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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0 J1 P5 E. \5 f" f) N* \8 W+ j
globals[
, \ v/ ^# L% O' b+ t) `xmax
5 o- t9 f$ S0 q0 Yymax5 ~/ x( q: e# ~6 I0 c2 a
global-reputation-list* O+ u, y0 x! ^* w+ m a0 {$ E
0 A! K6 L/ _9 W g1 B6 t/ S* J2 v
;;每一个turtle的全局声誉都存在此LIST中
( ?! p7 l& E5 L. Y; Fcredibility-list3 T- p( w) ~% r+ m7 @
;;每一个turtle的评价可信度
: w! {4 R3 V. b$ yhonest-service
& G. q5 C3 ]8 g6 W& |% L6 qunhonest-service
+ E; ^' e( r: y- }oscillation4 P$ w7 Z9 v7 }
rand-dynamic
( S/ ^# q k4 B2 g( H+ X3 d7 _]7 L/ W) M! _+ J! P8 k' k
{% i1 J: T5 x+ W( U# h& d; O
turtles-own[1 T$ D5 W9 D. Y" Y1 A2 F1 _
trade-record-all
; F1 k% Q. q! J! g) t# P;;a list of lists,由trade-record-one组成
! j _1 Z7 o& b% ntrade-record-one
6 e3 o# e- X+ D& m% o# j; w;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录5 g1 w5 O$ N- L
( N- t; d3 x( {9 H7 N. ];;[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 t- m4 E+ T' k% Btrade-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; N* R. p8 }5 R2 zcredibility-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
9 H, u, j" J# f$ ]* Aneighbor-total
7 A2 o. U9 E2 ^) Q3 y! ];;记录该turtle的邻居节点的数目
$ c4 x9 P! I2 F1 _1 gtrade-time
' ?( O/ I) G4 j" j- Q* X& Y;;当前发生交易的turtle的交易时间
# L" g' K. V% Q/ R" T4 V8 y! `; B1 Mappraise-give
; I* R2 t" v0 M" ?# q;;当前发生交易时给出的评价
' ~( @. Z; K0 M- F7 U% ^appraise-receive
8 R/ T1 g8 g4 b;;当前发生交易时收到的评价% P* w* R$ c i, u# `# b
appraise-time' o7 |! s( \9 w9 _
;;当前发生交易时的评价时间
/ Y S& |0 M7 _: |/ Wlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
$ U) `, S5 c; K6 {trade-times-total
3 V F+ Y8 S! m- `. |+ s( v;;与当前turtle的交易总次数
" [2 [* b0 \% k, N4 ^* r3 n& g. P4 e- [6 Utrade-money-total
0 u6 g" [! a+ T9 X' R, f;;与当前turtle的交易总金额
; W* s% n: q4 U7 Y! d; Alocal-reputation
- T) Q% b' Z& O. ^' H# B7 Q" }8 F3 hglobal-reputation. ^9 W/ M! K6 x5 G" r# |
credibility0 A! }, o- H W& e! ~- J6 a
;;评价可信度,每次交易后都需要更新% a/ G9 S1 f4 i3 `" t V) k; y
credibility-all i. L1 o4 t$ W. ~( `
;;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, V- g/ M( Q6 p7 N3 F$ ]2 O; l* Y- `: q, B
;;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0.53 l6 E/ t q" Y1 o5 `* C' x
credibility-one$ M. e$ ?, o) `- J& \
;;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
+ ?: t2 e. O1 z$ o/ Hglobal-proportion( r9 V' F6 P8 H! w' I& j3 o# a
customer. y0 o" ^9 ~ _
customer-no) J# V+ n3 w8 i
trust-ok
% U; m& t- t" w9 D3 Utrade-record-one-len;;trade-record-one的长度0 _2 J! Z b" z6 i K0 t
]2 m0 `1 e; I& I6 L/ H
' A) [3 d& [% l
;;setup procedure
) H# @7 t" v( P- L9 D$ J5 r
( b& Y$ C$ n4 }9 lto setup
+ p1 z# j. Z5 D) u+ s' y4 x2 q8 F9 M$ i
ca$ \0 P. s, w5 H8 u+ s1 Q! t: p
, n6 p; G! A4 H5 V) B8 J5 Sinitialize-settings2 f4 c0 y7 b# n0 {1 X6 m, i" `: S6 N
2 S0 }9 J, m* y8 c3 F
crt people [setup-turtles], B+ Q- D; ?( o' b1 g* D0 j
2 Z9 t, q( ^+ \, C1 U1 X
reset-timer/ C/ S0 D, U' H8 U" s# f4 W, Q+ n
1 h$ V2 r5 n+ r$ tpoll-class
7 \" z& U# u! z" s6 M$ N7 Q& [5 D& N8 Z
setup-plots4 L3 u" D( {* G5 m7 D' a
& H6 z d" Z8 M$ Mdo-plots
+ z, {# }- f S' kend
! \7 o) ~- U' u/ u: i0 x/ ?% T9 C5 V2 X/ o; c* o* C1 g9 i' s
to initialize-settings
! y! \3 C$ L9 O6 v/ ]2 n) G. @, k
6 z- Q, _- @/ {/ f% Q: l- v: p9 fset global-reputation-list []
' U) y" D( y" ^5 ]) p% S
0 e' L# {' X, Vset credibility-list n-values people [0.5]
4 w5 j9 B d9 k4 O) u! {9 z
. q2 G8 g+ J8 b [$ h2 Iset honest-service 0( ~8 Z y( o- f# H5 r
- I* O# b5 ~* h ?$ [, w- N r- o( oset unhonest-service 00 Z% s C5 D$ D
6 b) v" ]9 [4 s n6 S* }set oscillation 0( O; \' d0 D" J4 e! G( ?8 b
( E$ Q" q. V; N9 Bset rand-dynamic 0/ L, a0 W; i4 R8 Z' D
end
4 ^2 I' k3 w3 ^7 g; a
+ t% t' w% T( U( dto setup-turtles $ I1 B3 n/ X) {/ w1 e, G
set shape "person"$ u, Z' k' d. Z# B' @
setxy random-xcor random-ycor
/ T5 o9 `/ c4 E" |4 G/ z& f1 hset trade-record-one [] y$ }- T& C' a" L8 F4 J
: g* M# H$ e& [2 _% X
set trade-record-all n-values people [(list (? + 1) 0 0)] " P5 J! n* @4 H* K# ~. u8 _" x
: T- E9 y9 W: T6 i, u: u- \set trade-record-current []
$ N8 g+ j- o1 P* h- L1 H% wset credibility-receive [], }: H* G# `7 ~1 F8 ~( D( W
set local-reputation 0.5* s( i) P& a) ]8 k
set neighbor-total 01 j+ o ~ T$ }2 P W/ ^2 k
set trade-times-total 0
) b) a t: o3 e0 e% Y% @4 Iset trade-money-total 0
$ @; U2 Q0 c# m2 [, K( eset customer nobody
2 H( u; G- k/ O2 Tset credibility-all n-values people [creat-credibility]3 ^" ]2 T6 w) j% c% ? }
set credibility n-values people [-1]4 }1 _8 S1 W, `) y3 L6 ^
get-color/ H5 |1 p- U' U z! f
4 j% i& V6 D1 G' @' T+ dend2 h: t; }# g2 q4 Q" [
' Q6 P% m2 R7 t" _( W8 v' O- [ Fto-report creat-credibility$ F& S/ G! x2 n! P$ B
report n-values people [0.5]5 D% t! `) y; r- l0 a! i
end5 j) O1 c! O% i; Z
. ?. X4 K0 m* S4 F0 s5 }
to setup-plots
; b/ V9 E- m5 X, _! S) s9 i: a; j: W# V1 O- M
set xmax 30# S8 w1 z& v {! Q$ }
4 a( `9 k0 L& W m
set ymax 1.0
( o# v8 M y* b. e0 m) S5 ~6 E/ Y! |& c4 z. Y+ z; t( R
clear-all-plots- L. k% r7 ^' E' c/ b3 C: {8 c) \
5 E* @7 @: z H. [! Q. z* k
setup-plot1
" }: A- V& d* }4 O5 B, ?" }; A. Q7 g! r$ x: u' `2 a
setup-plot2! C3 T! K( v1 P
% H j) {* n6 n' q' T3 f; @setup-plot3
$ ?! y+ x3 c' s' c4 Fend
3 U d l6 n& f! g0 H7 h B1 e# f- r' L T9 i
;;run time procedures
, i. ]9 Y9 X+ {/ N9 m X5 J* I( w! v6 t. U! g: p7 u
to go" \9 O+ ~ O h( t2 T7 u
$ k0 s) E4 o% ~& a
ask turtles [do-business]
$ z+ ~. x1 h# x1 N1 `end
' p5 P# ]) w: E9 v& j" Z" T& o- _2 x
5 _8 P t2 F2 V6 D6 N) A4 vto do-business
9 g& u8 U, T5 W' s" T+ J, O+ V* D/ }$ m9 V# X
1 P% H( p8 d, G lrt random 360
7 e, E \- t4 r: ]$ O. g
3 H* n' y' V* Y1 `$ Q. S0 T/ c3 P- ]9 Ifd 1( Z6 w5 A3 ]: e- n; e8 C
" ~) _& y2 x' I5 t! t" r
ifelse(other turtles-here != nobody)[
Q9 J9 k3 [0 N! l+ l
. S; ^3 k! q5 A' c' y7 l' Q& gset customer one-of other turtles-here
9 w% ?9 t+ G! W- X- Z
, i) {& U$ `+ z7 A1 k) N6 s" `;; set [customer] of customer myself' x' Y% s$ v% F; w% g
\: ~. a5 J* z& }. J. C' `set [trade-record-one] of self item (([who] of customer) - 1) V" a) [! H" e% z4 F5 h- \0 ]: [
[trade-record-all]of self+ U. p+ K, q# G2 n: E; c
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
+ u6 y5 ^3 L+ ?3 Q; q$ L, B
- D% G0 R: K5 d# V, Bset [trade-record-one] of customer item (([who] of self) - 1), V! c5 u4 \, x
[trade-record-all]of customer
# W1 B7 J; t4 c7 j
& `5 U2 a; e1 q: {! o1 bset [trade-record-one-len] of self length [trade-record-one] of self
$ `9 K8 r" A/ U% S& t1 O" c3 H
. p p% g9 ~5 C! \ qset trade-record-current( list (timer) (random money-upper-limit))
P# s3 h: F j$ o6 a, }3 @ w& A9 o) ~: Z1 r% X% S6 n. C) X
ask self [do-trust]
* H5 z- m! F9 T Z& K# H;;先求i对j的信任度
# A7 \7 m2 h6 P7 P, a2 c6 _" g* e' {8 R+ @+ l# j- l8 i+ P
if ([trust-ok] of self)* U _4 E* O! y$ G5 g( [7 V
;;根据i对j的信任度来决定是否与j进行交易[
8 k; d6 l5 j$ S* D$ E* H: Mask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself) B& y* H/ I2 x* @2 }2 Q! t; Z
* x7 P X _ {' P7 E) Q[
4 V- q% W- g2 _
# U7 l8 X0 K4 R: cdo-trade
0 Q. |8 l" b9 Y8 U3 c1 M9 l4 N& m
update-credibility-ijl+ c. E4 n5 ^8 a
* z) n: ^% z7 f* R4 q7 Q4 M9 o4 Dupdate-credibility-list$ u9 r* m' f. q) R) w; C) A
3 f3 J1 X, U5 Y; T ^, Q! K6 A
' B' r* v7 r7 }5 fupdate-global-reputation-list9 u2 N: P" S; _7 e0 f1 D
3 Y3 a, a' h; U! H# Fpoll-class" V8 j4 y! N6 @7 K1 \& J% f
' h0 I; w& B) H5 i% ]get-color4 f0 |) _ T4 m: X
% i# ~$ D! B' T+ C U. F: b
]]. R6 q. t8 V" l
4 ~2 [1 J" B- Z9 v$ E3 f- j
;;如果所得的信任度满足条件,则进行交易. |; S. m ^7 i5 M1 o
; ` y: H# W' N* i+ {[8 r4 w6 Q3 X" g: e# n
) H) b" G+ u" l1 T
rt random 360& n/ s* a, r/ c- O
6 `5 A3 L. q- ~) J" Tfd 1
6 O! o6 ^' u* h' T; j" d. k% \0 W
]
, o$ S; f* r7 P/ r' ^1 Q. R% E( _8 x9 @8 N3 k9 {
end
" u9 P2 d( U' ?' a6 {7 K8 O+ }. d" y( ^0 K
to do-trust
" _" G- t* N1 W1 I- k2 F) P9 s" pset trust-ok False m3 z K7 ^, o' O# V: G
% X$ B! r# {! H% Z, T: r2 J5 a' x7 x" y- y: Z8 A
let max-trade-times 0 S$ E- I$ }+ d- |: t
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]$ |0 k" y5 J, t; q
let max-trade-money 0- c. F5 L" ^ a- i
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
5 B5 `5 G! E% N5 N% ?: P( `, wlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))* `8 u* Q8 I/ | f
2 [# l; _, F$ i4 K* h7 Y' {6 W: J; x2 _6 S; y! h
get-global-proportion
7 w7 t. B7 d; N8 K* f. E% zlet trust-value& ?; Y% {& |) C, D) ^3 P
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)
) n2 I* n: |2 ]; ]. z& Sif(trust-value > trade-trust-value)
0 a' r0 N( c. F" o n& s2 H# v[set trust-ok true]8 t9 T; P6 n( c0 I, a3 k) ]
end T. g' ]7 A0 @ U' i
t% T9 a7 i$ l/ u
to get-global-proportion
5 h1 t( j; o5 f7 \ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
6 ^$ f# \# Y5 k9 B: t* ?9 t4 b" ~[set global-proportion 0]' `! j \/ }/ {" d* `
[let i 0$ t, d( d/ w- V
let sum-money 0
( q4 @/ V; Z3 zwhile[ i < people]# q9 Z* i+ M! L& [% m
[' S/ `3 n4 y2 I+ y* z! W# k
if( length (item i
C: N6 @ ^6 q w+ w! G' _, W[trade-record-all] of customer) > 3 )/ P+ {& C7 ]; ^% t I
[7 \7 [% @, M! w; Q- l7 B
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))$ \% N% j( k8 H( b5 h, j: v
]/ s9 l4 v q E- t6 b& }
]
9 j: j) ]! b% k/ h* M) flet j 0
* x. a. d* S2 i1 Ylet note 0
W4 E* j* \+ M9 lwhile[ j < people]" g+ n" Y6 x+ u9 p2 O, V
[" _8 s1 L3 g; D# e
if( length (item i3 b/ k! w: P; x- ~" i( P
[trade-record-all] of customer) > 3 )
. }4 U6 g. y+ a) f3 l8 f& R0 N[
7 Y* `5 F( V! r, _7 C5 uifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)1 a( a8 W; v- S( Q3 Z j
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]$ }; b; n# e0 E8 m0 j
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
+ s1 z" T$ u9 u]3 X! R4 ]7 J' T( _
]& D ]( r( }- o2 o' r4 ^5 {% m
set global-proportion note6 g/ o& C( Q! T# `3 X. X
]
" L/ |1 f" n- I; l4 m! Bend" h0 O! f8 P9 }
5 I- j( b6 ]. t" v2 O! p% j
to do-trade
" r% W$ ?5 K) j% O$ |- R* \;;这个过程实际上是给双方作出评价的过程
9 P$ {. K7 Z+ i5 I+ p! p {8 n" ^set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价- S9 V: _$ S' R+ o* m/ D* S
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
' s) H" L& o4 h0 L' s6 vset trade-record-current lput(timer) trade-record-current
" W7 w; v% k2 [; r0 D0 i; _, S;;评价时间9 A& B; ~! X7 |6 N7 u' N
ask myself [
) j: f/ U' }8 U" X {9 pupdate-local-reputation
/ V7 e7 j" W4 m8 m6 Q+ ^set trade-record-current lput([local-reputation] of myself) trade-record-current* \# ~% d+ Y+ ]. [' C
]
1 l5 [6 r$ C6 h: j2 q" v3 R! Iset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
# x# r$ y0 [( J# V6 Q;;将此次交易的记录加入到trade-record-one中
* S& D/ q& Z- L& P3 j$ Oset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)/ V' B z% ^9 m9 X
let note (item 2 trade-record-current )) Q: A: l" y! T5 ~
set trade-record-current% d; W Q& w) E$ j& X5 K1 |: X
(replace-item 2 trade-record-current (item 3 trade-record-current))! G: b- }8 x6 s1 T. W/ |. b
set trade-record-current4 ~$ y; @# t: ?4 l8 n
(replace-item 3 trade-record-current note)6 Q. }8 X( h, }
+ M4 g5 h6 l6 C9 u& W, d ^7 N4 g& \
8 e4 Z( X/ S( `* m1 N; |& uask customer [8 R* s7 @4 V5 U" @2 F
update-local-reputation% |4 {. e! H! l$ z
set trade-record-current4 f; Q: ^( h9 Z- L
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
; g7 Y- V) |/ ]- e5 a$ Y]4 y6 R* O) Z7 F) K
& v" S& I$ o! W
. a; E* u5 }0 \/ sset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
2 e3 ^4 T) U7 t q& |: ~. `5 p6 i; Y. h0 {: j# M0 B% Q
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
& z: `$ _( }0 C) ^;;将此次交易的记录加入到customer的trade-record-all中2 M' d8 m E; r: y' S6 y% ?5 Q( k8 o
end/ J X4 @2 m0 j) r1 n6 D8 Z
% W8 c' w/ y% W. dto update-local-reputation6 T3 _0 `1 a' M* U# O
set [trade-record-one-len] of myself length [trade-record-one] of myself
]* g7 h' j: C3 T+ I. k0 L1 W' b
" y. @9 s6 }, I$ F
& B) ?) H9 p: Z2 K: U/ m;;if [trade-record-one-len] of myself > 3
2 h- V% \" w1 \& V6 Bupdate-neighbor-total
5 |$ Y6 Q2 M# v. s6 F;;更新邻居节点的数目,在此进行
+ e5 f5 ~ `+ Q3 a6 d3 i' Flet i 3
$ N' e. e( T! i* ^( F# i% L" Dlet sum-time 0
1 A% Z1 ~6 h0 N6 Kwhile[i < [trade-record-one-len] of myself]
) m% a" H$ f; s: b[
3 V; R F# B* E; Oset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
# |2 w: O5 w2 i0 s, H: {4 m7 cset i5 ]( h e0 ]' _, Q' P
( i + 1)
+ i, l& L9 K; F# Q" C2 N8 |% s]
( l; l. y# A! |- C" f k, ^ V9 ^& Klet j 3
j: ?- i3 ~) P3 \) Clet sum-money 0
. z. Y/ E* I* X/ Q. C$ T/ twhile[j < [trade-record-one-len] of myself]
4 ^" n% P1 Z$ K+ J& B( B v[; o/ n' e% R9 f! p
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)
0 T" x2 U" U% z+ w3 A1 Vset j
m4 b7 B& n+ @% G5 `4 \( j + 1)
3 x1 |- B, ]0 g3 m: Y3 [) v]
* c1 d4 N" `; M$ K0 [9 Xlet k 35 A4 K* E% S6 U4 F
let power 0% l% P$ D) a. @! X: j( M
let local 0; [/ Z/ e4 K0 y/ [) X! q: ^ g& i
while [k <[trade-record-one-len] of myself]! G2 \3 C( b: b/ ^
[) H# y! g- m3 A$ e, @7 x: ~
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) # O! B- r$ R7 ?6 ^& {: W: Z& p5 N
set k (k + 1)
+ x& n" ^2 `4 C& Z: }0 K& x A], V x3 p. W0 [7 S4 K N! J
set [local-reputation] of myself (local)& P, m* @/ w2 d0 b6 p
end
3 Q! g" y1 @3 V4 x0 P9 O" U# s3 f; S+ s, ?4 B5 e9 Q- R
to update-neighbor-total' Q0 H+ c; k x. R* }" u1 T
( _2 [% t- L9 Z- f
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]+ m) W) c! E; L3 O l, ?" I
/ [7 s" `* ]) S
, l- h+ s% t, e; l- G3 r3 k; send
* R. y* T$ `( c+ `) F
" S a5 [" f4 Ato update-credibility-ijl - }8 F7 q! z$ x+ w1 v1 R8 d X
. y; c# \- O/ \* T1 \3 O( \: i;;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。
" q& }( s3 z; _! s- i9 O, Ilet l 0
3 ?+ D7 \& Q* l! Qwhile[ l < people ]
1 [. M; h# q3 `( d0 s- 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3 a3 M! W6 h$ ~ W+ f& O" ~+ f; q- u* a; l
[. k% I2 M+ n! A% b/ l& {
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
5 _+ A& D9 K" d. wif (trade-record-one-j-l-len > 3)8 F9 r/ n% w; z* Q
[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
2 d* C" v# C7 x; I$ C Z( |; [6 i# m0 Glet i 3
! O1 e: D8 B; S# p- i: Plet sum-time 05 e& d( D; y' Z3 x" Y \4 E
while[i < trade-record-one-len]
0 c" L! [0 f) i4 d" U6 }[) i8 e9 P" H; M8 z- a; K6 n
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )* G$ R9 y& o5 O3 N
set i$ e- e; \9 j E
( i + 1). t4 ~1 T2 l( p: S3 {
], f- \; b3 k) a, t8 P4 a
let credibility-i-j-l 0
2 ?2 ?8 b- Z* ^( A8 b$ s;;i评价(j对jl的评价)! V8 K2 s' K7 M( `- V& m" n o+ _
let j 3
) Z R k, l4 z( D2 E* x1 ^1 Ulet k 4" Q4 x1 @& t5 {, Z) X
while[j < trade-record-one-len]$ c6 S0 Z# v$ Q, H. l% l
[
0 D8 t' B1 [5 L8 b5 g0 gwhile [((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
" c* `* m4 ~% v: L9 ~* Eset 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)
; s: u" r6 @" E5 t4 l3 y0 Hset j
$ e: [: [: |7 @$ x" ~( j + 1)
5 D1 c8 g' B; X7 q& N0 U]
" B' s; z/ S6 @4 g9 Cset [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 ))( E4 ~/ I, c5 j
1 I: ~1 Y P" a( |
y+ B& J2 Z1 A
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)): F- C# e& `% K4 B4 s
;;及时更新i对l的评价质量的评价
. \ { C2 Q& B8 I- _set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
& @$ B* \ b. y" kset l (l + 1)) @) l2 B/ l6 L8 X7 |) ~2 }
]
; T+ _9 a1 U6 L# w5 r2 xend
5 K( n Y+ T1 G, ~5 i! W% C. @$ a" K: u) F" U
to update-credibility-list
+ O! }" o% G& p- E9 E1 m# N. Dlet i 07 `/ t% R: ]5 v* \& t' h, h
while[i < people]8 X" c' w# {; Z% Y* U5 g
[* f2 `0 F1 A. n" b( h
let j 0, ?+ L- v2 S' O, [8 |
let note 0
, s' w) a6 x3 M+ x o8 h- mlet k 0
' J; s+ d/ ~2 B;;计作出过评价的邻居节点的数目) t+ K, A0 v& Z7 g. u; b9 ?# J; C# m
while[j < people]
. |, Y) M n; x/ E. J. V+ |[
4 r- G( p# m% o" Wif (item j( [credibility] of turtle (i + 1)) != -1)
* v0 P2 K# g" w;;判断是否给本turtle的评价质量做出过评价的节点* R u: Z' d6 S
[set note (note + item j ([credibility]of turtle (i + 1)))# Z9 M0 }" K% c5 [6 e1 K
;;*(exp (-(people - 2)))/(people - 2))]
: f `$ p, r0 V% Y2 v* b4 U* Yset k (k + 1)! I5 p2 @% a6 o. X0 S" W* l
]
( C6 g& I% c/ B$ O: Z2 Wset j (j + 1)9 A( l( P" p% F& U$ {
]- |- d0 n4 j) m$ F/ S
set note (note *(exp (- (1 / k)))/ k)
" K% ]& k1 i- s* ]set credibility-list (replace-item i credibility-list note)
# f! s- P/ u9 H ]1 X- u) _6 wset i (i + 1)
$ Z" m9 K. I1 Z2 w; R, Q' s]
# I9 H9 l5 S* u- o1 T6 gend# O% B- c$ D$ l8 h s! h& ~: D
1 U1 V# M) A, [' ?to update-global-reputation-list
7 j, P8 c( z, {3 V+ Mlet j 0
+ I2 ?& ]* f' `, B. L! Awhile[j < people]4 t. H4 [2 S3 Q
[
* }+ n9 i2 m, x& U2 Vlet new 00 m% k) m+ N2 K
;;暂存新的一个全局声誉, ?' g1 l* D" f; M) N+ \6 I
let i 0" k% v8 K A9 } T8 e! n; L
let sum-money 0: c( U5 v# l* A' f& c, M1 h$ m+ |
let credibility-money 0
+ [! v: s( u& u5 J2 ?while [i < people]/ p5 n* R5 H @: l# k; Y
[
" \( k' ` H) o& s+ Jset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
. b# [! v/ }2 j: R" X. N; mset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
1 z9 M9 Z8 H3 ]; u3 ~7 v9 G& fset i (i + 1)0 ?# J1 }- k: H! b3 [
]
2 m6 p4 c, b$ Alet k 0
% a6 m7 a+ \; C) i+ u" _let new1 0) d3 D* @# N% G R6 t' \
while [k < people]$ W; ~. q/ X$ Q& e
[% A; S1 o* i4 F2 ]9 R! I
set new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)
+ ?; K8 T7 v/ L( M, t8 sset k (k + 1)2 Z3 ^( \* N+ I
]. T" i( I2 R, _9 ^& O! }2 P
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
# v* H- T+ p0 K5 z, A$ aset global-reputation-list (replace-item j global-reputation-list new)$ M# J0 |* E6 a& j& J# } f+ `0 X
set j (j + 1)9 V' `- S$ C. e- m" a$ \
] o. T* [ d: n5 t* q# l, K; [
end7 x6 \2 p) m. G* K0 X1 k
2 y' s ?5 V+ @- `: h8 S
: p5 p8 D! H% m) R" v8 q5 ?! k: X
+ I* C/ `* ?1 ?( F5 kto get-color
$ i1 Q, W1 z- Q7 r0 m; r# V' j( T$ G }/ P
set color blue# d0 ~2 ]3 W6 h: {% q/ C! f
end s3 ]: ?) \3 _. }* Y4 G
; W: _6 w* }% G) Z& o
to poll-class
5 r3 f. P- z t' D* jend1 ?5 m4 N# c+ W2 M
I% e K" o6 Y( mto setup-plot1 J3 h! |' H s# E: v. u. ?, Q9 V
" `. l+ T; p/ o4 V* V& ?/ C
set-current-plot "Trends-of-Local-reputation"7 o' ?% l o3 y! @/ N/ R
: M( Q, n c- J j2 t3 \) B
set-plot-x-range 0 xmax6 d1 `/ b- k) d8 P* O1 Z
2 e0 f5 p; c; U4 yset-plot-y-range 0.0 ymax
. l& A0 q) l; Y/ Gend
) c* o" U9 o9 X# N9 L5 n
( ]. [5 Y( q8 h% Q2 v) K0 kto setup-plot2( b( B- H8 c8 N) t y4 s* i
3 ~/ ~" t' m2 @set-current-plot "Trends-of-global-reputation"
% K/ Z5 |2 l" ]% X4 Z: b1 ^) P, V; {: m4 J
set-plot-x-range 0 xmax! R7 c/ a) w" f! I
& _8 n: V- Z' M7 f$ [' mset-plot-y-range 0.0 ymax
u) [) R) w& }1 y5 B; b' K) ~end
, W, k& z5 h( j% X3 `. R2 @0 C, F& R6 G1 Z& k! x# U/ W" H
to setup-plot3; l" n/ y8 G5 u& ^& U
+ G" d8 Q- ^, r$ m- r3 l' C
set-current-plot "Trends-of-credibility"
# N" O! r; j, O8 O" M0 B" g2 h$ r6 ]0 |0 d C
set-plot-x-range 0 xmax
4 V5 b6 q# B/ x; M+ ]* f, F! |1 K7 u$ ~
set-plot-y-range 0.0 ymax6 u, r! q/ L/ _3 u
end
/ e: x5 i8 x2 u4 K: Z/ v2 y# k. w+ S" d
to do-plots
/ C- D/ Y, n6 _! {: n; ~( ?& iset-current-plot "Trends-of-Local-reputation"2 f$ O% W# d4 F
set-current-plot-pen "Honest service"$ G( m3 m3 `* T l
end: r2 _7 Y7 f, K* k% X# x& \ c
" u& J" x; S% z. i% c- J[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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