y
;;setup procedure+ W/ c: Q$ M$ k7 q) b
8 Q: C$ R5 u9 W, Y/ i- s8 O, ]
to setup) }9 ?6 T8 I; l1 T6 D- i
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ca+ p; r" @! y0 `, g( u$ [
c( s' t1 A* ?( `; g! T* D! Zinitialize-settings
6 P+ z: C( ^$ H
; y, g4 h ^4 L8 w9 z/ Zcrt people [setup-turtles]7 n4 g4 a4 B6 h5 `/ ^1 k
1 {2 C- Z6 P6 J* E$ u1 ]+ B' nreset-timer
2 c6 _) K( B( A g( x; m8 c( J3 Z! |' l! `" B% G
poll-class
8 q5 h& e' B. {$ g+ X) R5 q) t% W6 [9 L$ s
setup-plots
( u* |. l0 ~7 b* @7 \- {1 O. b/ h
: X9 I7 l% P2 K9 n8 m2 t9 i' ?5 tdo-plots& B6 r, x' z+ ^6 U
end7 R G4 P# H# v- i) N: K
5 w# y U: u' K* B& Dto initialize-settings
4 S0 y M$ X! `, c
8 t6 Q" ~0 l2 u$ ~* S) lset global-reputation-list []2 q# o s; S+ I! \5 F: E
+ V4 B' W& u. D9 vset credibility-list n-values people [0.5]
: c ~$ [3 W, n$ I2 q' e8 h
$ O. a% ~ c" B) Cset honest-service 0
0 |* n6 l! d4 _1 J$ o6 q' i7 V9 A( l4 E: Z B/ b! x+ e* M* i7 r
set unhonest-service 09 Q- Y0 H) _0 |% m9 V
+ `! m* H0 I0 ?, c0 P3 {7 ?+ p
set oscillation 00 R& z& ^ Z8 |. a
+ H) D7 V2 e0 {1 D/ ?9 A
set rand-dynamic 0
* o5 H R' l& N7 K/ ^# v+ oend3 h v# c$ I u' I# B2 T
$ d) {5 H; m( s) j1 b& oto setup-turtles $ A* h P2 F" C( N( A
set shape "person"
3 U3 d: M P5 g, y, l4 |% Xsetxy random-xcor random-ycor' w- J( ~/ J. [/ H
set trade-record-one []2 {" L+ D! \) s' C6 b+ n- t% X
- S) T$ k+ `1 I% l9 o- x4 L+ {/ `
set trade-record-all n-values people [(list (? + 1) 0 0)]
5 t# n& w" W" h7 N$ _4 e6 N
" J+ j4 ~: Y$ \set trade-record-current []
( R \- M* L! i) j+ A+ M# b5 L5 lset credibility-receive []
* D' f( E+ S) N+ o' p+ O: kset local-reputation 0.5
# @! r& } I( [; Q- Uset neighbor-total 0
3 X R* r. {6 N) jset trade-times-total 0
5 j; q# s# Z% _/ }" ]" c8 Gset trade-money-total 0
& c9 g. d1 m" {9 Nset customer nobody
& o; O5 z, N, a4 d8 s- z- sset credibility-all n-values people [creat-credibility]
. H& M6 A& d0 G! w; A2 U xset credibility n-values people [-1]) [. Q* b% v, s8 r+ A9 i
get-color- J% r: O' Z" C6 J3 L
9 \5 I3 }9 O2 Q: G
end
+ o( ]' z# s1 F4 w4 v' r& U/ N; S7 ?' L# u6 A9 v( x
to-report creat-credibility9 \$ U& |: L! w5 x8 p0 `$ T* f6 j
report n-values people [0.5]# `( u7 O" E; Y
end
3 B7 F2 e: p: a' R" q! l. H, H! e6 L& X" @0 `
to setup-plots& Z; y2 k. p1 ?6 Q- v
- X) H$ ~# ^9 I4 |& V
set xmax 30+ o0 T9 e3 r/ B/ @+ p. i, }2 x
% E6 G/ C! R) C. {" }& o4 `
set ymax 1.0
1 T! X1 a; C6 Z; T& m) Q0 U8 J. ~! s9 c' U
clear-all-plots
' f1 b) S, [/ O1 u8 t! o+ C
& u& b c" r3 Z% B* @, l }% Zsetup-plot1
9 u- R" W3 }% O/ N- K( V, Y7 f9 N2 e$ N2 J. p& |3 z! X
setup-plot27 P* o: [% Y$ F( V0 s0 Q
) b' m, U f6 r9 L3 C
setup-plot3
/ c* v1 Q4 a0 Lend
' s* k" s- w- x' a& v: i" H `' q+ r# E& C
;;run time procedures) p5 w2 n) L/ T& d5 c- s
5 e( i+ s( |& d, Xto go
# u1 ]' f( N$ [ [% y' R0 L1 _! B. \+ A+ U
ask turtles [do-business]8 w- c/ D5 w) P c; u
end. O4 o) @* a- J) T: e# ^0 b
8 @' i7 k* G0 l+ v) K L# Y) Nto do-business
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1 k4 B0 {7 a M* H1 C: v, ^+ N! ^5 c0 D3 C$ W" {1 ?: b
rt random 360
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! F2 `2 `; V8 ^8 ^fd 1
$ k5 u1 m* c$ c9 {! t/ r1 T" {: ~% O1 \ C" ]6 _
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here
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;; set [customer] of customer myself
% o" \0 I* c# R. E; ]8 f" Q: o) D1 {1 |* O+ V
set [trade-record-one] of self item (([who] of customer) - 1)/ n" ]1 P" ~+ C
[trade-record-all]of self
1 T! {- ^+ }2 Q) L;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self5 Q# d* k, x' N, s
$ C F8 h& q5 \' Q
set [trade-record-one] of customer item (([who] of self) - 1). g8 L8 v3 `( f H
[trade-record-all]of customer" x; ^) e8 d& i" |! }. ~
- x6 x: \5 w' e; iset [trade-record-one-len] of self length [trade-record-one] of self
. w# W. b* W2 ~' `: y N9 H( R5 S& C
set trade-record-current( list (timer) (random money-upper-limit)), `- {: K# F5 x* g1 O3 r
3 t& _( _, P( G; Z. r! Z5 Qask self [do-trust]
( o [0 W9 ^1 |' f5 |2 g: A;;先求i对j的信任度- w S' r b$ O: d9 j4 P
/ F: ^, a3 @0 V& I: j3 J+ f
if ([trust-ok] of self)" p. n( F' |. h' {* c) a5 e# N
;;根据i对j的信任度来决定是否与j进行交易[
1 x' b4 q9 N% Fask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself7 |: O. y( I7 K0 F7 ]) V
& n$ u$ P2 F3 ?0 c
[3 C9 [! P, ~4 e/ r! E
0 I# m) d; H0 S- X/ l
do-trade
, \0 V; S4 F8 {6 C+ ?6 d
- Y8 ~6 D- c1 e+ F: d6 p1 ]update-credibility-ijl
# W6 `! n' Q% X" w+ X+ H% L$ Y( ?% B/ @0 s; \6 T. i
update-credibility-list
1 {" g/ m. f; u; t
. m9 B# C+ Z* I! a0 j3 _2 ^! s0 ]2 a7 Z/ C( b5 L
update-global-reputation-list
" o5 [& m. N$ Z2 W5 b* N
5 _$ G. p: k* D6 `2 U2 npoll-class
2 B& O" G6 V$ l8 p1 _
4 N* Q* f+ D5 C# e, |* N4 _3 v7 Tget-color5 @; i( J2 }+ X, b
0 M7 b2 U- ?: L4 L/ k. ~! U
]]. w; ?& y, h$ B# t5 B$ w) T" S
5 {7 m* u0 a6 W; P. D, B;;如果所得的信任度满足条件,则进行交易
4 P* V# n$ ?" I1 Z$ A: v" n$ W
p, c) R4 I& S: @$ T, K6 C6 Z; `[# B. P7 s( p/ B1 R5 X6 e7 N, e
5 M! j* A1 s" n9 e- Xrt random 3601 k2 ?" u* d2 R' i
7 d; o( P l0 _* t/ i8 sfd 12 i" w* b H1 h( T5 `/ |# V* z
! w8 N- f0 a) e; U5 S+ w]
* m- g; {6 A, w! a) L$ s7 Q8 R$ F, I" w. S9 p: b
end
$ J/ r; a1 o! {8 U* Q: F. Q6 R" A3 g/ X! K9 G
to do-trust
0 q8 a5 q( G8 M. B {set trust-ok False. V) v! _4 L# u4 a( H- z
9 w3 W$ _% L" _
1 l6 l9 @* j" U4 c' clet max-trade-times 06 D$ H: s& I% Z$ ]7 k2 d
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
: I) |& s' B5 Q9 Glet max-trade-money 0
+ G) x0 C( V8 Kforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
$ Q* U+ g* s+ f5 I alet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))7 n0 J( q& m; w1 Q2 H
0 N! ?, z' B, |
; v% k2 y7 f% H5 {* ~
get-global-proportion8 G+ B- Y# P) I6 e; Z" ^
let trust-value
8 M! {# T1 M+ g" K2 A9 N9 t# clocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
* o: c- N. l+ q) iif(trust-value > trade-trust-value)
; m& \4 I2 j: v[set trust-ok true]9 A# w$ h' K7 i4 f! U
end
; M* }1 ~- V% H7 d5 ?' y) k2 K' o) ~# B9 v! ^, @9 h M
to get-global-proportion/ s% A# }% B$ S; C) h, j- W
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)4 T) {; D. G! P" N* s
[set global-proportion 0]
5 q* ~4 Y; F5 N[let i 0
) Q& ^( V# J) v A) Xlet sum-money 0. ~- L1 q9 W1 d4 ^
while[ i < people]
. T' }# S. r$ s0 A. t3 e[
) U0 M2 O) ]7 V" ~" ^' V( P1 `9 Fif( length (item i
! Q- j* \% T4 I, [& E% i+ e4 M[trade-record-all] of customer) > 3 )
: l. m7 I$ a- c' V3 Z" M[0 e. ?5 X3 V" P4 \6 f2 j2 V' s D
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
. _* D6 h9 x) X+ o+ t* k]
/ E3 G! K/ B* L]+ p9 c, R) ]# ]! H% O. V. e' _9 k
let j 0! T0 [) u1 B' f {. ?
let note 03 m! U& X3 {1 v
while[ j < people]
# l; Q8 j ?: b9 |[
4 G2 ?3 t. B# z' \' ?if( length (item i. i) D# n2 m. f7 n6 W) v9 o% ]
[trade-record-all] of customer) > 3 )% c# W% r! ^2 L' V0 n) Z- O
[% M, ~5 K, |" v0 ? u, o
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)3 p3 ?7 u3 u$ t% R1 ~+ x5 W5 E
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]& a+ T! V; a$ t
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
, a! U- ~3 C0 e( ]+ V# V' l]
# H8 t& Z* d9 J( K9 N( }- Q]! Q& f7 [$ n# u: p1 M1 Y0 `
set global-proportion note
6 Q$ r" s! j9 B5 s3 ]( l6 r]: a0 M, j: L1 n3 i! V# y
end: a- _% x4 w- a2 S5 P6 @3 V
8 p6 l# V6 e* Rto do-trade
9 d& m& P2 z K2 ] o. y;;这个过程实际上是给双方作出评价的过程
; L) K: J2 g g# T7 f z- U4 Eset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价! ]2 s- T7 G) ?5 f) s6 d9 i
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
" g1 z2 g) @* ^4 G0 ^& X) Z% }( lset trade-record-current lput(timer) trade-record-current
0 h4 t, s' m5 O' m( q;;评价时间
+ s( x% c8 b! I* \6 ?8 \5 iask myself [3 }' }- p: s' P3 p& b( J
update-local-reputation
2 t7 R8 r& S, n3 {- I. Aset trade-record-current lput([local-reputation] of myself) trade-record-current+ p9 p$ ~: ^* U' |7 e2 {) c
]3 g, p- _/ l2 `" V/ ?& N7 E6 ^
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
2 ~3 \# ]* r0 x8 E x;;将此次交易的记录加入到trade-record-one中
4 L; J/ ~* I; e$ ]3 k0 Aset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)* X! A1 x J3 K+ B
let note (item 2 trade-record-current )
! y0 n5 {+ ?$ k. Yset trade-record-current3 Y+ k, F4 h# |3 X, h
(replace-item 2 trade-record-current (item 3 trade-record-current))! U a& n$ ~4 u/ E
set trade-record-current; z9 D. \4 R( v$ ~( _+ P
(replace-item 3 trade-record-current note)
' N9 |# m5 {4 E9 b) q
. ?" R# x% a' Q! s N
# H* P. T, r3 K( x" yask customer [
# P! x% x% W5 {/ @0 n" A4 @& Pupdate-local-reputation
+ F5 n# }- U3 x Hset trade-record-current
. L& [8 F+ F" n% w7 ]* c(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) : Y8 G9 y1 I7 E- G3 a3 d
]* |- d( Q4 f8 B: d- R/ M
; `' P) \' }) m8 P a, Z- |& M
% l0 j2 G( F6 m+ M5 r% O+ v
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer! ]. w6 P. W+ b$ c( I# k, n: Y
" ^. a& Q' O; H: j0 U Jset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))2 _0 T, @1 x) U
;;将此次交易的记录加入到customer的trade-record-all中" Y" y6 s8 |6 U& q6 D
end4 I& |! v+ K1 t5 q- W* u+ ?. @2 E
8 x. n' Q3 ^1 I4 eto update-local-reputation. |0 O$ p- M' S) m
set [trade-record-one-len] of myself length [trade-record-one] of myself e1 q s5 A9 T4 W
9 {& l0 N$ w% M. R, E A P' N+ g6 Q0 Q6 F9 r6 S- A" j4 W8 Y
;;if [trade-record-one-len] of myself > 3
2 d6 k7 U8 M# h; Hupdate-neighbor-total1 s P6 g1 a! J+ j: H* h
;;更新邻居节点的数目,在此进行( Z+ `! o8 B' w' D9 V# A
let i 3, f9 ^2 p% P9 a1 p4 {: N
let sum-time 0
9 k) F X3 n& Swhile[i < [trade-record-one-len] of myself]: z0 P8 i+ d: W) l# `
[
y% G3 m4 y f( c. Cset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
! X; ~3 d6 N3 M1 e8 H' Nset i; c' a+ C1 M. N$ s5 G, D
( i + 1)8 _4 E, c: o4 w, p; d n- o# D
]
1 p$ x+ j9 _$ N' p2 e/ v8 U3 P# h, dlet j 30 l: z$ B6 d+ i* a2 {6 e
let sum-money 0, W: ?. ?: e" S4 Z$ m* @
while[j < [trade-record-one-len] of myself]% F1 u* N0 K9 l) U! t# m L
[
1 c: m4 q) f7 K! d. D: Zset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)7 e+ t- H4 f0 s) s, k. J
set j, n2 ~# _7 w; j" P
( j + 1)$ [+ p2 F- h8 b, _
]
1 T) q" q) z& g" N$ |+ Nlet k 3
$ }! N5 p( r7 n. p4 H( plet power 0
" K0 ]; p: y* Q `let local 0, y! g8 T6 Y1 ?6 A4 a R9 r e2 S
while [k <[trade-record-one-len] of myself]: {* w+ g5 I3 g1 ^/ l
[2 A1 Q& x0 Z* f$ O$ t6 O9 ^ Q
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)
4 H- K3 e; c* L7 kset k (k + 1); P0 Y9 {" E2 w, I
]) @* P6 X/ f3 C l
set [local-reputation] of myself (local)
2 Y( u& P3 X0 e0 V/ eend* g- ~/ Z7 [3 T, t4 h$ p' D
! I$ r$ P$ Z/ ]4 @
to update-neighbor-total
' J; U7 X6 Y7 t& u+ C
9 ], V6 E* d# z: ~/ G1 J, N$ Rif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]% C/ p0 ]% i$ K/ x, H2 C% C0 _
% i- b- Z' [$ ] c. g; R
- A9 \* x) |0 W8 E4 w5 B _
end
8 r% ^; c9 B, d# S9 h) \" p& i! E- b' H" u' \) N! Y
to update-credibility-ijl / O* i" A' u' K! _" d9 C
6 b h( y$ L7 t3 a1 } w0 a4 V;;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。0 S# p7 x, e# A7 {8 [/ `
let l 0
, s1 T2 V# b# f' I6 @while[ l < people ]
0 e( K$ }. C" 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
6 x+ Q+ f: w' I: E) I[
# l/ f, l1 ~& _" o; H9 Plet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
( L1 I1 M t$ d5 B1 Uif (trade-record-one-j-l-len > 3)
3 ^4 q B! a1 Y* O3 k[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
/ y/ v: Q- K6 C6 y/ R/ f9 r7 olet i 3
5 G6 s* j3 M# H. m; ulet sum-time 0
$ v' f/ h/ b( S4 ~/ G& u4 {2 w0 Twhile[i < trade-record-one-len]
% R1 g+ Q- T. y, |( s/ e[% F+ b0 ~: y. [) h- @+ \
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
; R3 G3 o! f& O* `% W2 Oset i
, Y; {* k3 g; a! E( i + 1)/ Y- ~; O, D/ G0 k& E8 P. S
]
7 i3 f/ X7 W+ D5 x5 ~9 `let credibility-i-j-l 0
3 L% Z5 @( Q6 h: D0 j2 W8 Y0 M;;i评价(j对jl的评价)
! X. B6 ~2 v. q" N: d3 D0 xlet j 3( o7 `; c9 Y/ Z! T2 T7 |4 p
let k 4
* F4 n& |# Q5 f. hwhile[j < trade-record-one-len]
8 `" V1 e3 s9 i9 C" _[3 s5 C" U0 e7 j, s0 H6 p( _6 K' k
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
3 f: {( p. j! V8 o: u! uset 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)
( C3 x. Z b3 l J$ Y* d8 @1 vset j2 H, t7 X0 G$ Z* A5 H& }4 r+ b1 K
( j + 1)1 N9 K, r0 b& R
]6 d. s! M" E! V; W( z- R
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 ))
s# f0 I) W- L5 g# O: b/ { ]0 h8 W1 c/ N) G5 k9 g
; j& I8 y7 A* b& N2 u) t
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))* w3 D) j5 {. x' ?$ R
;;及时更新i对l的评价质量的评价; S+ d- e. n+ Y& C
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]. f: v7 _4 N" v" Z' H# v
set l (l + 1)
- S2 O" i2 T; O/ F+ [: B( z6 Y]& g% f A8 @6 d0 s: o0 w. Z
end
7 p1 S& R$ Q7 l. d# ^
/ |+ K6 b# q' s, C& Wto update-credibility-list
+ b4 V, g+ s8 n$ h8 O+ blet i 05 ]# M6 \; Q& P5 R
while[i < people]2 F: E6 Z) h& z
[
. @2 N! z) Z8 v1 {/ M% V$ klet j 0
8 G/ y# P3 E4 Dlet note 00 G( [' ^4 T ~" A* R
let k 0
% j5 p0 G' T2 t' W;;计作出过评价的邻居节点的数目" R- n) n* }" P8 D6 \9 D5 [( h
while[j < people]
& g' V7 c3 o! r/ h! V9 l[* K7 Y$ _, S2 P5 p
if (item j( [credibility] of turtle (i + 1)) != -1)& p) y3 S3 Q1 X M( ]4 ?! O
;;判断是否给本turtle的评价质量做出过评价的节点
# g V4 C4 e9 m* u[set note (note + item j ([credibility]of turtle (i + 1)))& X9 u. d9 E {% k$ n
;;*(exp (-(people - 2)))/(people - 2))]6 B! @6 h0 J! g5 S5 ~+ v) S
set k (k + 1)# L) g$ }/ {0 P9 Z
]
5 n# K) P/ E$ T6 O' Lset j (j + 1)" \5 U+ Q. z" j
]
1 l& |! n& o7 ]+ qset note (note *(exp (- (1 / k)))/ k)( X7 x# m! V+ P _4 E/ e0 f5 g
set credibility-list (replace-item i credibility-list note). w9 _9 j: L" j* k8 S
set i (i + 1)
" T4 i k" _9 I( ?6 ]; ~$ M]
* T6 C) u0 r" lend4 m% t* C! s! g! w
/ |; a/ q! N4 N" C2 b6 }
to update-global-reputation-list
2 ]3 R+ a3 k0 G5 Z. q% nlet j 0
- S' Q! T* @2 A5 ewhile[j < people]: i i2 h. e1 t) ]9 B5 O0 t
[
% v8 o8 e c3 flet new 0& x% G$ ], m2 g: [
;;暂存新的一个全局声誉$ r8 n* }* i. y, k9 _% Y
let i 0
3 }9 w$ {0 {! Z, V2 b( Q0 wlet sum-money 0/ k8 c9 R- I1 k. n3 O
let credibility-money 03 I7 \! N5 ~* {- B/ j$ }
while [i < people]
% c2 \ P- x5 ^, Y+ B# t[
. ]' A1 m& b& H/ Y9 sset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))0 Z/ v1 |8 s0 J) F- i
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
) h! ]* R5 {& q( L( t pset i (i + 1)
: J+ i& ^6 b5 a- p/ q], Q# i# s% ?& R+ ^
let k 0. z! W* N/ W! `# h& s. J9 ^/ M
let new1 0; J' l3 R8 z) v: T! _" I
while [k < people]/ P- h! ^' E" ]6 p
[
J* N$ A, j3 D+ x. zset 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)
, g6 o+ S4 {5 tset k (k + 1)0 c U/ o+ x; g' e$ x5 h
]; U0 y, `5 G6 H% n& I( E
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
* ^/ e M$ E: n, cset global-reputation-list (replace-item j global-reputation-list new)8 B7 G+ D5 |4 S+ ^% Z
set j (j + 1)
% {! s! r' z) J! o) B) L7 Z& U]
Z; b# s* \: `$ O6 Uend
/ _" x; K8 r5 r( m l! A9 p+ U. j5 B t
) k& ~' W D# p) k) E
, O9 m, K* K3 c& v qto get-color
3 H& P# V2 h S3 C1 j! G: O
& {5 k9 }$ X4 l& |" Uset color blue; }: B1 U( i1 h2 t$ Q4 V. F
end8 x) k0 T- f8 i+ m$ Y
$ J( O/ c6 g' I8 I) _# S) b# Pto poll-class
! O! M! \! N3 a2 pend
. ~+ L* }5 Y+ A
" y2 U. Z& `3 |& W* Uto setup-plot1
$ C6 G" D9 N: V4 U5 c
( s6 K3 s; k0 h: Mset-current-plot "Trends-of-Local-reputation"
" A. K' {0 [/ v8 _
: C; A4 c+ E2 u7 |set-plot-x-range 0 xmax; x9 ~2 s0 F* ^( s; J6 \; M
! [1 j) g# H( l+ v7 Kset-plot-y-range 0.0 ymax
7 X4 R E. c3 k( dend8 x$ H: g5 z: K. g* J( C/ Q
0 o! T5 R/ W8 n O) O+ D
to setup-plot2- o: S, N8 m" a) u
: p, ^; x+ \: xset-current-plot "Trends-of-global-reputation"
8 M4 ~/ e' W2 k1 @ H5 T9 |" i
3 X4 y3 F( o7 I% ^( _set-plot-x-range 0 xmax0 K6 f$ B. J" A- D0 R. D+ q, w# g
+ ~: p) i0 F. [2 g( u4 K0 P
set-plot-y-range 0.0 ymax1 b# E, b; @# n5 H# u4 H
end( A' P+ i4 [, O) q& {
8 [' z7 c; M; q
to setup-plot3- _: A& f6 _( m- L. K% x
- Z# r1 _3 s T" Vset-current-plot "Trends-of-credibility"
8 i8 D% a/ s$ i' [. I0 D4 k& ]1 H' A2 I
5 H8 ?. Z5 A) j5 T& i+ G I, Nset-plot-x-range 0 xmax7 Z& F9 j. Q; q4 e6 [* {( x1 B
# B) }1 s* a1 M, [/ j4 F& D& xset-plot-y-range 0.0 ymax
! m; m2 @, {# G! Jend
6 e1 x* h5 ]: o8 u6 i7 n
) a# h' z8 y) {to do-plots( k$ o4 G/ O) U7 l! v# M7 ~
set-current-plot "Trends-of-Local-reputation"3 y/ L5 b) E; C: N4 v) x. P/ ^2 }$ h! B
set-current-plot-pen "Honest service"
; L/ R' U1 b: W$ z% n$ g& Bend
4 _' {: `' z- ?: j* @8 m4 O
1 `5 Z! J% l: n8 N% x[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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