|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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/ H* g: m! A! x6 N% Y9 g
globals[, w( ]3 K5 G- y: f. r
xmax/ ^5 C; k0 f$ q1 Q
ymax; C7 \& Q; c: |
global-reputation-list
0 ] }$ T7 l2 ]/ F1 R( u
2 Z3 g8 Y+ { B, r6 W6 s/ Z0 f;;每一个turtle的全局声誉都存在此LIST中
* s" b$ u2 Y7 dcredibility-list$ s. S' q3 N; I9 q1 o
;;每一个turtle的评价可信度0 B/ S9 T; m3 q( w
honest-service [4 V. V, c, }- _
unhonest-service
' P2 U2 E4 u1 F+ roscillation4 o3 m9 a0 C/ }0 ~
rand-dynamic
, q, `0 b# U# t/ m( v] o G& S4 u: I! d5 L8 P
. C( h3 c8 \7 H7 T
turtles-own[- N. [. h" N$ J$ L
trade-record-all- ^$ ]) ^% N) w6 j# m- _
;;a list of lists,由trade-record-one组成 \* }1 d/ v2 ^, c& U( _
trade-record-one
4 p6 v* C7 k- ];;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录, b# T3 Z) n$ D( k% S: b) m
% f. B$ ] G4 X8 G# I9 I# q
;;[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]]
J% I, j7 P, 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]% V" k) j/ T0 ^3 _
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
- B! S- I2 ~+ f& C, K$ g Z& n) Wneighbor-total3 b# p# G. j) M- q2 c- q
;;记录该turtle的邻居节点的数目- |9 s+ h% b( S% `, m; B
trade-time
7 S& h. B, |( f' i$ z) i+ Y' j;;当前发生交易的turtle的交易时间
* v& p* _3 S8 U% M" j: m% ]appraise-give7 Y2 ]4 b: N8 T: H5 ?
;;当前发生交易时给出的评价/ i2 F z+ W1 Y) |0 J
appraise-receive1 C8 Y) k0 o) [, e4 X
;;当前发生交易时收到的评价
$ o* p/ v7 c+ g& e' Xappraise-time3 T, e* D3 e7 C3 U
;;当前发生交易时的评价时间6 U+ ?% E* p4 W3 _0 y0 }
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
4 p4 c" f' H2 O- c4 k9 ~1 H& S* _* atrade-times-total6 |; g5 k/ G4 |1 \" x$ D6 o5 u
;;与当前turtle的交易总次数6 s0 c3 L. ^ ?9 X& @
trade-money-total
, W3 L" D0 _; [& u;;与当前turtle的交易总金额0 v. e, q$ \7 Q, v
local-reputation0 j" D M4 g7 c$ u7 V
global-reputation
* U* q' Q6 [: @5 l. |8 N- V/ scredibility
& x, P2 U* j; W/ K5 R# J;;评价可信度,每次交易后都需要更新
4 G$ k) A7 d/ w& x+ Ucredibility-all
- z* y1 [/ ^7 |) J- o$ K+ e;;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. u2 _( C+ v; w& Y. \
+ \% I3 c+ u# n- w4 l) F4 J
;;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. w# g1 e4 I, U4 W n! \- Q7 W
credibility-one
5 _2 w+ S8 |& o5 ~" }0 y% G;;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
; _, O. R0 n, @global-proportion
( w$ V; ~3 p7 q9 ]: B! [+ [customer) \& \+ M; H: L8 d. d# _: E
customer-no- w1 w& _" M* Z6 L' @
trust-ok
3 a5 O* s. E* E( B Otrade-record-one-len;;trade-record-one的长度7 x8 T: n' a: a! s+ @( ?, ]8 Q& j
]8 W8 M3 q) ?! B8 n
% F' g; L" L2 P6 G. b;;setup procedure* h; ]6 p3 [' {( s; U6 H* L) l
0 O2 I6 t" J% [! k+ Z9 y# J- ?+ R
to setup
2 A% I- T3 ?' X9 |8 ~# i* v- N9 Z7 K# u
ca6 {" f) {& o0 L( j
, l& ^' A P! x9 w* minitialize-settings
4 n4 F) M- p9 t U9 Q o& E5 d
& d2 _9 Q0 \$ d$ ?1 s, y$ ncrt people [setup-turtles]
1 a* d7 h7 u4 T
3 s9 `0 f2 o! I5 }0 `* t# `reset-timer3 |- M' s _' w. q3 U
4 O$ m& i2 G8 Y; _$ opoll-class% N2 U! x) E& s2 K
k+ e9 m0 K' g( [8 Ksetup-plots
- ?0 v0 \) ^2 |2 `
: O2 ^/ S4 @- ^! v3 P0 s0 n7 L" sdo-plots
- e% ^6 r: D1 j8 n/ send
8 |8 A# [, Z+ w( Z+ S7 |
. _# t$ M N- t/ V9 S# dto initialize-settings
1 w) T: a g. X8 [- d! q* n( w( h. N. G8 X3 K. X( |! V9 I \& h
set global-reputation-list []$ [: A* c! J5 Q4 W, E
& C8 _% L& G2 R2 P- Q- T8 V
set credibility-list n-values people [0.5]2 }8 H& d1 c. k) I7 ^4 u
$ F2 z e+ M% |. iset honest-service 0
9 C' Y1 n6 ~! u* \; X7 m' D5 u# g" ^9 t* N- K3 ~) R% g
set unhonest-service 0
1 ^3 ~: a( K+ T
% X# H0 |' k% e0 S7 T" _7 Gset oscillation 0
) b4 s: y5 S/ v6 T6 x( X) d
/ X. t$ ?# v5 S! Z' Tset rand-dynamic 0% A' ]8 C _; L
end d* P3 I6 R) w
1 ^0 P/ x, t$ c& d7 w+ ~
to setup-turtles
6 \( [- Y6 |8 t$ p2 v1 p4 qset shape "person"
5 Z: Y9 q# ]1 |3 ssetxy random-xcor random-ycor1 z4 P5 t6 t# k/ P
set trade-record-one []" }4 `3 Q: }2 F0 c1 M2 S7 X! t$ j
# ]! R; e, |0 W1 o2 v- hset trade-record-all n-values people [(list (? + 1) 0 0)] . t) A& ^/ o! Q/ @2 ^' l# _7 s
4 r- Z" O- M ]& J: L8 J# eset trade-record-current []2 ^: d% S' @: ^, N; p
set credibility-receive []
" \9 q' n7 p- X1 ]. l$ Mset local-reputation 0.52 N" w0 K8 S& S8 Z5 C2 D" l# A7 L
set neighbor-total 0
9 W( d2 x, I2 G0 w5 T: D6 fset trade-times-total 0
, F' s5 o) @/ V* _0 f$ Xset trade-money-total 04 I; o$ y9 f, G g4 `) H) B
set customer nobody) v+ f n; Q) T2 Y
set credibility-all n-values people [creat-credibility]
* A) a# P; N6 I, }7 iset credibility n-values people [-1]2 d; D1 L: h5 S+ n5 o# k$ Q; ]
get-color
+ T: H, z5 y! ~6 i+ |& Q. l
! e* \# D& T. g1 R! ]3 {9 G7 _end& z2 ^$ a, G$ }$ f/ H0 e$ @& e& I
8 B+ ~6 l9 C7 b* y0 g V
to-report creat-credibility
, T2 L4 U6 m8 R' y8 R) l, M2 a, {report n-values people [0.5] `! ~% [4 h/ b
end! a# M- ?) W1 t3 V Y% a
& k- ]4 ? _$ yto setup-plots
8 h# {1 `1 x1 X: L; a/ u; ^+ a+ e* t& t
set xmax 30
8 O) R! B% d; C! R3 M2 D! J+ P! m
! c" e3 P) j6 }. c; `set ymax 1.0
" ~0 d% G4 ]( x4 b! _3 v; u x8 w& Y, L% V& e- l
clear-all-plots( k. w; r2 C' u6 r
0 B! M4 d2 E( i+ J$ d& R8 W
setup-plot1
3 h2 u: w# c# p( Z4 p8 @5 D4 I8 _; l4 `
setup-plot2% `1 M; z/ S: u7 O
1 ]" z- e0 v+ Z& s4 g$ Z3 G; s
setup-plot3' G; S# s& q- H, L
end. ]& j( E( c- |; a) V4 K- u: a+ E
1 M. ]9 Z y% L) K8 k
;;run time procedures
+ P6 V& O. X. J" H- I. B# B8 t) {) O- D& P% c+ G% M
to go
; R& [7 z$ D6 A3 u, \6 _6 K1 v3 J
ask turtles [do-business]
7 c8 D- ^; G. N% cend
/ \! n D) C, N6 |4 U5 q
" {& a- Z' \( G1 M" G, sto do-business
& W2 M( j; Q& M$ s: m. g, E6 W; O
2 e2 V0 o/ \8 o6 I: A- U
/ J) F6 I6 W6 s3 A! Urt random 360
, ]3 U8 b7 C6 ~0 I/ N c) w4 k D. s( t: g
fd 1
% x* H0 u9 N9 Y" x+ W& A+ O. d/ l& D6 T) j
ifelse(other turtles-here != nobody)[
- q/ T0 u0 C" R* F
' ^& d! V& p6 v5 xset customer one-of other turtles-here
3 h# g0 o/ a3 o- n! ^
/ V2 ~0 U/ p7 u! g6 H& g;; set [customer] of customer myself
$ ^1 J" U+ f R1 {( U% v. v7 |
set [trade-record-one] of self item (([who] of customer) - 1)4 O) a" I$ i J l/ @
[trade-record-all]of self7 D$ G. q2 a- [! |
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
; E) C8 l5 u- Y B" h& D w" K8 ~% P
set [trade-record-one] of customer item (([who] of self) - 1)
9 M# y2 `/ ^* \. _- |# S[trade-record-all]of customer) q# E( X) t: B& w
4 `. {# q$ m5 l2 H
set [trade-record-one-len] of self length [trade-record-one] of self
7 J# l& U9 f5 l2 N
( X( m. c1 n+ N8 Q' w8 ?1 Gset trade-record-current( list (timer) (random money-upper-limit))9 W3 o/ o8 k" j) J% [: v
' H4 V9 a( V' a/ I& k9 p8 ^: h$ nask self [do-trust]* R' O; r' {" D Y5 F
;;先求i对j的信任度" j- u$ X2 w) L. {7 s% i
+ n2 ~9 z$ N; r+ L( f
if ([trust-ok] of self)% l8 u' k: S( I' u
;;根据i对j的信任度来决定是否与j进行交易[) a. Z5 L w$ Q9 m$ t+ B
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself. e& R. {9 l" o' X! Q
: ^& m4 J2 T5 a1 Y
[; o: Z3 H; R( e! x% w3 U
, S' M% t8 N" ~' Ldo-trade
% U2 {) K$ F2 t9 B5 Z3 z' g- q2 J$ F/ d. U8 q8 S2 c/ K/ F
update-credibility-ijl/ m. H1 W, b& p' o
5 p0 S3 u' i. E. s( Y, ?# uupdate-credibility-list
) w2 [4 r& K" U6 R4 g7 F, v9 y. z
6 X$ H" s- F7 k# V {8 U. r# J! ]
0 T9 j$ w; r; x: oupdate-global-reputation-list- b8 q: U; g% o* f; x
6 c+ }$ w' N8 H( {# S/ ]
poll-class
' G" P" \( I7 ?3 z: H) _: D! a- w" H& w* n, I7 C* X- d
get-color7 D* L/ l2 r S
) q0 v( @# i$ `' U+ i]]
& h; k* k2 }2 V! a6 F4 K$ g. r' `$ }6 m! z/ x: N0 h
;;如果所得的信任度满足条件,则进行交易# E, P) b- V3 x3 B) P
0 D1 d9 E+ G8 Z0 b3 k% W[* S( F( _& r7 c4 r
) I/ B# ~3 [8 \- A1 G4 lrt random 3600 A( ~ e3 O+ P
: w; D$ U! `, Q9 L/ I- w* B9 t. k) B& y7 Ifd 1
% _! p, m) E+ d2 h# W: r. O$ Q8 Y! c- h8 _- g0 ?, n2 e, P
]6 D$ L( P: W6 o) B' e* r9 u# ^
( P# D7 F. K2 \
end
5 @) R3 l& p* H* d% T1 L
& S) R- P/ A, J) r# Q0 ]+ [to do-trust ! c0 W. C3 h* q+ M
set trust-ok False) f0 A4 E* ~! b1 ?4 l# h
* Q; G2 ]. i& z3 O; P2 r! P2 L( W8 c: k* a( x; l
let max-trade-times 0/ `; D$ X, Y$ T
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
i0 o8 y' Y& n3 B( g# [* elet max-trade-money 0
: k7 I% k& F2 |) \6 U: h* zforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]. y. D6 r8 w, h
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
" v1 l, w3 l! b- f+ [4 [) W8 H
o/ t* R" \ X! P3 f( R
$ d7 @. o# M# g6 _/ J- S vget-global-proportion
0 q7 F a- j) f) z( U/ h& Jlet trust-value
0 n# U/ n+ F, f* Y% o9 G* ilocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)- [: i$ a% Z/ h4 H0 O
if(trust-value > trade-trust-value)9 a( }* ]4 _4 o+ n+ V# ~, |
[set trust-ok true]
7 r% q+ T7 U. Qend/ O: r9 j. u- _/ j& h
& M* T1 I: [2 ?1 M' K( P; r0 |, Wto get-global-proportion
$ s9 m1 j+ G* O6 S w# `+ }! Qifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)/ a0 A5 P2 x: `0 _) D
[set global-proportion 0]
3 q8 ~& J8 t7 ?5 g2 q w: m[let i 09 r" V4 {: M& g' Q6 j' d$ v! C
let sum-money 05 n: g. s5 d4 Z
while[ i < people]2 S1 D, B9 i' L, E1 D4 V. g5 `
[, P$ ?+ j+ d- r$ D: T4 E' X# L
if( length (item i
5 l& P2 Z: _% g8 P/ e[trade-record-all] of customer) > 3 )
( D6 k; |" ^2 F; k[
5 [0 ~) Q! E! ^9 c& P( i& iset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
' j. {' P/ T1 f* x! l( B' }]" t4 W- L( s. w$ H
]
T" k- `3 E# D' Z% l! mlet j 0$ M2 S- R+ a1 ]) z
let note 0
0 X' K8 Q! D; P, ]( i7 Iwhile[ j < people]
# t I% @' q1 ^' k( M+ |4 i[
% `- K e: D& w. N& G4 m- xif( length (item i
# {0 b6 P0 H$ f2 ^( T[trade-record-all] of customer) > 3 )
6 |' s/ M- s {( z# ?, U3 J- b[
4 D8 z% ]* D! f" K- I6 X5 W" `ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)5 |' D: E% l P7 l9 z; W
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
+ K9 O, r8 u1 ~" Y% S: i7 K/ E+ K1 z[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
3 I1 D2 L6 @" P# K7 z- u]
9 E j1 G, @0 ~: P# d' q]
7 M9 |# m, s; ^" Y uset global-proportion note
( h0 v [1 l& N]. I7 s; @2 O+ \9 q6 }/ _7 k
end
1 w, Z" l2 G/ V# f: i, R I
: y1 t9 K9 M! ]+ a1 h! yto do-trade
6 a7 E5 u" o0 E% P2 A;;这个过程实际上是给双方作出评价的过程2 h5 ]& o6 s% M2 R: }
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
' q9 ?* K! O# R6 N# Mset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价8 z5 w+ u! c, X7 V# C1 C
set trade-record-current lput(timer) trade-record-current
: f* v9 p5 Y$ h7 ?% `;;评价时间
! O- n1 [% j2 _ask myself [
1 u0 I( a% K1 uupdate-local-reputation4 B$ c) i& p3 D2 q( h- @. k2 e" M$ o$ x
set trade-record-current lput([local-reputation] of myself) trade-record-current
& A0 B0 O4 ^( c) n]6 o' y* y J4 ?$ ~( s
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
. w2 `5 T9 a$ d% k;;将此次交易的记录加入到trade-record-one中5 w" K! a' _) z( ?
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)9 l' n3 y8 z9 c D# c& t
let note (item 2 trade-record-current )- g2 U D; x* ^! t
set trade-record-current( @" x2 y) ?+ x8 C$ c% B
(replace-item 2 trade-record-current (item 3 trade-record-current))2 H" u7 w! C; K. k' n0 @7 ~ V* p, q
set trade-record-current
1 O4 |, _4 o% n(replace-item 3 trade-record-current note)4 [7 _7 F. b8 I1 P8 |1 e1 K! u
% s3 n; E3 g/ `" f, S$ u
. Z' }! I# h5 }* w7 F; P6 X
ask customer [9 ? k$ J2 l6 b/ S1 w- g0 o
update-local-reputation
/ q! D3 @* u5 ?% @& `, l0 }set trade-record-current4 [$ ~ g* \/ {4 B4 L* g4 t# @8 V
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
" S8 ?# J2 i& t. H, \* v3 d]# v6 \) x3 t4 k4 b' M. X
2 M& Q. r$ G6 e/ M, o
& g P. y- Q% ]set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer. n- V0 P# V' o! s8 U
- Q% A# C# e# l, O9 f& X3 @set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))9 ]# j. t# C$ O& k# ~1 R
;;将此次交易的记录加入到customer的trade-record-all中0 }- O q; D3 g! Q) d# E* J
end
, N( @: z( m3 r) U9 E
9 y. K& L0 h& X7 v, T! ato update-local-reputation
6 ~8 Y) N1 a( ^$ o7 N3 ?set [trade-record-one-len] of myself length [trade-record-one] of myself
! Q9 X$ R3 a8 x
3 X- F( O( m3 f7 u T4 m" ?2 W( c: D5 l1 t
;;if [trade-record-one-len] of myself > 3 % Z3 L. X' [; h: t! Y1 I0 g
update-neighbor-total' n" `/ @5 E. \& ]. X7 d0 X
;;更新邻居节点的数目,在此进行
$ n/ | \4 u- w# A5 b' {5 _' c0 plet i 3
" }' U) m% w Hlet sum-time 0/ I% D+ ^1 ^( l- b- H& d
while[i < [trade-record-one-len] of myself]
* C" |, Q% f8 Y0 n3 y[+ s7 j6 O( ?8 v1 m) }# I
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
- m7 j# X8 ^2 l1 ~8 Bset i
5 V' u9 Z0 G* S- k- e( |& }( i + 1)- ~6 L4 g) T- t7 m% x
]1 ^0 Y) y) P3 W: a+ c7 W2 Z( ^
let j 3- J- L6 @. ]# Z O6 C( n) f3 O
let sum-money 0
+ }4 x' U6 o& [4 H; ~1 z0 \while[j < [trade-record-one-len] of myself]
. x$ `; ^" d/ o0 _ R[
$ m/ }% ^2 M- F/ {* C* {, Fset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
" L1 J7 u+ F+ u' a0 q" r6 Z$ g$ ]set j) Y- S' C$ J' m; e8 ?# e3 y! v
( j + 1)
: a5 l2 I5 ^6 D( M8 V4 P]
0 u" F! B V" H8 l" u0 p6 Olet k 3
* V" R& E0 h M' i3 Q2 olet power 0
8 [- y" {& `+ a, }7 B' Blet local 0
# G5 g! Y3 ^/ J/ W2 j* L, Dwhile [k <[trade-record-one-len] of myself]/ J2 Y2 m! A, q
[
4 z) X/ y8 m/ U$ \* f! {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)
?7 H% s- j& e& t2 o; Dset k (k + 1)
) o# p { O8 c7 S2 X' L]
, {' s. O- h0 T7 Q( i" @. dset [local-reputation] of myself (local)6 ?& s) E( n8 h0 t: L V9 b
end; K& P, e5 ` l7 ~
0 o% r/ C/ ^+ K0 J9 b$ Q: ]) a8 F! |" qto update-neighbor-total+ I; M9 M) {& t5 }
8 }; x: r8 a" L8 U3 `$ C# M+ Lif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
, I; Y% P. `+ N7 c* _' d! z; W* w
) O4 E) k9 N' [# @$ q- V) [" I2 w& ^) n" {4 H) N& U6 g! \/ J
end
7 m/ z4 N* A) @% C! a/ v$ a2 L9 G3 j% E8 V( r- `
to update-credibility-ijl
' [4 \: E; D4 f, u) C. z* Z* Q4 l; p" h' H
;;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。
' S5 [' t& b2 P1 C% I% s4 e) Alet l 0% @, y& s9 l9 K
while[ l < people ]8 q: A# q& Z5 G# X
;;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
( G3 a+ Q2 U. o; s# B* Z k& C[8 k# W! ?0 u' q$ d% j# ?
let trade-record-one-j-l-len length item l ([trade-record-all] of customer): X5 l2 h1 z4 N/ c9 d
if (trade-record-one-j-l-len > 3)
& d: B% p; d9 q+ J5 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-one7 E$ e8 r# s3 K1 I& H9 P
let i 3# J6 q, `' G* S
let sum-time 0& \/ t& X, w7 h0 \6 p
while[i < trade-record-one-len]
8 q5 A* x* R) b& G[
1 o; u1 m/ W5 A8 E3 L- F; @set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ), D7 X9 A: U; X9 w W) ?) X
set i8 w* A' H: m9 K. v+ {9 K# H4 l
( i + 1). i- }) W- Y, V' k/ S
]
O. f4 z B) p0 x3 ^2 glet credibility-i-j-l 0% {9 C; q, n9 i* P+ n b0 {0 Y
;;i评价(j对jl的评价)* ~5 Y1 Q5 Y9 e4 `8 }# v3 ]
let j 3& S6 |. H1 P' B+ A! Z
let k 49 a5 f3 Z, [ Q
while[j < trade-record-one-len]# j3 n7 T# ]0 Q5 A
[
6 {0 W: \1 X; V. \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! a0 D$ a" y& l* B3 L
set 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)3 c: a. v9 _$ E" p5 k/ {0 P
set j
4 M: J* u3 C7 W$ M( j + 1)9 W$ r# l2 ?4 B5 B" g) F
]# Q1 t. v6 J) w/ v0 v
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 )), h) V! l' ?0 d, k/ c3 C
/ f$ }3 z; D" h; ?6 I9 d9 S) |3 U3 R+ z% q/ H
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
' C" W' a( w% |& b3 W# U6 \# ~;;及时更新i对l的评价质量的评价8 F/ a9 B3 E( B) a) A
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
: d; y% {7 O/ o5 _! e' _' Zset l (l + 1)* _& Z; O" V% f6 ?6 {& m# g) X4 z
]7 s. @9 }1 t' J# ]& [! t- p% |
end
9 S) t% d: U9 o1 S! m* O( U6 R' m7 d+ C6 _, _5 Y& K; Q
to update-credibility-list, c; e7 {: c" H8 s' \1 i6 U
let i 0, n( j( O( h5 f: O& g" y7 w
while[i < people] A- {& Q- H, C5 k+ o
[( ^$ n9 Q' m) I- ^
let j 0
8 q. }- U4 p7 y8 Ilet note 0
. ~/ h, H! o) k$ T! plet k 0
8 ` {) B$ C, p;;计作出过评价的邻居节点的数目
1 G; y. B/ h" U8 P0 S' _ [) ^. t; |while[j < people]* m, z/ {6 }/ q6 s
[3 a/ S: R' M6 b* k1 Q+ L
if (item j( [credibility] of turtle (i + 1)) != -1)
2 |+ X7 h( d+ E. T8 ~; T* S;;判断是否给本turtle的评价质量做出过评价的节点
/ V$ Z: [' z& h3 O9 `( V# X[set note (note + item j ([credibility]of turtle (i + 1)))9 ^3 Z! Z; U0 F5 ], |
;;*(exp (-(people - 2)))/(people - 2))]' c$ J: j% U9 P9 E- {* R" L/ B
set k (k + 1)
. a. b+ o, o p]* e% _8 T% ?, Z8 z! B' u3 Z
set j (j + 1)
& b3 H! c8 h/ f, d4 D; n9 e]% R3 b- D+ f! m4 w6 {
set note (note *(exp (- (1 / k)))/ k)* i! t& [7 h4 ^( F0 x
set credibility-list (replace-item i credibility-list note)
4 r4 E8 _9 |" `& M1 L( ^$ lset i (i + 1)
; o% k* Q) f6 ?0 H% G2 ]6 e% q]
' M7 |- T9 n' ]5 C- w& l2 wend
- `+ l% T" d3 T% P0 x3 f
2 M4 _9 G7 j6 J, u" {to update-global-reputation-list
3 e, G& s- j: p! w7 U* Jlet j 0; J' g* B: b1 h/ z" u
while[j < people]
2 ]$ g5 Q& N. |! }[
- u: M' \/ [ i- U2 a1 K: [let new 0
; e: E* V, m& {- {;;暂存新的一个全局声誉
9 Y9 ~" P7 Q* Llet i 0+ x: y. h3 u( \" S- \
let sum-money 0
: }* L4 ?, E9 Z7 nlet credibility-money 0
1 J3 b3 V, i0 Iwhile [i < people]1 |8 P7 t! a4 K* g2 v Z2 M! g7 f
[
7 {: p6 y6 \) X* Cset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))* B0 \% r% F U/ S5 P
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
3 }1 X2 g: l* ^) S6 Qset i (i + 1), M! e% U6 ?- A4 [/ i
]
% I2 r* d- `8 n2 @5 ?/ u5 \* O+ \let k 0
8 b$ o1 K2 D- z9 O5 c/ ~let new1 0
0 ^# E6 S8 x; c; Lwhile [k < people]: M/ E5 @. h% k7 E2 Z
[
0 e, y9 V; u u& K8 k' pset 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)
1 L5 ~: E% T/ y" Aset k (k + 1)
, i- g% \8 c4 q% S$ N$ J' ^* b8 r], h3 U; o0 ^- z
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
8 _& b- U# g4 C% c0 s4 W3 G7 `8 _set global-reputation-list (replace-item j global-reputation-list new)
. O/ ?- c1 f7 @4 r M& a9 vset j (j + 1)/ ^! G# `6 T1 P: J7 i" _/ ^
]
2 @& n- c% B/ A5 `4 q" m6 m3 L+ gend u% F: O! a, u: Q
4 }" K7 d7 k+ ]6 ~& z$ f6 B
9 T. O8 a3 |4 t* R' t8 P
% y! b- d% l3 j* `1 {to get-color* n: |; V9 B% H7 P) C
+ L6 d/ a* H) @- T1 t
set color blue$ q# n. |$ K( ]8 R/ D! B" q
end
* J$ k1 K$ G+ W, A" f. _/ E9 u4 e. i9 B% y l
to poll-class
8 ?1 s0 x' M: {& ]8 `+ Aend
5 Q9 t: G5 w3 C
% \5 J, h0 u* E# N5 zto setup-plot1
/ U* g" w( k9 R9 W0 ]: C
* L+ v$ p0 d2 iset-current-plot "Trends-of-Local-reputation"3 [' h8 v3 ~. u" Y
" i5 T" Y* G. B: w" {- F( B8 P+ {set-plot-x-range 0 xmax8 s( K8 q6 ] |! q9 c
& W7 o) m: a& h' y. H; b4 g
set-plot-y-range 0.0 ymax; Y8 z) G& x; b7 X7 `% a% B z
end
; {* f, q3 E& k1 P% C5 k' P8 ]
' k/ e0 L9 x2 e1 ]! a) mto setup-plot2
8 n% C- J3 \5 v$ V: Q! W- k& J9 @# K: M/ K: V1 f4 E( r( Q/ L
set-current-plot "Trends-of-global-reputation"
7 U8 P& g( {- |$ P! v/ p
' {8 ~6 D8 I( Q4 C: C" G4 ^set-plot-x-range 0 xmax
6 m% [1 K# }) O1 p+ ^
2 F# T* O: k3 P+ J7 n9 Fset-plot-y-range 0.0 ymax6 |5 z7 f( c; d& b) n! U" W
end! O ^: m7 Y0 A) d9 Y2 o
9 |# J+ k* Z" n( D4 Jto setup-plot39 d0 z& \' T4 X3 i B: }# ]2 j" }
' A7 ]% ~4 _( `- _
set-current-plot "Trends-of-credibility"
* S6 W9 _6 f2 L/ g& o- S0 v! y, K- o! l( f* g) G( K( Y# l' y' D
set-plot-x-range 0 xmax9 ], N8 |; `# P. L
" Y- Y* H% A9 E- D% M% t" b
set-plot-y-range 0.0 ymax- i3 W" m; j* G$ F9 T! T( Y
end7 X3 G0 D& H9 u
1 R" j! Y z# Z2 w' `: o+ l; Bto do-plots; p5 s' l; d- _. I- X9 s
set-current-plot "Trends-of-Local-reputation"
* [4 r2 D$ Y9 d4 n, U4 `9 Kset-current-plot-pen "Honest service"2 T. O, ~% C0 x4 e2 t
end
! K1 X8 V$ G; }" C4 {
: Z* i5 v0 E* z: W[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|