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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 k; l, e/ I( u# p* {globals[
$ ~$ \1 r1 V3 Zxmax" q+ w' E8 j" ?4 Y$ z( w8 ?! Q' w
ymax( B9 r' d B3 E. O& J6 C! Q! B
global-reputation-list7 d9 n1 Q2 \( H! D7 I! t
" S- F( C- w& ^;;每一个turtle的全局声誉都存在此LIST中) E) L9 `- C! P! r
credibility-list
; a8 n `! v# Z8 a% Z;;每一个turtle的评价可信度1 H `% i J+ `! V h" T% b
honest-service
9 \1 O$ T( I' V4 ?! Runhonest-service+ L/ w- y! ~" L( h7 B: B9 J
oscillation8 W5 i; W0 [+ u1 O) F" D4 P
rand-dynamic* K8 W. i5 ~, p5 ^# p. J
]* D. J: c. ^4 Y* J
* z1 ~, y6 I9 |0 r$ N7 x
turtles-own[
* [3 F& d* ?' ~7 d8 u1 G! p+ otrade-record-all- h. ?+ z0 s, t r5 E
;;a list of lists,由trade-record-one组成
$ @% b# a& R, @* V) K4 T% d' strade-record-one" c1 d; v1 v1 h4 {4 D
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录4 Z( Y' V9 {# ]4 `( ^& M" d% Z$ V2 K
0 k* G) K% L# \1 @' e6 {) X
;;[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 D* |+ U' a8 Z3 }, o& l* ztrade-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]
# t8 M4 g* Q2 v5 M9 m @& @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# f: G: G8 a( U! z
neighbor-total0 R5 b2 g. G5 }' o
;;记录该turtle的邻居节点的数目
R' {3 X9 {. ^, O2 _. N) Z9 Gtrade-time# C, x; T2 w! Q
;;当前发生交易的turtle的交易时间
) F. ^' [* o+ \- ~: A! pappraise-give
/ P2 i' C, x7 H- \;;当前发生交易时给出的评价
" }# Q2 _9 Q$ w# p3 A$ Rappraise-receive
+ x, D$ K" P. J2 W4 e/ y# w# D) b;;当前发生交易时收到的评价3 b) I- I; y! g2 D- }3 ~, m* M) Y3 G
appraise-time
2 f! d! M+ \- W0 A, n;;当前发生交易时的评价时间
; G! y5 u1 L# ~local-reputation-now;;此次交易后相对于对方turtle的局部声誉+ M9 u6 _* e; T( c6 {) C
trade-times-total
& s" s# K3 y$ q- e1 M) } F;;与当前turtle的交易总次数
6 t7 @$ e9 ?( I9 |: r+ ktrade-money-total
1 r+ s( h3 ~4 J. y4 W& ?;;与当前turtle的交易总金额, v" K1 F i9 V/ O) D
local-reputation2 a, y: t- z1 ^
global-reputation
# g* E9 z) z% }7 Tcredibility% Q4 \4 [1 H7 Y) P
;;评价可信度,每次交易后都需要更新( V3 m$ M1 t S% E
credibility-all; m% O# N- q( Z G" D- _
;;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 v% g( r! m2 r
5 R, J! c; v g% f+ 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0.53 b& V: Z1 Z0 H* {. i
credibility-one3 m& P3 I s4 H# I. t- m8 d+ ~: z4 `) R
;;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+ z9 u5 E, B8 m$ C0 a
global-proportion
O9 |% X8 s$ N( s# wcustomer
7 d! N0 b; j/ S8 }# rcustomer-no9 S, s* h9 Q% j( l# {" v6 D
trust-ok* w6 C; m9 k6 h8 e+ I( ^
trade-record-one-len;;trade-record-one的长度
2 h) C' O$ u! e]
& Q O7 L- I3 _9 k/ x- Q) }* M0 o# g6 h3 ^. s0 \1 A
;;setup procedure
2 F" N% k1 S W& @
( z' g8 H3 S& b- Sto setup
7 n, m) R/ c+ j% D5 S
5 @" Z) k- X2 V8 A/ aca
) v0 s% s/ {6 x' z
7 {. r0 }) x3 M' ~initialize-settings: S' k* Y8 N6 d, c; i
" T+ U+ q7 z" I1 u3 L% ^+ |crt people [setup-turtles]
# E V: N; s& [0 v/ ^: f. b' ~/ L. P0 A
reset-timer
$ S8 F* T# T0 F- F7 i1 i" f& J
6 K- s2 i- w2 g$ ]* I/ U- ppoll-class) ]# `' {, P9 \
% @( Y( k5 U2 E. I# v# t! j
setup-plots
2 Q& q [3 A h$ U( Q5 ]8 g* Y* n/ R9 q. P! e
do-plots
, }& P C% j& }2 Q1 C1 w' gend
6 d; p W" }, R8 T5 s' M. B3 g w
, v- l/ t/ n1 p0 I& Gto initialize-settings$ _1 x4 @6 D; t
5 q" s, a% t; ]3 }* p: r0 |2 Jset global-reputation-list []' b1 G+ o! ^4 O4 c! J7 _
& s- ^4 Y T$ _set credibility-list n-values people [0.5]$ P7 _1 G: N' P
8 ?* n0 X% Q# Jset honest-service 0
4 T3 m8 S7 q2 r8 ~3 o4 M. Q2 S/ {
8 a! r1 m) y% ^# P7 Kset unhonest-service 0
4 [2 _8 w0 E% m2 l0 G
0 J" _5 T* n0 g3 ]4 ^set oscillation 02 T, {" z3 t' Z9 ]- S2 q0 Q: }+ E
! j+ H8 S: [. D: q, V2 L7 y2 N
set rand-dynamic 0
) M0 g" e/ H' s: C5 eend
B% w" q* y2 C1 |* P4 ^
5 P. }% u* D$ F% s3 [to setup-turtles
& }' g/ M+ L% cset shape "person"
' w" Q( ]* [- _- [* Jsetxy random-xcor random-ycor+ r7 n) e# W! P7 H# a! R
set trade-record-one []0 d( n) A- T# e' u
1 [7 G8 x5 Q+ R" k0 W1 q7 hset trade-record-all n-values people [(list (? + 1) 0 0)]
; f1 h0 y7 U6 @# C8 Q, @0 V
- [! Z4 A# V% z& ~' k& sset trade-record-current []
2 `- O& K( f, y. Z% f0 qset credibility-receive []
2 U! G3 r8 {4 o) t# R& tset local-reputation 0.5; Q) @. n4 R( ]
set neighbor-total 0
6 a8 u( `5 L4 `1 q, o Cset trade-times-total 0
/ t5 P) @( r3 y1 [2 j: P1 z, c3 oset trade-money-total 0
9 C) P8 w* _* u1 N0 Sset customer nobody
$ e- ~9 i/ s N$ aset credibility-all n-values people [creat-credibility]
3 y8 ^# a( e. x" ~; _ X1 cset credibility n-values people [-1]
4 S- o. u- E9 p _# K u7 S+ @get-color+ t1 F2 p8 M. `1 s# G5 s% g6 M
9 h" v' d) H; t( h, F, Cend
- G( k3 Q! P* ^5 Q
& w0 p, t8 W: V: W) n. rto-report creat-credibility) {0 K4 L0 m0 h7 F( d5 v* x
report n-values people [0.5]
8 M# I8 G5 v3 P- F4 ^end; Z. m2 Y- i+ C$ I7 Q" t7 {
% B) N) A; B0 I# j9 uto setup-plots
5 c7 j% E7 A, Z0 r3 Q* H2 f: h. o0 T- a1 p
set xmax 306 @6 \6 E, R R, f h9 s
& W- O$ ^3 Q4 z
set ymax 1.0' G7 D2 G% d+ P8 K' G/ a* g
/ L1 \! Q$ j1 R) M7 y7 T$ \
clear-all-plots1 I, ~# @) h% j; d e- F$ P
, Y5 B; }: ]! ^3 ~/ e. ]setup-plot1
. C) c+ d' e c$ R: M! ~
& e8 ]# o! x; r7 m. M1 osetup-plot2
' I7 p, e& }, O P3 K$ u; ?9 s: r: t1 t- W. a3 G7 L8 u
setup-plot3
5 g$ a! P" ?" Qend3 Q, f; o2 b- b; M' U* ?$ H" G
) @* }# k) ?7 ~. A# K
;;run time procedures* |8 ?/ Y: |$ `) P! R; W
9 S# L: E7 V* x* k _to go5 R w' r2 Q& b( z3 ^/ X9 z
1 V* L8 d1 M! G0 j) _
ask turtles [do-business]& H2 a# s3 a/ c$ Y) y
end
g/ Y8 f/ G8 T: ^: m
M0 ~; V7 }3 P$ @5 Dto do-business $ u2 d5 h1 m/ ]4 F7 d7 G* b) f4 D
7 [) x( L$ ~6 v. u x' _* N, b: S
rt random 3604 \- n# P) s% }) F* ` P( ?
9 d1 Z9 m% z) `) P, yfd 1
- Y* t, S3 s) [) h+ D$ A9 b8 j3 ~' X4 }4 S! g
ifelse(other turtles-here != nobody)[3 z& G8 w; p# L, I& K
. c! o) u3 `; a6 x) R+ K+ {
set customer one-of other turtles-here# Z5 I A8 a* C* b; H6 N* m/ i
' @( i# B* G w6 o5 a* k;; set [customer] of customer myself1 X$ {- T N# X% X K0 ^
9 }( @* X6 \& h+ v5 V
set [trade-record-one] of self item (([who] of customer) - 1)
4 o' [$ a6 D2 n$ u. [[trade-record-all]of self3 [4 K& u4 Z0 Y/ h5 V3 t0 j B
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self1 V$ J: w# _0 j5 ~2 k( {- I6 R
; u- k0 ]* ^# ]7 s5 b! x( x7 `
set [trade-record-one] of customer item (([who] of self) - 1)! o" x5 u+ g; Z% ]3 D6 {3 P7 K
[trade-record-all]of customer7 i! e9 m/ k/ x V5 k" l
: q! S2 {3 K& c: C) T8 K
set [trade-record-one-len] of self length [trade-record-one] of self
/ ? H: q# S3 y; k4 F! ^/ \7 M# Z3 b" Q5 E$ I* J* r
set trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]" v- |1 n9 L5 Z5 P6 n8 f3 c9 e3 u
;;先求i对j的信任度
/ Y$ o1 ?/ U# y5 f3 O5 f( @8 E) R3 }, {) E4 `$ Q; b& e
if ([trust-ok] of self)
, ]. a9 V9 n* f, q9 A1 N' b;;根据i对j的信任度来决定是否与j进行交易[
& s" L. H0 r# G* q- Cask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
. V! P$ U8 d; z% q
; N" s! `1 N1 i/ a2 R# V, p8 Z! I[
$ |0 @9 X* o0 |- [' R, e' k4 C& D: j/ T+ i$ y
do-trade$ i9 o7 [- S! h) h5 F g: l* C
3 A" Z" g! v- o4 l3 v: v' G9 g; E. e! a* \
update-credibility-ijl1 c, a6 e5 M/ y. W/ w( ~; B; R6 J
; R$ I2 G/ ]: P+ k- P3 O/ iupdate-credibility-list" J' v+ N2 L& c+ ]% H
9 i( `6 [% y! H3 ?/ n" I+ {0 V0 f
' X& l5 q, n; wupdate-global-reputation-list) J8 V- I) W# Y) o7 {
! v, f2 t, P: [poll-class
, ~. ~3 [5 b$ R% c/ R" q. L$ N0 {8 r0 p- P, }
get-color6 A% u6 F; y* H
( m' {! R6 }* ^. [3 g' u
]]
% H- c4 E }+ ]! \ f" i. s3 w
;;如果所得的信任度满足条件,则进行交易9 D: }0 ^( D X* t
" H2 g% W V* Y3 A* i% g. g3 L/ V
[
- D2 `6 K8 d, O/ \7 G3 j6 t! ~3 |9 m2 j: p, H$ ?& |
rt random 360
9 l$ G! s9 r4 B# R; h. Y0 v' ]
6 M& K5 ^- m9 Ifd 1
/ D$ ]3 p& b1 D3 Y/ ?8 t
; R( g9 E! N/ ?" l, A! M9 a]. \/ ] i: }! F+ m
1 x- X# {' S4 l7 U$ k- W! nend/ F" I" [ C! J1 q
$ ] ?0 T( Z6 }+ J8 H1 D% s" }
to do-trust
5 K0 f( b) s+ Q& zset trust-ok False2 o7 K+ E( |: U* w& C% c& s
1 @2 `( B. s1 i, A ^& f
: s+ g0 _0 Z5 P6 `; Clet max-trade-times 0* Z4 B2 i, L" {* d
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
5 }' c) h [ ?( e+ zlet max-trade-money 0
* h- t8 r' ?/ I7 `, s' Rforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]4 R7 ^" _# |5 q) |
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))# @+ u6 q0 s% V k
6 E" L G( ^& U. Q- C8 w
( c' J0 d4 s" hget-global-proportion
2 Y2 C% ` T- B d* j5 plet trust-value/ O! Y7 w6 {/ H9 W# ^2 u+ |" ?
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)
) N5 f$ E4 {% U0 u, p2 Yif(trust-value > trade-trust-value)
$ ` }1 m4 {8 b3 f4 `2 a[set trust-ok true]% Y/ x v/ I. W- ?2 D
end: F7 g! A& i5 M# E
* s) r* z- m/ h9 O& X2 Rto get-global-proportion/ k# m8 l' A j
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: q8 v" x9 U3 a[set global-proportion 0]
& z% U( m+ P1 Z; B( }[let i 0
/ m [% U. m# {) ^7 Y8 P. Zlet sum-money 0
+ }" u) B* B! [ D; M- Rwhile[ i < people]
: S% d4 @5 [. k% t+ y& |0 \7 V+ q[ ^5 |/ B4 u+ A2 r) {: B. W O
if( length (item i$ n, H1 B7 x; m* n- d0 C1 ~
[trade-record-all] of customer) > 3 )
8 b- S( E- x, F; D5 I[' Y2 h6 N' J0 L+ M
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
: L% X5 t, t: ]2 A% | L]
+ v$ u3 `: W' P* c5 t]
1 K8 x* a4 }" y& E3 |! llet j 0: C1 N2 ^, d- J$ n' v) S+ W4 J; V
let note 0. f6 ~, J6 H( |4 [5 y
while[ j < people]6 C3 {7 L! a5 Y) I; o
[
+ ]" g) r5 f+ iif( length (item i( Z5 _- L V! c, X
[trade-record-all] of customer) > 3 )
$ B7 n3 l7 S7 E, p[4 I7 f' M$ `+ v
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)+ M& E. r( B8 B1 f2 b6 F
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]9 N& d# k, G) ~
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]& c! b) ^& q c) m6 X1 y/ A: Z7 O, C
]
5 Q* R7 T/ i8 Y7 F* S3 @]+ s/ U2 O5 @0 Y% \
set global-proportion note
3 B6 y! g8 F8 d2 h0 V) ~]
h+ h& Z7 u+ d3 @& i. a, xend$ E |% R6 M1 m& r/ T5 b5 h4 y
. x' i+ e0 Y9 o& [
to do-trade
% F7 q6 s. q! E2 G9 O# a;;这个过程实际上是给双方作出评价的过程3 Q# Q, R1 y+ `! n) ]! A7 a
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价 S9 R" G$ H5 j H
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价- ?9 j, E# [5 P$ h+ n% T$ K- D4 v7 t
set trade-record-current lput(timer) trade-record-current: V8 n. g# k) p8 z/ w" }
;;评价时间
6 l1 F- N6 ~. F( v$ E. Fask myself [
z, }3 C2 ?, s( I7 _3 m( Iupdate-local-reputation
8 ^" w- f# V% nset trade-record-current lput([local-reputation] of myself) trade-record-current
2 L: F, _7 Z! J]
4 s6 q4 o; g6 A5 h" Fset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
1 f. U6 \# s( X5 E' u7 U;;将此次交易的记录加入到trade-record-one中
1 c3 O8 \$ [7 N$ Wset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)0 a C. }# Q) H7 a- R# F8 B
let note (item 2 trade-record-current )2 j: z# |* Y0 ^
set trade-record-current
9 \1 }8 _+ @8 k) T, L(replace-item 2 trade-record-current (item 3 trade-record-current))
' f8 c8 d3 T t6 [% _set trade-record-current
5 F3 q8 a/ L* \(replace-item 3 trade-record-current note)
3 ` N$ h" z8 A* N$ S- |4 L
5 O5 K% F& _% A, e3 D7 X
6 P) o7 j3 B# R- d5 X) m& C; fask customer [9 r) t9 c3 e0 P R6 M2 M
update-local-reputation
6 ^- h; z+ ]6 E% dset trade-record-current4 q& W7 v( P7 l# r
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) & Z/ T% q8 e' X% \$ g* u! ~
]8 ~7 X+ F+ l0 ]1 `
% _ ?! k% J5 E+ U0 Z
) n* e$ @/ n0 a! b; nset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
2 D3 Y* X" ~2 [( q9 e1 i0 B/ e3 ~ V' K0 S2 o7 ]5 z
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))/ G# \" q& Y2 s9 j- L e
;;将此次交易的记录加入到customer的trade-record-all中+ V) `' E/ W' C# W+ i
end/ e7 u" A Q, ^- S9 z- u
4 j; E; j& F+ B7 Z7 C* fto update-local-reputation" M8 O; M- T+ u1 J! ]# t3 z
set [trade-record-one-len] of myself length [trade-record-one] of myself
1 u( M$ e( _7 A- g& x0 N% w
* }: C1 S6 z& G" _* Y/ ~) r" a* E* U% U3 u1 v+ x
;;if [trade-record-one-len] of myself > 3 3 S+ A: r2 v( d& n- n
update-neighbor-total) d+ H l& W8 w. [# p* o: _
;;更新邻居节点的数目,在此进行
$ n$ f O6 j# z. F+ I/ O; S7 {let i 3! a3 O0 k8 T3 q" o2 D' p X* A
let sum-time 0
6 f, e4 T) z; s5 H5 C+ q: jwhile[i < [trade-record-one-len] of myself]7 [9 |" D0 b: w& [, {
[6 G; N, V. f! r/ S9 y
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )9 o. T* y* V& p/ d, [. @
set i) s3 O% O2 P9 _
( i + 1)5 Y* n8 ^ p5 {/ [
]/ b4 n2 ^" n, Z# o
let j 3
2 K. M2 c$ f/ n, K/ v# d _let sum-money 0) O8 F0 I4 x" ^" ?
while[j < [trade-record-one-len] of myself]
3 Z6 W3 W M& B. j$ o[4 P! w; l( c) k7 `
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)
) h( Q) R6 |4 M$ C# q$ W; rset j9 l* f! A3 t0 N5 z! N7 Z
( j + 1)) ?* {% V$ u6 {7 Q
]8 } _# `- H( L( R
let k 3
7 @. B/ j G/ t6 a0 ~; w+ p0 ]let power 0
' q6 r1 L( @3 W' P4 v; rlet local 0
4 B( E5 q% O6 d b0 X5 B! Twhile [k <[trade-record-one-len] of myself]4 b/ A" \- }- ]+ J
[
: U1 P6 n5 y7 U8 L8 t; L8 p2 }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) & r1 I' F5 C, [3 |/ R# q
set k (k + 1)
4 D1 ]7 A$ k7 G/ b( k+ s+ I% a]
" |5 I; S& E; tset [local-reputation] of myself (local) i1 ~ f4 e1 B" j* N- k/ k) z
end8 J. Q1 n K3 F0 H
" w4 y+ f. w: mto update-neighbor-total {$ t/ W0 v( Y$ P
7 q: {- R% _5 u" }4 j/ Sif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
y3 B- f. N+ y W" J4 G- W7 [' u
; [* \; |+ R0 ` t
end
- @/ ?6 }2 Z7 M( V3 _0 D" Q
" s# D$ O1 S* M: i) Q3 d. |' yto update-credibility-ijl ) y' y- }- p' A
1 N; w0 H. u6 s( 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。2 t9 m; M5 ?: S. Z- l
let l 06 U9 s: m: F7 E5 y* A8 p
while[ l < people ]$ H i- K* k" v" h3 C8 D
;;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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer) }: [( `5 O9 g* x) G
if (trade-record-one-j-l-len > 3)
d, v# ]9 s4 |: G[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) Z& \7 t! l' Z; Q
let i 34 T1 M+ M3 o3 m: X9 }
let sum-time 0
; A0 r: ^0 S$ `$ @while[i < trade-record-one-len]8 M8 k8 I7 r3 c9 r
[
. W8 f9 I1 h8 Z( j2 eset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )) e8 X; e" I3 q/ p
set i1 ]3 C) @6 U; P; U
( i + 1)1 F, U1 X2 u* k% G3 [8 y2 _
]
5 {& @7 l8 [# \% |0 wlet credibility-i-j-l 06 ~% K5 e3 ^( q' `, o* \
;;i评价(j对jl的评价)! ~$ `3 \/ Z* C6 n+ g5 y4 G) B6 s* @
let j 3
% j9 E% G( Z4 o0 ~6 y- G2 Q0 [, hlet k 4: D2 `5 S# y& L5 }8 B; a; E
while[j < trade-record-one-len]( e9 \, n% e4 }2 k$ R' O, ^
[
( ?% l o3 V6 ] v( pwhile [((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8 P9 ?3 m& k4 a; o
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)
# t' k! O+ K& e9 [1 J+ d4 Oset j
# |, T6 T( M% @! @- A3 L# I( j + 1)
7 w7 o3 X$ K2 {& V2 n- E5 L# N. t]
- w5 |0 o! M0 F2 @8 w0 mset [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 ))
# A- w7 q( u/ V, F3 o
" x" T8 ]7 }$ c* L, l q' ]& }6 C" ~; B( Y4 r4 M" p) j3 i, l7 {
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))" A' Q# d% |/ N+ N/ G+ F
;;及时更新i对l的评价质量的评价
& T9 ] v `0 w# x+ x% ~1 hset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]+ f$ e4 S8 \9 \7 ^6 M4 m
set l (l + 1)
) z* @! _5 @8 X: C0 k]
4 f4 T% W' F3 V9 B; f( c4 F( Gend
, E0 v9 t# i# o: e5 r* s: h2 o5 R* W4 {! R' m6 I
to update-credibility-list$ m9 }! n% k2 s
let i 0' q- g& T2 _, x2 E
while[i < people]
7 `" ^% l1 o; p; N* U3 ], [$ }) e[/ K; M# x, W! d
let j 0/ h# Z& v! T8 s y) C
let note 05 Z$ Y1 ~! C1 p9 v% n6 {9 h: D. `
let k 0
, A) Q) S. Q% h6 z/ R/ V;;计作出过评价的邻居节点的数目
% m; G- Y4 c) m, G- `9 E" r$ d* gwhile[j < people]+ C* H5 s1 E' `$ u7 A
[+ ^* S8 [! f/ k' A3 x! V
if (item j( [credibility] of turtle (i + 1)) != -1)
" b' q* a6 f. x0 u$ Y1 y) O;;判断是否给本turtle的评价质量做出过评价的节点' l. y6 S4 p# K4 V, Z
[set note (note + item j ([credibility]of turtle (i + 1)))
/ z# N8 A6 v6 }2 u& T% Y;;*(exp (-(people - 2)))/(people - 2))]2 o% j; h. w0 Z% M$ F# ~4 Q0 _
set k (k + 1). V5 u2 T- ]+ {% N. @
]9 A+ g1 b( F; b7 m* A+ R. [
set j (j + 1)
$ E: r' L d3 S]
% S9 T0 t3 Q9 ]& n' dset note (note *(exp (- (1 / k)))/ k): Q- }( M0 G" N: N8 b% A2 ~
set credibility-list (replace-item i credibility-list note)
# I6 c2 R' i: u( kset i (i + 1) V' C7 y( |( C$ Q5 [( C% Y2 y
]
3 F' X/ D3 g+ r% ^end
3 _: N3 D2 X" X7 m
; y# X# i% _" L0 _! V. o- ito update-global-reputation-list
) ]% S. n( D6 K* c/ M! Wlet j 0
$ r4 e2 w2 u" }) v9 v* G' Z4 d$ uwhile[j < people]
; }. y! ~1 K2 t" o1 h1 A[" Q7 F h( D% s- g% X- G
let new 07 V3 J( s2 _9 S2 v" b7 {% @
;;暂存新的一个全局声誉
0 d3 j7 z/ m. Y' m8 P- A/ vlet i 0
c. X- F2 X8 r( ~let sum-money 03 X' p3 \, N! I3 J/ F
let credibility-money 0
G* ~' M9 u" kwhile [i < people]" W) I4 ?5 o& `! Y/ P; ~6 |2 e& l
[- w8 F* f- W2 ^( C
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
/ d6 G2 v" ^4 M/ E1 ?9 vset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
- j+ z5 k7 ]6 E7 M7 Iset i (i + 1)
) ~9 N6 b2 ]% b; D2 W, `/ C2 y8 V/ U+ Q]
; r l1 ~/ }: Vlet k 0& v: v' I, u; {1 P) V0 _
let new1 0
5 b' d3 S/ \8 \( R# K7 m' D. D. Pwhile [k < people]8 W" N$ q! Z8 d' L1 ?+ D1 ?
[
7 D! }" J% {: N( C/ y3 A* wset 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)4 c8 G3 G% s: [ K4 V( n
set k (k + 1): U6 m* y h& `8 F/ p! f
]
1 W5 q- e+ e+ E) m5 Bset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ' L+ F8 q: r5 U9 B6 b( O' S
set global-reputation-list (replace-item j global-reputation-list new)
9 W. n" x' P6 }& @2 Yset j (j + 1)
8 e; k! H! h6 [+ X]' B0 h5 g- ?: ]; I9 S% c
end3 n) x# W C' i; v, l; w- P/ P5 V" ~6 Q2 Y( I
* ?1 u* U% j+ X f! K
% u* p' G: Y: t+ k6 G+ b
9 |* W0 S' O. i; v9 r( R+ z
to get-color. e* J5 \, {1 w; ^0 ] E& ~6 W
) v: j4 y9 }# s* d0 q8 @set color blue
1 ^" `# [% I1 mend$ h( ]- x. b8 M$ a' {5 j
% n( x9 `, L* ?: H# ^; ?( m. `to poll-class
( }3 O- [6 O) r4 F9 {end0 T2 h# A Z# S* v4 j
0 c5 U' o2 ?6 o; I* k3 @9 X
to setup-plot19 H f* ~9 Z; [/ W, X, S( g
1 L6 E8 \: D- q9 Wset-current-plot "Trends-of-Local-reputation"( j2 Y x5 }% p" R- R2 `5 M" Z
, Z7 g# H. g& F% b3 p. ^3 G
set-plot-x-range 0 xmax9 l7 Z- y! w# L, q! ]
( U) [" d' R6 b# _set-plot-y-range 0.0 ymax
6 j8 m% e1 |3 q5 p3 h% yend
8 X8 L W: Z4 [- S1 D5 L* b/ ]" ^8 l4 i0 h1 w6 l
to setup-plot2* o' W. n7 E9 }0 p- i3 w
- u6 H2 }+ l! \4 O: {7 A; S" U/ g
set-current-plot "Trends-of-global-reputation"
& d5 A5 Q0 Y" `3 J6 `! J
& `+ H# d" N) Oset-plot-x-range 0 xmax
+ t5 ]* ?# ]! I F, D5 b5 E; F4 Y$ {& r. e# ~
set-plot-y-range 0.0 ymax; E0 k4 x- g6 R: J5 B- c7 T
end1 G" C6 f* ? E! {3 H
$ ?7 H ~% d+ ^1 F0 \; Q
to setup-plot38 t! s- o% l3 a
/ H6 ~3 U# U k& D- l. nset-current-plot "Trends-of-credibility"/ ~9 Q3 Y$ X3 h1 {
+ o6 n% |( m6 y: E; Q
set-plot-x-range 0 xmax
! F" Z7 H1 G; D* |" W% n; V, ~" J& ]) O! I+ q# U
set-plot-y-range 0.0 ymax
" ]$ h) ]/ U0 Z% ^0 G( _: b+ vend" N0 i$ V# k7 l, E! n' K
& L3 }+ z/ h) g6 |8 C& Tto do-plots6 T0 p3 ^; l& P/ u. @( k% y
set-current-plot "Trends-of-Local-reputation"
r+ S1 R1 d+ u* oset-current-plot-pen "Honest service". F+ R* C7 S* M, F3 e* ?# W
end
9 Y+ ]8 ~5 H; e3 U! @- [
+ @% k4 a* b! ]7 Z3 ^! t+ t[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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