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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/ j. D* I* K$ b0 g/ o
globals[
# Z ~3 y7 k4 _- o8 H2 @' [xmax6 y H( j& I7 Q1 P; d- E
ymax
* U, o) v) D) L" V' G% Xglobal-reputation-list3 P7 ~4 }: }: O
2 r9 m* X: ^- L9 P2 N' v$ P
;;每一个turtle的全局声誉都存在此LIST中( h: ~' V$ ], R, _" ]/ z
credibility-list8 Q8 C7 Y/ ^, |; G! L! l& y$ i
;;每一个turtle的评价可信度. [5 b' I& _: }$ K4 B- e6 k
honest-service
! P& j7 \/ e+ ]+ [) t7 {& `unhonest-service
, S) o3 p% r7 E) H) r5 noscillation
( h2 A3 L2 q/ ^# Urand-dynamic
, P: v+ x' N( }) `' f" c! P B]3 Q* j \$ _) l9 K) c8 j
& R4 Z8 B n8 ~( u3 u( X
turtles-own[
3 I1 ^' A0 V9 s! T' o; n3 m; ^' Qtrade-record-all& c1 g7 z/ h; G6 b( N( m
;;a list of lists,由trade-record-one组成
5 w. _# ]) q2 o- P8 s; Qtrade-record-one
' u; z3 q2 E8 D: ^$ F" h;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录- q/ `- p9 J7 ]0 ?* I$ N; ^
' ~3 x8 q7 i4 w8 i, Y
;;[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]]1 t7 B: g6 y! v$ M* S, d, J) C
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]
: l, ?3 [ R5 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
( u6 M5 \: r y% v, P& y& gneighbor-total
3 Z- ]) w+ P$ x+ F O$ M h3 F% F;;记录该turtle的邻居节点的数目2 `/ i6 Q5 A# O) ^4 g9 I! H; n
trade-time
+ m* u ^ b" ]4 Q, m r;;当前发生交易的turtle的交易时间
5 c+ g4 a1 t8 c$ aappraise-give
$ Z9 F9 i6 k" a' B% C$ T- |; w6 |;;当前发生交易时给出的评价
( u4 H* `( C C- F' ]" U: qappraise-receive
" Z/ a4 z- y3 V. u! e! ^; W# c;;当前发生交易时收到的评价
/ c# X8 B7 ~ T0 Xappraise-time
) ^$ \9 m$ R0 Z;;当前发生交易时的评价时间7 n3 _4 X" i" H1 Y
local-reputation-now;;此次交易后相对于对方turtle的局部声誉- \( {9 z: [* T% [
trade-times-total5 ~$ t# g# }/ G2 I. D9 m. `3 ^
;;与当前turtle的交易总次数
; _8 U- T* b& @9 m$ ?trade-money-total k+ ~. H3 `, o6 b% }$ P2 K# \
;;与当前turtle的交易总金额
+ D$ O% V, G3 t( F2 Hlocal-reputation
" S9 I) }7 K5 R, w! ]global-reputation ^9 ^1 F5 j# I5 r0 `
credibility
; s0 X6 T# p$ Q( |, |6 t" k;;评价可信度,每次交易后都需要更新, h( k2 H* C: o7 W- b; f
credibility-all
7 k# s9 A, d) R& Y$ a2 t% I2 [;;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
/ t* ^9 S$ R- h% r7 x9 l+ ?7 a% Z7 \1 Z/ }: V* Q) M( K: z, O
;;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
. z% H$ o+ k/ K r" h- icredibility-one& Q! k( Z9 _# D1 c* K
;;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+ f# m C* F# e4 ]4 C
global-proportion
0 \: c) d- V" Q7 o( w" k' h; mcustomer% t3 d0 {- h0 I6 }6 ^) y
customer-no k( I, a3 q$ W. u3 m4 m
trust-ok/ T; o+ t( T" P3 K8 k) M# ^
trade-record-one-len;;trade-record-one的长度+ j6 G2 R4 ]/ P3 r2 U( e
]
: _0 P I5 M) S& @* \1 D6 k( L+ E3 O
;;setup procedure; b$ i4 A8 h' h7 J% P
! x; l3 C8 J8 |* `
to setup- [6 N; w. Y! e/ _4 Y
0 v7 {* @+ I7 L7 b) E) a0 N
ca
0 _2 y# {) z: D j1 u& y
: F$ X) Q- u" E, _8 Z: d7 g1 N5 Q) Oinitialize-settings
! g: @9 e) O( k- D5 Y. ^
* [5 F9 b: ]2 y5 C2 H& ocrt people [setup-turtles]
. M I, N( |2 O: ]0 o3 e$ Y+ Q. Q8 P0 J" {
reset-timer
9 {4 J+ ~: }! j+ `3 o" r7 H
: e1 W% J- D R: m/ H/ S. g* ]poll-class
" U7 j+ W5 G3 W) I5 E% o: F
& r% R/ {6 T; |# e1 w7 X8 w4 `0 p( ksetup-plots
% v# t5 T$ C s& J) ^: Z
1 b! n( v- D4 x( [* A/ ]+ I* V: z# ~do-plots
. y# B8 c- F+ L F) h# v4 Xend
! j4 Z% g: V0 \+ Y3 X: f$ D: R( `
3 @1 `6 o a3 v! `$ A% B' Nto initialize-settings
6 X# E( P$ e7 a2 Z' @6 ?2 o
: G9 |! L8 c3 A9 X: iset global-reputation-list []
4 H: s" j% t! S# l- u& }1 m! E$ {# n7 V9 l2 I% Z% U# v
set credibility-list n-values people [0.5]
( A, e) s: {* K' j+ E: j" Q! X
" S2 y8 \2 T0 nset honest-service 0
' \: j7 \- A9 m% J% u- R4 a {2 \5 y& q' J+ `# x
set unhonest-service 0( _9 p# \ a: i7 U7 o6 H3 M I
/ H% S' P- \& D) w- Q; C3 _- uset oscillation 01 ^/ Z v8 B2 Y* d# j
/ E, }# Z' ^7 x; U- U' x) A8 Aset rand-dynamic 0! K( D5 [0 A) w3 E* ?' j* [" Z3 J
end
4 J# U& J% n# a4 m, y
4 e5 n. H& a5 v% m) ^) ^5 Bto setup-turtles
' L' r/ n: G7 Y$ Nset shape "person": C$ `3 |) K! n! ]1 K4 _
setxy random-xcor random-ycor
, k$ \: u( t8 ]/ ]* j: ~set trade-record-one []
+ g; Y* p0 c! c: R6 h. d
6 M+ P) E$ ^) { kset trade-record-all n-values people [(list (? + 1) 0 0)]
( k4 m4 ?& B1 A s- a. H5 a
( I$ ~, Q; _# f5 e1 A6 T- A( l; Eset trade-record-current []
$ t+ t8 p* o5 r% d" q" [set credibility-receive []
$ m9 [' O/ @; m7 j# Y) h# R7 Xset local-reputation 0.5- ^3 E. Q: e% }. }
set neighbor-total 03 ~! I. f7 c* g/ [9 K) x' L* U
set trade-times-total 0! h% b; k+ E7 W: I; A! W
set trade-money-total 06 C( U3 r4 Z3 R p; @- }1 L
set customer nobody4 P, L5 \; v/ q
set credibility-all n-values people [creat-credibility]7 b! o6 w' G' D) A7 o* ^
set credibility n-values people [-1]
" c9 v$ H& O5 [: q% q3 J4 qget-color* q7 @5 @( R% {9 V% C
& C1 B& K+ h( k1 j8 I
end6 y2 e7 ~& W6 l
( w* N, x G& e0 H: N4 }
to-report creat-credibility
$ y& V: i/ A, K" ?0 preport n-values people [0.5]4 t; Q x2 Y/ m# a
end
0 F: B5 t4 E6 L9 l+ x4 |! ~2 _2 _+ l
to setup-plots+ b: Y/ g" C0 ^# m! j; n' d
1 P" k. h2 e4 g/ u1 I0 X$ t
set xmax 305 v) P4 @. }! P; W! j
% L4 X# p6 t' K f; V6 e3 O7 @set ymax 1.00 D3 }5 u \ z2 r, C
% u; M8 B; E8 s" X# u+ fclear-all-plots
- S% w) T F! |) ~) C. r
( C7 H$ u2 `- t" e4 K+ X# |setup-plot1
8 n+ e. u; K) k% V& q* i+ r
/ H, I% ~: g( P% d4 i6 j5 l7 e% Osetup-plot2
. ~2 V! H7 B8 ~. L/ ?0 t: ^" o! Z
) }7 l* Z; y* `; n8 n2 Usetup-plot3% x. e4 ?3 I: q' |& B
end7 E5 |9 O0 Z# C, R9 y: h, h* g( Z
E5 Y4 R0 s6 } U+ y, U, N;;run time procedures
; b' p- V8 H# W' ?. \# b
2 C0 B; x( K6 p' Xto go
8 X6 j: i0 _9 p, E2 s
. ~4 \" B" y+ f+ jask turtles [do-business]2 e* z& {% h! x: }! H1 {! f
end. x$ m. p# r6 G3 f2 w6 o
+ U D. P4 J3 o" @+ e# Mto do-business * M3 n( L, T" A) Z
/ j( _* ]' Y+ ?$ b
: D$ f# e9 t0 ?rt random 360, Y( \& w5 H: a$ B# b4 v X1 m
" c- x; G( b: m4 j- x
fd 1
8 z0 Z5 x7 _8 C8 c0 [6 A# A+ T. I2 R e7 w1 F. z; `+ B" A
ifelse(other turtles-here != nobody)[ R; L0 {8 d, N4 X; _; M
! i* ]7 |$ w7 v; }: J( wset customer one-of other turtles-here
8 |" C; ^+ m/ {4 y$ e* H8 g
9 O5 j- m" \: x;; set [customer] of customer myself
0 l8 P0 ~! s: s" E9 D3 u3 j" q/ g& a
set [trade-record-one] of self item (([who] of customer) - 1)( j( T" J. b: ]$ f3 [. e
[trade-record-all]of self
" t7 s: \; l! h" G; \;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
9 b0 E0 B! r8 H Y& a
0 u( _# u7 ^0 B6 Xset [trade-record-one] of customer item (([who] of self) - 1)
4 F- y5 D4 Q) s6 V" p[trade-record-all]of customer2 d1 n& p- S9 _5 P
, K6 @6 t8 C( B) n c9 {2 W3 J
set [trade-record-one-len] of self length [trade-record-one] of self9 T3 u0 y8 V3 O( `; n
0 c1 K% K8 M7 y' G/ j$ q& M2 M* bset trade-record-current( list (timer) (random money-upper-limit))+ J1 Z' H7 Y& @* b; v
% Q l' v8 ?# ]; Y1 S1 }* N/ }" ?) uask self [do-trust]1 _$ R1 d* A- W! c1 M4 {# M! E; u0 ~
;;先求i对j的信任度
5 d# O+ Z; T% y3 U5 O% v0 m
4 C3 i; y# S6 c9 Zif ([trust-ok] of self)
& l8 q9 A. d I, A% ];;根据i对j的信任度来决定是否与j进行交易[
- H, h. I5 I! _3 J: W' z0 Cask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself( x& D C! |, Z, x0 T; G. `
' |* \$ {/ P7 i/ n& d[4 h, x1 V" c1 U
8 k3 ^6 \, \9 j- A$ j8 _9 fdo-trade# O3 u- `6 o! t9 \. q
$ ~/ T0 V, |' b0 e: K* e Lupdate-credibility-ijl
& z" Y2 y( r" j
1 i7 e2 r5 E: b% t$ a7 p% c$ p2 ]* `) ~update-credibility-list
( v4 w) g: P! k: V% k, J8 n; H+ S8 i
2 H9 ^2 h8 }( i; X. D7 n' G
update-global-reputation-list @* _) y* \# J% \. I; d
) n) J0 O; x" N& l! w, s \
poll-class
' {) ]+ B/ H6 W2 L, l5 _, n) t! ?, C, I( N% k0 n1 v
get-color
8 Y, h: C/ Y7 `' C: q/ P9 W) b# `# o, @9 P
]]- Z& T; ^& m* s0 \
/ a5 |2 i o! W( R( G8 M
;;如果所得的信任度满足条件,则进行交易9 }: }+ U S" @1 w, N
( e. M$ U$ R3 v* t4 z {% i[
4 X5 ]' V, p2 _5 _: _5 ^: o0 S8 U" f$ C L
rt random 360
0 w$ \/ O3 G, v% C8 f
0 k" w2 H& \( d! mfd 1: Y% y( L& m4 o' C2 O6 s
- [' U: x* t1 |$ s- h" u, R2 _5 e]8 ?* q) q1 R, H2 A/ \* J; I! {
5 q* V0 ~$ v' D8 f% M+ w7 n
end
2 C$ F5 T' d6 B$ U2 d- y4 {
' X* c& |$ S8 b! o# Oto do-trust 6 O+ f3 J6 K$ k" W
set trust-ok False
2 r( u, l) U! o; \
( a* q3 D% U* B; m2 z
. b- k+ m8 {9 ~9 d; M; xlet max-trade-times 0
! b$ d( Z0 W% _0 \foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]! I, ~" _9 l' c4 k* E0 R
let max-trade-money 0! l4 I. a- y$ |1 s5 ^1 }. s# a* l
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
+ a- C5 _5 b) ]let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))# `( z2 ~! l2 X% ?3 a# Y7 `
0 L; `$ o3 S8 v
; G- @0 U; O5 Y+ a* Zget-global-proportion' g& c; f" q/ A9 G
let trust-value
; H+ T- D& z! k7 ?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)+ z: H# Z3 u$ Y+ Q2 p: a1 k" l
if(trust-value > trade-trust-value)
) X8 @+ e1 O5 ? c+ J. f, J[set trust-ok true]
) z. M' B: c* n" t Bend
5 \8 s; u& h$ O! L* u. w: W
: O" R% F0 x7 ?9 q4 x! F7 ?to get-global-proportion
' L6 d# y9 h# {6 i5 j0 ~ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3), B& Q% ^8 V8 {
[set global-proportion 0]. j8 {$ F* V' S3 C
[let i 0
5 O, b" z$ o) Z" t" F$ Olet sum-money 0
+ Y( h- l& |6 c6 J h- h; c6 D3 Owhile[ i < people]
9 a2 P# F2 J. o[
e* s1 `& x( M6 x& [if( length (item i3 W9 w$ ?5 U! @
[trade-record-all] of customer) > 3 )6 U O, g# c9 L7 r" T6 ]
[3 `- |, w- G0 z. J" `% Y
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
$ T& g$ S5 U+ E' [2 w# z]! M8 {/ F( }% ^* g) P0 q5 C' D: z
]
5 r, U6 i6 g) q5 N* Mlet j 0
0 U+ h) V3 k4 V) M( slet note 0
. z4 g) R# }, Xwhile[ j < people]( P. _2 O" }# P4 D( u
[
; p$ @* l x* y! U6 @# m4 `if( length (item i3 r3 u, G& D _: i$ }
[trade-record-all] of customer) > 3 )& n3 H3 k# `7 @3 z+ [# J
[4 s/ J, D0 @0 D+ Y
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)- m4 A9 ^/ U3 y) e
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]$ s( ]" R! N5 ~0 n; t7 m
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
% b! S2 L- ?( f- v]2 D- u) F) u6 R$ Z
]0 |: ~7 W i/ s9 B3 _- ]6 w
set global-proportion note$ S; c+ k' l, q; e/ v- B2 ~+ [
]* i7 q* h: }! d
end. Y' |& a; ]2 f$ V- s7 a0 X1 h: A3 s
) l7 U+ x ?- h7 u ^& Kto do-trade
: c" [& ?+ A( m/ M1 r: \1 x;;这个过程实际上是给双方作出评价的过程9 K9 X8 ~3 A7 d. F3 i. R% p
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
6 }7 U5 D. ~5 Q% xset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价. i" ]% H( }: g
set trade-record-current lput(timer) trade-record-current, L% K" O. y: k2 Y
;;评价时间 F- ~9 n6 S( Z2 v; ]) e
ask myself [$ a) j% _( B+ c* ~1 L1 n6 w1 }# D( U
update-local-reputation
; M b# E; i: c l/ Iset trade-record-current lput([local-reputation] of myself) trade-record-current
5 ~% d7 A$ F: m5 u]! y; `5 z8 b5 i3 h& l2 K
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself/ Y" i0 X' [/ k V: ^
;;将此次交易的记录加入到trade-record-one中& g* a- o6 Y* u# H( A
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
4 t. I% ^6 c% h6 k7 llet note (item 2 trade-record-current )
, `4 C0 ]+ R+ N7 y5 xset trade-record-current! |3 R @- F) _+ i) [
(replace-item 2 trade-record-current (item 3 trade-record-current))1 m' D- B9 d; f3 Z' l$ @ \0 z- u
set trade-record-current( s3 @' Q( G% q
(replace-item 3 trade-record-current note) Y8 k0 W, j) A, A7 |" b7 o& P
4 h; R/ ?5 j E& I! J, ?) A# X: X
$ D% h/ }+ R8 I4 E
ask customer [
& \, \* E0 L8 y& `update-local-reputation: j2 K' r1 k6 K+ q: G2 r# N* {
set trade-record-current
$ E) S5 A2 a( n# c8 p(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 2 T9 [: U* s) _! W) s
]
" A% Y6 T* d4 A/ D; m1 ]3 k% R! Y
+ Z" D' Z( q5 Y+ E# s+ A- A+ L7 U/ a0 Y$ D, t
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer" p: ^( ~8 @! }8 ^# O
% b& C4 R6 L# w9 S+ g4 f# T. q- Eset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))( j$ U! ~5 v0 J: t' b1 u
;;将此次交易的记录加入到customer的trade-record-all中+ M i+ }" S2 k2 {- | y. R
end& h: B/ A" a# P
. i, i2 ?! V/ S& W- W I8 D( [- xto update-local-reputation
# g- Y$ `, m" f/ }' Wset [trade-record-one-len] of myself length [trade-record-one] of myself! @% M% Q- E% Q: ] @
, W q) h3 W3 \7 L
1 p9 o F. _% f4 _+ L: j
;;if [trade-record-one-len] of myself > 3
; [5 @$ d9 C) wupdate-neighbor-total( M# G; G2 x) i
;;更新邻居节点的数目,在此进行
. A& `, a: m7 m4 T2 wlet i 3
: A/ z1 E0 J, h; b8 s8 _let sum-time 0
2 g( Q0 P; c. ^% U4 z+ kwhile[i < [trade-record-one-len] of myself]" K5 v* R1 H8 s1 P* b8 b
[1 ^; C' q# s" G3 o
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
1 a% R" x9 [0 u4 V* n1 E2 q4 k- lset i! H C2 Y6 R2 e6 H0 \
( i + 1)
7 H8 U$ w2 t/ _] G& b- h7 E8 q; S+ `% x/ _
let j 3
- q# e( X0 U3 @1 |- `6 Flet sum-money 0
3 x; |7 D2 J- {! A, ?. `while[j < [trade-record-one-len] of myself]
9 O' ?4 @+ N. h: g% ^# r% L[
8 k+ L3 d* I8 ~- a$ C7 @2 Q" {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). t; H( v' P4 l
set j% D+ X3 s1 W/ h( d
( j + 1)
# _1 N" z' M& w# @& j/ `]
( N/ p: Y0 [, E, ]2 u3 L5 Tlet k 3
0 R! G3 \/ k9 H+ a+ wlet power 0- D! i- n2 ?: |( n0 u* z
let local 0
- f! B- M: Z+ D& N6 X( Y- _+ {2 Owhile [k <[trade-record-one-len] of myself]9 G( v5 v; h" Q# [* s( s
[
* S; {( Y' k& S" x+ Y% `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)
. P5 C9 K' U: p/ rset k (k + 1): n' O5 I; {! y' C
]
. o; |5 G2 _/ R K, fset [local-reputation] of myself (local)* c7 h2 \5 U& x4 m$ m
end
4 s( ~9 J4 q& o( d/ U) y; `
" J) r6 W. |7 b3 V. Y Hto update-neighbor-total; s3 n/ r+ k: N3 l+ d5 m- p
- l- V0 C1 k) r
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
& M. Q$ x T& V/ H/ Y" d o5 I. ^" W2 |6 Y) ^
; T& ^, ?# t) I, Zend) a4 \9 ?6 U: q" b$ U% b
6 d1 j( J3 z* E6 ?& v) Q& l# k
to update-credibility-ijl 0 W( `8 E5 e _6 Z. `* F! [& e
# n' k' j6 A {1 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。( N$ \: b+ c& y7 k. a
let l 0. J4 Q4 H1 P9 ], E' _. C6 A
while[ l < people ]8 q f# i4 w" D- T
;;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
) @* T T. ?/ g[
6 _) M2 f3 |9 o4 ] y9 C. o, Tlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
' Q! M0 Z4 g; B( i3 `# hif (trade-record-one-j-l-len > 3)1 S9 i( E7 l0 ]* ?1 T, ^* c
[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
' u" j; P% \! Slet i 3. D/ @' \* l3 r% Q- h& c6 ~' u
let sum-time 0- D& o6 D% G7 ~
while[i < trade-record-one-len]
% C8 h( R! G- c f0 f5 o7 E+ m; _[% V q, s. s: |( K
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )2 b6 k( }. D$ T. R; o! g
set i
z0 b* b, {+ t2 C+ k3 g2 C( i + 1)
. Z$ p6 e/ H% Z6 }& g2 ~]
3 d2 H+ r$ u% Z+ I# t! t& p2 dlet credibility-i-j-l 0
) i) p3 E! U( ^4 @;;i评价(j对jl的评价)6 C/ b' X- {5 r# Q4 G
let j 3
( U# S( s2 R- L- \let k 4
8 G+ t" M* W% Hwhile[j < trade-record-one-len]4 @! f1 H g" _1 C R
[$ Y. [/ h: a r7 K: S4 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
2 d( G: z$ C. V9 l6 o3 a; n5 V3 k8 Xset 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 i/ T( c3 h$ z9 S: yset j
& Z) k5 V% \# }+ s1 [( j + 1)1 W" W8 |) ]6 d' R+ n
]9 w3 _3 U0 s2 B4 ] ]4 Q
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 ))) n3 M0 h" r; l
! Y' f) Q' i0 \0 o9 f& B
; n( b2 r9 r; r1 b+ r& k: C* ?- rlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
. s" P3 g5 m \; N;;及时更新i对l的评价质量的评价" r8 z. \2 H+ D: t
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]$ m' f/ w1 _+ Y6 x, W7 c, |( H
set l (l + 1)! j% C4 V4 z7 }' E9 T8 Z! f
]
7 ]! G5 f3 Z- }( N* X% z0 vend
, R5 X6 U+ l2 C* a, i5 n( H; M
& `4 ?: ~% V0 j H `5 s$ Zto update-credibility-list
- b$ r0 d* m; e3 ^2 H# M7 Jlet i 0
3 T, s* k8 I9 F; R& w1 Qwhile[i < people]& `! P4 h. S- f% n ]2 Y( t
[
) Q9 m8 q$ \0 p0 ^# O$ clet j 0
2 s# e% v" g2 Q# m, Qlet note 0: m" ^* y- f- t/ A- y
let k 0
# o" D0 ?+ j Z$ p;;计作出过评价的邻居节点的数目% Z7 }3 v8 ?) R7 l( v
while[j < people]2 _" u9 W! I; l( t' c/ h R
[
7 l9 t2 N+ `7 O" cif (item j( [credibility] of turtle (i + 1)) != -1)
5 t( {, q9 H/ }% {0 }1 i, F;;判断是否给本turtle的评价质量做出过评价的节点
& r, m% Y8 x+ A6 }3 W" B* F+ M3 ]0 c[set note (note + item j ([credibility]of turtle (i + 1)))* y5 v7 x% @1 U0 M9 I- i
;;*(exp (-(people - 2)))/(people - 2))], U5 x3 k# S+ s2 @) h% P8 U
set k (k + 1)
/ }, L# M' n7 n6 g3 g) y/ D]/ t9 b5 k2 P' n% h4 g. F
set j (j + 1)8 M% q5 {) Q* w5 X/ X
]
7 v. K& G% _; q* A3 L* W% iset note (note *(exp (- (1 / k)))/ k)
" N2 |. ^- _( V7 c; i" z9 rset credibility-list (replace-item i credibility-list note)* k! ~ O; k3 w- R2 C" {
set i (i + 1)' B/ W* p' y- o" [ i
]/ H7 F0 n( H8 w# K. D0 V' i" y: }
end; u3 Y9 i9 A& N5 i
, v4 T1 ]7 k$ Z1 h5 y% Uto update-global-reputation-list) \. Z, W; ] t% x
let j 0& i4 p7 Y+ @: V* [0 N
while[j < people]
. a& w1 K7 c, T2 K! D[1 [( x% C$ l9 A, C( S n1 c( R1 O
let new 07 {' G% V& ]8 T
;;暂存新的一个全局声誉
4 s! M _( m( [/ dlet i 0
0 s3 @" F% r6 Q9 ^7 r2 z3 j, d3 tlet sum-money 03 X- N6 ] C' @8 E V3 l
let credibility-money 0. _3 r- [0 n/ q# ~
while [i < people]
3 B1 G3 T% t) u. T+ n' _[5 C" B4 S/ I, i9 W- x% D+ `8 x
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))% ~! Q1 R( M6 Q5 S+ j' Z2 J: u; h
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)), s l/ j2 c; `& h/ R
set i (i + 1)
/ x; x. J( @1 K1 m: d+ T1 y]
" G+ c7 x7 B1 S* }% a2 o0 Dlet k 0
4 C; b {& J$ z) Elet new1 0
+ l' m; [ C/ H1 `. z, Mwhile [k < people]
6 O, ^ m7 {% {, ^6 [[
* }0 m2 ?( O, i. P$ Iset 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)
: W4 o, M% G' o: s1 e& S0 bset k (k + 1)
/ o( b! {5 [+ _ P]4 c2 ?& _! @9 B% o
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
: _& W5 q* i" A9 u* V) V0 ]9 aset global-reputation-list (replace-item j global-reputation-list new)$ N- F w1 z( w2 n# P( f
set j (j + 1)
W! I0 \# W5 h9 i3 |]9 p- G( Z9 ?0 A8 A$ M4 P- c
end4 A1 q B0 A5 |$ `5 n
* G0 x" K$ w1 \/ s# z; \
' V3 j# l0 f4 Q7 S+ s2 ^' P6 A* n' p3 v) `. R( J# @! e4 C
to get-color- z. ^! K7 r: i' \6 r$ {# x/ |
+ _2 U/ i; [' `; \set color blue
: Z7 T6 F- C vend
+ r! J" P1 d- z% u4 O5 t2 R1 i& N) h2 f1 ?4 N! O/ b# r" ^
to poll-class
$ m J' _" \6 ~2 h5 _. Fend
: G" e$ h! T U/ L& Y- u1 M
7 t" v4 A7 f* m" @, t0 Y' Bto setup-plot1
4 X4 ^( S( h; a0 L" O7 r/ N
( X7 N6 m# F% S5 \8 \, e/ X/ F8 Dset-current-plot "Trends-of-Local-reputation"
# O4 C( ~$ ^7 Q; Y$ Y* F; R7 d( W. T6 s4 w/ l) X2 z4 @
set-plot-x-range 0 xmax! Z( t. {# w7 s# Y
' ~9 T" y* c$ W
set-plot-y-range 0.0 ymax
! j6 }7 Z) b9 ]5 Nend
4 _% n. u8 j G! a/ W: p# N
\; d k/ L# X* A! p" Jto setup-plot2
* D: m% P, Q& J6 P
+ X" z t) S6 v2 b- Gset-current-plot "Trends-of-global-reputation"/ n1 c! g: |) h" ~4 s) U) A
: m' K' H: d; F8 xset-plot-x-range 0 xmax
. Y' }* _0 Q6 s, U
0 r4 E1 s! l9 g, f/ aset-plot-y-range 0.0 ymax
: t1 J: t: t7 f& l4 Q. f7 Rend
9 T* S! `0 @' S X! l% J* S0 \
# X1 a. f: e' E1 _3 O2 bto setup-plot3
( v8 C" d3 @0 Q2 y
2 q' i* b3 k$ Hset-current-plot "Trends-of-credibility"
5 c! `0 P4 x4 k7 V4 Y% p( I/ X4 M7 L( u$ H% X& R
set-plot-x-range 0 xmax2 l! f4 K: t# G& ~! v& P
% E J3 x$ Z% c& a% p, M/ N8 n
set-plot-y-range 0.0 ymax8 P! `3 O' _8 J5 Q
end
: J5 `2 E" A3 L4 ]& E# m8 g
4 o3 }; f, J) \to do-plots
* A8 e2 z5 }) q( aset-current-plot "Trends-of-Local-reputation"
( n8 V- v# C+ n: bset-current-plot-pen "Honest service"
$ n0 ?; H7 G0 l9 }* xend
( Y& H% x- f. l: |( H, K- t! T* G& u! x7 e& j2 L# _
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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