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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4 J; d* ~6 K+ Y& Q
globals[
. x8 L# g4 B8 B( }$ S7 P* P: Wxmax& Y4 V3 d, P3 ~- T: k* h
ymax
$ j8 G$ V" l) s0 M8 f Tglobal-reputation-list/ F( ], Q# ]/ B& w9 l
4 E. K& [; W6 L) Q" \) }4 X5 U3 U6 e;;每一个turtle的全局声誉都存在此LIST中
1 d$ s& U- Z2 x. n0 u* Ucredibility-list
4 r+ J/ w1 z3 i+ B% z;;每一个turtle的评价可信度
, o% E$ a1 l: G0 e8 U, q" ghonest-service& U; {1 K9 D# t/ x
unhonest-service
/ u' x/ Y( @( E- woscillation6 R7 m$ E7 x/ O! k
rand-dynamic
3 }4 r, [4 v/ a6 g5 y]
( @5 T+ m! Y: P9 f
3 t7 }3 }9 @5 v. sturtles-own[6 b# x+ \- Y+ d$ p# o3 D3 S1 ?
trade-record-all. l' {% v5 R }# f, {( S
;;a list of lists,由trade-record-one组成( m# G0 e- g+ k% x+ p3 L u6 k5 \
trade-record-one* K1 m; D$ l, ?
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
: E P- Z! a$ T$ I# H2 n1 b4 U; Y+ X$ |" ]+ z' |
;;[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]]
, w' m, x5 f c0 x, Xtrade-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]* u0 a2 D8 |- E
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
+ K2 i; q( y+ }* Mneighbor-total0 B F3 |: {( n4 G
;;记录该turtle的邻居节点的数目
! w% o; Q( Z5 ^: T+ Qtrade-time
- ^5 }- l1 V4 Q8 R7 y;;当前发生交易的turtle的交易时间3 ~* P: Q+ ]: x8 h
appraise-give
6 ?, P$ u$ K" y( P# T0 m;;当前发生交易时给出的评价5 t! d, F4 Q2 R
appraise-receive$ g$ L5 U. c/ K. `- Q9 Y6 ^% i
;;当前发生交易时收到的评价
9 v: M/ e; U+ F# o7 j5 z1 ~appraise-time
1 l* j% U. I' Q+ v/ x5 {;;当前发生交易时的评价时间( H9 t. n0 d* t1 V
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
, B) X* d0 ^: k, d: Strade-times-total
$ ?# D3 M9 z$ t. N;;与当前turtle的交易总次数9 I1 F. c9 P& H# w# n
trade-money-total
( ? x" y0 p8 l% p7 w- N# ]9 l! p;;与当前turtle的交易总金额
/ ]* D' ^9 M0 W& n* olocal-reputation' Z: f! N1 d, U2 w- F2 }
global-reputation1 N: X Z; j* X. r5 Q5 v
credibility
" g/ ~9 q1 ~$ \;;评价可信度,每次交易后都需要更新
- W& Y6 Y+ z+ j) N/ u3 ^+ qcredibility-all& q& ?6 s% j8 f* ]# z
;;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
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0 P, B( P4 l7 O' T/ ~ k3 X+ ]! u;;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0.52 x6 G9 [, ~# f ]
credibility-one" Z9 O; X- O+ A4 a# D
;;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
" ]5 H" }" l7 T9 }4 X! _; nglobal-proportion: U9 R9 N# S9 L; \& W. X. h
customer
4 a# p1 @. l0 Kcustomer-no& C, w! {6 W5 f$ H9 f% F+ O
trust-ok
4 U5 J7 _6 _( G& `, jtrade-record-one-len;;trade-record-one的长度1 e& i6 D! M7 w$ ?6 w8 y
]
( n M. K0 M" {3 F. Z% w* ]& x2 `& H
;;setup procedure
1 u0 l P4 ^! r( E5 s! A+ z' k! C* k$ T u
to setup. {5 q0 Y [# X* U
# j6 F: K U; q5 v* [$ p1 k
ca
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/ { x8 A$ o6 k; B" B: @ i6 Rinitialize-settings
2 P9 O9 s/ U0 B# i2 x4 f3 T9 ~0 Q& G$ W y/ d7 N; S3 m2 `
crt people [setup-turtles]' I/ Z, @6 }* ]3 q+ b7 } s
% L! W( x9 u9 `
reset-timer
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poll-class
! G$ M2 {4 l: Q9 v; c' V$ [2 {
+ \$ v! |6 o4 L$ q" j4 o, Lsetup-plots
! p# b1 r9 u, q* y. b" [
1 Q% E* N/ f$ d6 h! b; Q# m/ Rdo-plots% q0 k2 a- O* y" B5 d0 i. ?
end7 t' l; S3 R0 [, `2 X* `
) f$ G" D2 c+ s$ kto initialize-settings; F: a$ ]' ?( b, X/ w1 E6 f
' z$ ?* S: [0 B: R7 g. f3 n& G# tset global-reputation-list [], E* {; \$ P) ]
, b% R1 }; i' J! F5 F5 ^) m* ? k
set credibility-list n-values people [0.5]$ L; H n" l p4 K9 ^
, q6 Y, b) r% N' K) Z0 Z( iset honest-service 08 H+ w8 `/ Y. y# o2 K7 d
1 [ i1 ]: ?8 L! f+ F4 f& `2 tset unhonest-service 0# X8 J0 Z7 M/ [0 r- J
1 R9 c4 [9 C- s0 Hset oscillation 0" |% I4 o+ I4 \- v' }- U, K1 j! e
6 G/ [2 D- L O, R/ y
set rand-dynamic 0& `: X8 e0 ]6 H( J$ \6 M
end3 y7 n+ \, q; R! |. P
4 U. A/ Q& `( f1 f8 j" H& L/ Ito setup-turtles
' _4 C0 h& W2 w" e7 J3 Rset shape "person"! q0 q" w5 x9 A g+ O
setxy random-xcor random-ycor* t+ a K' G. L- I
set trade-record-one []
0 I" v+ V9 M* w; g! ^) x
9 @. u. P N. |# eset trade-record-all n-values people [(list (? + 1) 0 0)] ; e% U: s4 c$ R) N) b8 y ]
. P$ F3 y: \8 L6 \, A' [* S
set trade-record-current []; A, r7 `7 z: ?
set credibility-receive []( D- g+ |4 s3 w
set local-reputation 0.5
: }/ {! i4 U1 P- S( M# |set neighbor-total 0
# |: T8 r! H0 E; [! aset trade-times-total 00 Y! X0 @# b- T0 U2 ^
set trade-money-total 0
# v8 a; L& _; u1 Dset customer nobody
& r4 S$ U9 _4 v; Z" D. Eset credibility-all n-values people [creat-credibility]
7 {' _. w6 [7 ?+ p5 ?: J7 |set credibility n-values people [-1]
9 E5 D" ?. K* I) U) Q& f+ f0 Oget-color: i9 x4 m; E/ j/ [; C( ]
: r0 i* L, H0 g4 Hend
# U! W) ^9 {2 L
2 P. g1 p) {/ u- j6 J! pto-report creat-credibility
# Y/ e' f- N, l2 ^* @- sreport n-values people [0.5]3 z; s6 I2 h; X) a: z
end
' N C3 @! E1 R8 P, T$ t
# X, m9 @/ J6 q, A4 Rto setup-plots4 t9 z; v$ r8 M2 k9 Y
) O8 ^3 \; [7 L0 Jset xmax 30" Y1 g8 _8 ]7 }4 f) g
0 u2 P# r& ~& ]. R k5 b0 Iset ymax 1.0' L/ c3 P, G% T( }& Q
, e. x" E, g/ t: J8 \: C t
clear-all-plots
$ N3 x, N+ z l- _3 j$ p# c1 E
2 G8 ~; |+ g1 x- X: I: l y1 bsetup-plot11 T" Y- \% }) z r) E. ~
$ @% ^% Z* D) y; I& B( psetup-plot2
* p2 K) a; ^$ Q# f- g4 C5 t, J& H7 T6 X( h
setup-plot3
+ v0 |, n& p5 C$ B: p& `end5 q8 i* u$ D D0 c D1 V; T
- f- z: S$ o2 F
;;run time procedures
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1 X& D0 l9 @, c" [6 H. _* Gto go
; R8 `9 q8 m Y" W/ T2 j: n: G. a( S& ^
ask turtles [do-business]
( q! A% `7 D8 S: P4 s: w7 }. l* vend
! e' Q! v0 U# }7 l* a9 ~: Q1 u/ b2 D1 q2 x" D) G' `
to do-business 4 k. O5 c$ v1 Z2 P n7 r
8 q5 W0 Q( e2 Q3 P9 U9 Y; x% p6 }0 [; w( u% u5 W9 z
rt random 360
) z: I9 u) h( V, a% s4 S4 g2 n% } n9 O& \
fd 1
2 ?+ }: o F# A( C9 Z
5 p9 y0 ~& r" U, _ifelse(other turtles-here != nobody)[ C" c- S& w5 i
9 U: v0 h3 C, Y8 i+ Aset customer one-of other turtles-here
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;; set [customer] of customer myself
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+ ~2 L0 c9 g; F" _! I5 gset [trade-record-one] of self item (([who] of customer) - 1)% h, Y, N. B' R* b7 w! K7 |
[trade-record-all]of self1 y( H! y' w) H) b! j
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self. t; ]+ J* a. Y5 {0 Q7 r
; ~0 K2 P& D" }/ `set [trade-record-one] of customer item (([who] of self) - 1)
\; R9 m6 |5 [- p& U[trade-record-all]of customer% E' F+ w& }! u7 M6 E
) F8 X/ Q% x2 |set [trade-record-one-len] of self length [trade-record-one] of self
2 g, C+ W- h1 E. G9 Y! R
5 H" W t2 }) Xset trade-record-current( list (timer) (random money-upper-limit))4 P/ ~$ ^0 { v( g A% k; n# T
0 p% n# z* g9 l' V# c
ask self [do-trust]
( A* R% W% D: W1 F$ W8 I% z;;先求i对j的信任度
6 [! A6 M- V0 U4 `5 C6 L( ]/ g( t* Y8 C* c, j) D/ \
if ([trust-ok] of self)
3 N5 F9 G* r" G5 R0 q! N;;根据i对j的信任度来决定是否与j进行交易[
9 i' R7 H( N. Z& d* x$ R. j: ? task customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
. N3 N- F5 d# Z1 Z" V+ ]* O. L& g4 M/ g) Z4 F' I; `$ x
[
7 P3 Y* f& l# A+ G4 H/ j; o7 X. b& f4 ~: s+ J
do-trade8 Q3 o6 p6 M7 q, |# S
0 ]4 d7 s9 N, d3 O
update-credibility-ijl
9 `2 X7 r3 b2 B* P7 b* r8 X
$ @ A! J, B( [' L) t2 ]update-credibility-list6 `; Q7 \1 C) a4 ?1 m8 I
+ a/ T) P2 k; |/ t8 s& F
% P1 I! P$ Y) }
update-global-reputation-list
t8 v+ l0 l. n2 m0 X1 c8 S- E1 n' v/ F4 G2 T
poll-class) L5 m. B8 D# f5 N
" _8 I$ B) j! hget-color4 {" v8 Z# Q) ]$ G9 W* R
) u1 {% c8 ` I8 L8 w* p3 x
]]
! s) t+ d% \2 u% h. A" H! c% B) A( ~' z$ i( _4 x3 \ D$ F+ ~8 t
;;如果所得的信任度满足条件,则进行交易4 g' N- f2 f# V6 S: q1 c' a0 I
( `. \8 a7 G" R; \& S! D% Y1 L
[
" R4 L W# ~" K. h- y& P" |: c- i/ X0 k# S1 H( _
rt random 360, }( j% R% o$ n3 T
+ p: l# F# S3 [
fd 1
1 k4 R& ^. j3 S" U+ @. y9 X. p4 c3 M$ C# N7 ]
]0 [3 a- v4 B3 L
' n6 t8 v. e w! d
end& \' X5 u3 }1 g V3 i
+ q0 A4 r& Z/ j$ t1 j, \% ito do-trust / u# W; [. ^9 m% ]% p) p7 F* u3 x
set trust-ok False/ G6 T4 O) R( M* ?
2 @( s" C' {. A5 {% h0 N2 E7 E% a
3 o A( R& b+ a' C& i* Llet max-trade-times 0
; F' M5 S5 K7 J* s! q& V5 bforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
0 _" x; c6 Q& x0 u/ |: a# | Ilet max-trade-money 0
2 r" |- e" B) G( h# Cforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]- R* G8 L! {8 R" O7 w- l
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
) N9 V3 L1 @( v3 F! X9 N! k) `: m
3 D6 b5 w' v1 l8 i* {, v: u; Q
get-global-proportion
: [8 F: N2 u6 N+ Wlet trust-value7 W/ r7 y8 h) u$ K" f
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)
/ ]5 b P3 n: V- S' _if(trust-value > trade-trust-value)
0 x. {6 Z/ m4 y D8 Z, n+ `[set trust-ok true]! Z, K% f0 X' m# o4 U
end+ F- k; n" L0 u# {* e$ Y
9 S* g3 `8 t" `* uto get-global-proportion- j) d+ E$ E% s7 [ R' \. O
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)* c& D1 c& p% K
[set global-proportion 0]9 F6 J+ g3 y- q) l: L
[let i 0
# F+ N/ f1 K. [$ Rlet sum-money 0' M7 Q$ k' E( J X+ j3 W
while[ i < people]
8 w" Z$ |8 ^* ?# @7 ]# n[
: a$ _7 ~4 z* P& kif( length (item i
+ p* K! ]& Z7 T5 Z[trade-record-all] of customer) > 3 )* ]9 u T- Z) L' D1 }7 i& h
[5 o! v7 j0 |, Q. R A: X- W; d: r) M' V- m
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))! v0 P( d4 `, {' E1 y8 V
]
0 p0 t( Q# P* y _ R! T]
, L; c) X# g6 n# rlet j 0
3 N4 b6 W9 Q6 I( J4 C: vlet note 0 h: p% t4 K# A* Z
while[ j < people]
, R1 p: u8 i# Q8 p: Q8 T) u[
, X9 E3 C9 _' |, Rif( length (item i) T: G# y: B, {) R
[trade-record-all] of customer) > 3 )
. ?, q' `3 e; ?, ^[
/ U- A+ A6 v. n8 }3 @+ |3 l9 \ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)7 ]3 `& a& w8 l
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
8 _3 i- K( t0 y- E* m/ [[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]& I: b7 D* q; z7 [4 H6 y3 w' {
]
) U* {& `! H+ ~ R. z+ B4 W+ v]+ C2 \, n5 o Z, G/ t/ q( E
set global-proportion note0 n6 V) v* }9 G) U; {. \
]
_; ]4 H% B) C7 lend N A$ ]/ A; n3 A
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to do-trade/ y' n' C( I2 u$ o
;;这个过程实际上是给双方作出评价的过程
0 Y' }+ p/ O9 w7 D) l. Nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
- Y' J! j" b2 L) u# {7 cset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
0 O1 y5 n. [9 [: Qset trade-record-current lput(timer) trade-record-current% o8 Y; I( | |% j7 M
;;评价时间
8 G0 j0 @" e" D/ @ask myself [3 |4 r1 c) s% j2 ]
update-local-reputation
3 B: H# G+ o6 @% J9 jset trade-record-current lput([local-reputation] of myself) trade-record-current3 F% Q5 F0 J: S' `
]
% @! ~) ]6 U* [% B6 k. i7 rset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
2 B: Y; k9 J1 W3 ~! t, p;;将此次交易的记录加入到trade-record-one中
6 N3 l8 y, ^8 v" D& l( F( X; tset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)9 a' B9 a1 U7 J$ [ B& P! w
let note (item 2 trade-record-current )
5 o/ n- S: p9 t# K0 X) X" @3 Mset trade-record-current) V3 c% O: \+ B
(replace-item 2 trade-record-current (item 3 trade-record-current))& A+ K b% r \5 x6 N" G- ?, g
set trade-record-current
# d) R# _/ s. m1 b d w8 r2 ^0 N(replace-item 3 trade-record-current note) R; c# L( f! N3 ]* P; F
5 G5 X( x/ W2 l$ d$ \
2 s; b6 {6 g6 F$ K- K) U1 e y6 r" E. [
ask customer [+ ]* U5 N" b* A) B5 p4 f$ W
update-local-reputation: Y& o6 E% R7 f! X- S
set trade-record-current4 g4 @: U& g* o+ H' U3 @8 a
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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& p Z' J4 b1 ~% z8 I3 o$ e" ^0 x( Q. k! g( X- g
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer2 A- _; Q& h0 ^& s) G
' x1 V) v; o4 b
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))2 {. t: m t6 l3 } L
;;将此次交易的记录加入到customer的trade-record-all中( F% u) t3 z0 q/ Y
end
+ c4 L" u* x4 \7 i! b; k! F( @0 k7 ? w# @0 d! b# O( N
to update-local-reputation
8 t3 t M" c+ _$ U4 H, G4 xset [trade-record-one-len] of myself length [trade-record-one] of myself
6 s( f8 q% ~9 P7 O+ |6 {- l. i+ n. L" A- j: o9 \
% U/ ~2 ^/ T0 |4 B) n( G; c
;;if [trade-record-one-len] of myself > 3
* f1 s1 W. \ G0 w! C1 x% ^: Wupdate-neighbor-total& t' A8 m! H; C; q7 L
;;更新邻居节点的数目,在此进行
2 X& M# y1 \3 F, L8 Mlet i 3
' k$ x6 S; o2 Z& s9 ^0 d6 M2 alet sum-time 0
# ^9 S0 I# `6 g: Z2 ~7 swhile[i < [trade-record-one-len] of myself]
+ E2 [6 \7 b I[* F4 ~; H% f$ n/ F! P
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )$ @1 r* a9 F3 ]: B o/ ]
set i2 W5 z6 j3 J: w
( i + 1) E6 E% h2 e* p( a/ \+ Q
]; Q; {: _8 q8 d' g
let j 31 Q) t. C7 @2 p6 b3 q7 G6 ^; M" ]
let sum-money 0
- s( L1 w9 a; S0 I9 hwhile[j < [trade-record-one-len] of myself]$ y; l) j8 F/ ^" C- m
[# D0 G @; i# c) z, J
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)
" H7 e' T0 A& y* a; t' iset j
e4 `# y6 W7 @2 r- K( P( j + 1)
1 l. [1 v$ z, S3 U]
, E7 X o6 a7 vlet k 3
) R- _% M( P- d- y# ]let power 0
f3 k6 ?' D- Z, glet local 08 @8 n0 ?6 P+ b4 C% Z& }8 L. Q
while [k <[trade-record-one-len] of myself]* J5 y" G+ Y1 C3 v+ P3 u- B7 \3 E& n
[; A9 J+ Z" H, ?) n4 j. S# N
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)
8 `' G) r- g5 n: e, p+ _set k (k + 1)9 v) c9 A; m# Q& A+ A
]
: B, E. t7 s& z5 J cset [local-reputation] of myself (local)
2 [& ^0 Z! O3 z: Q+ `3 @, Vend& V# U( y7 s5 m- t* ~" P1 f
4 x( Q# D" G8 T. K0 Oto update-neighbor-total% d: e% a8 S" p
( r. {( j- \# p" ] G8 [if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]6 \, @1 a( x( j1 i/ c8 c+ ]
0 _9 J4 q- f4 _! T+ p4 k- q
+ y# M( p i- ^8 L) e
end
$ Z1 b! v! v7 m" w" q. o# O3 ?
. K" t2 ~' u* P/ H' u+ gto update-credibility-ijl
* h# q1 l: i- U* s3 ?
7 D$ x3 o A6 w& Q; C7 k;;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。
$ f! L' P2 h" Elet l 0' \/ |9 Q4 V+ ~4 ]
while[ l < people ]: T5 g; B$ z0 Q# G- z
;;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9 U; l. ]) J9 u: c5 S. J
[7 c* F$ Q2 X E. G, H( p
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)# H) J4 A/ S6 _7 i$ }2 y& t8 ]3 |# n. D
if (trade-record-one-j-l-len > 3) ~" m+ a, ?# {- w6 g/ 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
) u+ F! ~3 s+ a! _+ flet i 3* Y" j" p6 W$ A4 {) b% L7 E( H
let sum-time 0" u, A- R7 J$ V, x) r# Q1 t
while[i < trade-record-one-len]
2 d1 H5 X( q" F- d# L[4 ^: M O, g6 s
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )! u& N, r+ ?7 Y6 f% `
set i* t) e. r: \" T" X: [7 E4 o
( i + 1)# V8 w f; c* v5 e# U
]' t6 g2 M: H# D9 \. a! ]
let credibility-i-j-l 0
6 E/ `4 K$ C$ u9 a;;i评价(j对jl的评价)
% t( [" T$ J3 t1 wlet j 3
0 r; S& f- h/ B! L* K9 S, h4 glet k 4( A2 |" r9 ]! P8 J* q) S
while[j < trade-record-one-len]
9 O- m+ U w7 [/ j[
9 R. ]0 X! ?9 L) lwhile [((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
6 m# a$ U. X: y' q. Zset 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)
. c6 A9 P2 p& }3 @set j. Y* y! e. c' A' A
( j + 1)
6 |) N) Q+ I, _4 T: T+ v" q]8 k! o" P# b1 k( C
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 ))
& c. O( ^4 A1 d9 f3 C' N# N2 K$ z; I# [# j% F, U' e
9 E G9 s5 f) Q5 Z: ?4 D/ z; ?( e
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))' }3 A0 g; M$ ]& h& M# _- ?" s
;;及时更新i对l的评价质量的评价
6 K/ v9 m. e2 Qset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]9 l! q' I/ }+ ?! L
set l (l + 1)
& t7 L/ O5 i6 \5 R6 K& I]; m3 K5 m$ j1 ~, u
end
# L7 O5 {- d; t; z( k
% R8 Q! \) q0 m8 w1 I. fto update-credibility-list
& h. l6 P! f+ K. s+ alet i 0
* _. ^+ Q$ W3 f0 C( G( O5 ^while[i < people]% R2 `' z4 @8 L, g
[
, R6 C& q. z' I! z& Wlet j 0, ]7 s" h! q: K9 T
let note 0
& @2 r0 b9 n4 m* E( [3 Q7 R# ]$ Flet k 0
$ \8 q1 X! k O, E- R& N% Z$ w;;计作出过评价的邻居节点的数目
$ d- F0 f. O. S" J: S% nwhile[j < people]
1 b' B( v& r+ ~! O% g[6 m% z7 \) k, O, e- I
if (item j( [credibility] of turtle (i + 1)) != -1)
* ^! k8 N* m+ q- x9 h;;判断是否给本turtle的评价质量做出过评价的节点( J9 ]$ y6 O# v& w0 j5 u/ _
[set note (note + item j ([credibility]of turtle (i + 1)))+ E/ c) D3 M# D6 v
;;*(exp (-(people - 2)))/(people - 2))]
# b+ h9 L5 F* x7 G" \0 {- Iset k (k + 1)0 g- D9 C3 z5 h5 P- q b5 `
]
+ |9 [9 k/ m0 F; Z2 qset j (j + 1)9 z: A7 i* R' w" V5 T ^- `, o$ ?1 s
]( v0 U9 E% e- L6 I8 U5 C* v- \
set note (note *(exp (- (1 / k)))/ k)
8 j' X2 @2 `6 A* Y% c# [+ v& T- Aset credibility-list (replace-item i credibility-list note)/ \ s, m. Y" ?% c# M7 i1 S
set i (i + 1)+ d8 N( ?8 I% _, W1 d1 x3 B$ G$ \
]
5 G ?3 G/ b0 I( @. Q% X( X9 D) R3 Pend
" x* g" s2 \1 }4 b
6 h8 [8 k \# w, i% Lto update-global-reputation-list5 m6 a$ b3 l$ J# m
let j 0
( u( w8 i( K) U3 \* z" A; kwhile[j < people]# r: s# H- \% N& ^( L
[) [" [0 v' E1 b- F$ k
let new 0
$ s- D) \! y1 Z& ^: b1 P9 r;;暂存新的一个全局声誉
' l6 n. g6 k) X" \8 _. @( Tlet i 04 E* b O3 f" k% J
let sum-money 0
! e$ ~7 J# f- R4 K- o5 Ilet credibility-money 0
2 Y) [* q/ Y, G+ {# x5 wwhile [i < people]
. A. H. Z* w- h) D[
: ?% m, F# K4 y& e3 N' F, Fset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))7 {/ c* H, E! \) w
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
& w& L/ Q* [8 g6 L. K L2 V/ c4 lset i (i + 1)) n8 T- J$ S3 B- M) @! X K
]
5 w, H4 k* ^- f [' L2 Y, Q* i t4 |let k 0% C& w# e7 F; ^0 _
let new1 06 r B! s$ E L2 t6 `7 Y
while [k < people]
; i9 X. N# H0 t" y% i[; k7 I" m! E2 |' v' w
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)
3 ?/ W" s+ l- _2 Pset k (k + 1)9 E. s+ h& \' y% V! @. @
]
8 h) s1 ^9 ?/ q7 Eset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ; L3 g4 |; \! W7 I
set global-reputation-list (replace-item j global-reputation-list new)
& y4 m3 s: d( M1 vset j (j + 1)
& _, i% s3 _2 O6 W* y$ ]]
' n" U, _' a9 `2 W# eend0 s! R0 R: b% {# G8 ~, G+ o: ^
3 ?) o% Q& k! [$ N
3 J2 M( D/ a* a& c
G4 L0 F/ V+ O W" gto get-color6 p2 E0 j4 N- G! Z# _1 b/ u' e9 C
9 Z3 x" p5 S& i& d0 B, M Z3 s$ vset color blue0 g; S/ f! r7 j
end, f ~. t; i! D$ _" R
O1 c- k8 m0 n. B" |+ Nto poll-class
3 F/ g8 A3 ?7 d6 p0 k) e- Hend, G- k _2 z3 {/ m
' g3 M0 u/ y& p o, E: G; ato setup-plot16 x' }! G: V9 C7 K" o8 f( d( r& C) q
) a% d9 n( n. @8 _& Z2 E1 ]set-current-plot "Trends-of-Local-reputation"
2 P( p# u/ V; k+ [1 k/ {! X+ r" A! t" P0 n
set-plot-x-range 0 xmax& b# i3 n( m( _: H
+ z2 k+ @! ~& O s: c. G8 Vset-plot-y-range 0.0 ymax1 y/ h' }. z# X/ \% ?
end) W1 ?6 g1 D; [: f& {
R$ _- k% M* l( ~7 m- R8 ito setup-plot2, N3 ]$ E) Y2 ^5 g, [
5 {; U5 R4 R2 e5 {: F
set-current-plot "Trends-of-global-reputation"
; X7 {" f- F) A( V0 a$ D1 j
. C8 k2 c+ e( P2 k2 C0 wset-plot-x-range 0 xmax4 I4 l# A4 ?2 f8 i; q; g3 G
/ T; _/ }% d# O& d& U) H* V
set-plot-y-range 0.0 ymax
6 z" [% k$ p+ |( R4 Oend# ]. E" D' e8 s5 H' _
$ }$ r: \# U8 d5 Yto setup-plot3
% i2 z8 {" }: v. ~! w: P
8 G) A4 M1 ~; }+ q& Aset-current-plot "Trends-of-credibility"+ J% |0 H* p8 K7 s2 A( [5 [' ~
. H& f0 e! ^1 v$ ~2 Zset-plot-x-range 0 xmax3 T& v3 P& G+ [, Z2 E+ T! E4 T
8 D0 Y, o0 P! p) E/ H G3 e
set-plot-y-range 0.0 ymax
# |, [- x0 J0 ?( }4 l* Xend% ?3 x' \7 V! ^1 X: |) X4 y
# T' z2 i7 L" V J7 m8 Wto do-plots
3 @6 }5 R2 A' a) _$ [set-current-plot "Trends-of-Local-reputation"
, F1 }4 [+ i0 Z. C) b6 hset-current-plot-pen "Honest service"
# p6 T$ ?+ y* B$ I5 A5 Aend' ]$ ]# M% g" H) o% t0 i
3 B, X$ \( _- `: ?% L, w, _) D[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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