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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 M' q$ z2 B/ w- [3 \, W2 I: C
globals[* l/ q9 T4 H1 l `1 \
xmax2 x9 c+ S2 _% Z4 @5 B+ q
ymax
+ m/ `0 {: F/ F; v3 g5 Q- p% ^global-reputation-list
+ I. T* {9 L8 {3 {3 k: i7 d6 T
+ p7 X3 a5 ^: `;;每一个turtle的全局声誉都存在此LIST中" Y- H G$ a7 T/ A' b
credibility-list }/ ~0 h K9 U, ]9 o
;;每一个turtle的评价可信度
7 e2 _! K. _* t% F Thonest-service
' d0 @5 G& Q% H' f1 i! \" ~4 ^( [unhonest-service" l7 Q: K" U* n) O, @! P
oscillation8 _5 N5 ]% z2 g( ]+ L3 y7 H' y
rand-dynamic
' P' m1 A9 ^/ k+ O]4 t ^% A2 @, w1 \# i
9 z$ f& H' D: I! i+ Jturtles-own[
9 [, B3 Y; T1 X$ J2 Ctrade-record-all* _8 I, H+ K; E* a. s
;;a list of lists,由trade-record-one组成3 E0 j' ?% L; w' ]9 L
trade-record-one
; {1 R5 R( e5 ]" k" U;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录* M, I' l8 d- y0 b1 E4 T0 F
' ~' S" E3 {4 N- 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]]$ Y- x% b; e! O3 W3 P
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]' k$ ?9 b" p1 z; c0 A3 F H* a
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
3 ^1 \6 Z. V( T [7 Oneighbor-total( R% |/ Q/ B4 }# l3 z P% Z1 h
;;记录该turtle的邻居节点的数目! I/ r- e9 z5 j" L$ ^3 x
trade-time
# ^; K0 g% S) h;;当前发生交易的turtle的交易时间
* B7 z3 O4 G3 o2 yappraise-give
1 H* [: S+ t' ~& [2 ~8 }( T;;当前发生交易时给出的评价+ K: X, p4 {8 J6 @
appraise-receive; n; q' K& l3 u \6 O$ q
;;当前发生交易时收到的评价
, F7 f. l; a& eappraise-time
?* o# f# x$ n& g/ E' k;;当前发生交易时的评价时间
! r, ?' }- z3 G# q2 z0 A- t+ i9 flocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
7 I) ]/ c5 W- M# Jtrade-times-total6 l2 {2 g% S* T5 X- @
;;与当前turtle的交易总次数
& @' [( r+ H* u0 f( ntrade-money-total
* o9 v+ \; Z- Z+ \1 d;;与当前turtle的交易总金额
6 ^" Q- f" G6 ]% {/ C2 R% k" s/ Rlocal-reputation' r( Q/ S! u' l K. E! J$ b
global-reputation+ t: c3 q4 L; T8 O
credibility
4 j3 B \2 _: r. V2 W, t;;评价可信度,每次交易后都需要更新' F% F o2 ]0 b, W4 d! c
credibility-all: k+ ]- _2 H w: O* y; b; j
;;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
3 z8 f; e- e$ n. z3 O) O0 W+ `& q+ _8 Q
;;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 Q4 r" Q8 k+ e' b9 ?8 i$ S
credibility-one
" d5 }! w( {# U- [( m6 p5 d+ n @;;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% N2 B+ u- X0 W
global-proportion: A4 E' i$ O% M8 q# ?. a
customer
/ I# L( d5 {6 r8 U# R: ~customer-no
; K" _$ `/ n+ d# G' f# ^# jtrust-ok9 A; W! b& `) h3 n
trade-record-one-len;;trade-record-one的长度) G$ t# v9 K0 f) G3 I2 i+ h- i
]
3 R, L( l E: P( u6 O! J
* p% i/ i$ T3 X3 b3 R;;setup procedure
6 w. d8 a. t) J! W; v% W
' i+ F* a2 b/ f5 z( S* m2 xto setup
# e- ]) A: F. v) D& [# F. x
0 D* P/ {0 f8 [3 \# Z2 N, R* Nca
# w% q/ G( G1 d
, n: k. Y0 I3 I6 N! a: a0 H" Winitialize-settings5 d7 Y! S& I! h& M, J$ l
( F! R% b" c: v3 m% Y
crt people [setup-turtles]; @% Y: t- i0 g8 \) P* Q7 A) A
! ~9 l% ?# A8 i" ]reset-timer
( A" S# z% T s) n! u) E9 I8 }. L- @% }" U
poll-class
# z* O& {0 N' k$ O' p& m5 n" \; b- M6 f# s6 I1 X; W
setup-plots
# g* y; ]" z [- C) v" ~. y3 L6 b) b4 u1 `' f
do-plots) X6 J' f9 {* F9 `0 P- \3 d. ^
end
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4 M& g, `' V8 r1 s5 oto initialize-settings0 j- {# _0 O4 Z0 P2 X, S. ]& K* R
/ m% h1 z% \. M5 |+ y: I( gset global-reputation-list []
7 H. U7 e. _) `5 r4 `! g
5 z9 q$ `7 v# K0 v$ nset credibility-list n-values people [0.5]
6 C6 `# ]! ~/ a+ Z
1 C, R5 [6 z; _9 Rset honest-service 0! |$ M! f: H3 o& F
+ u) \0 ^) M" h0 S. J
set unhonest-service 0! c; G3 `; c$ A6 S3 c' I3 ]
. u/ l9 L, Y9 r; Q5 N* e/ m
set oscillation 0
# h7 g4 \) @! L7 @) }3 U) m. d9 F3 O" b. I* D T
set rand-dynamic 0. Z+ G- v. E( B/ f$ L3 ~/ H5 _; G
end
' r) Y: V8 G8 d' O7 x
& D/ y p) b( Dto setup-turtles 7 h/ N" ]% O: I% t* r3 Q. T+ c
set shape "person"
0 Z" y% t2 ~0 |* v* X- z% S+ e) qsetxy random-xcor random-ycor
2 P; a" g- F4 n) n: [ Gset trade-record-one []3 X. V' r7 n' }$ I) H
7 {% @! t- ~( g. ^$ d8 X
set trade-record-all n-values people [(list (? + 1) 0 0)]
: p; t6 L# t5 B1 j
. z3 | R8 b# f, zset trade-record-current []
5 y2 R3 j+ g) nset credibility-receive []% {; h0 m: R0 B$ d' E' ]
set local-reputation 0.5
- I$ T3 S) A4 gset neighbor-total 0) @. P+ v, i% G" b; W
set trade-times-total 0
2 l& v0 P7 G* R5 M9 t; n N6 Wset trade-money-total 0
% @2 G8 Y9 Z3 \set customer nobody
* @2 d/ a0 h }) X# xset credibility-all n-values people [creat-credibility]
7 o( O# `; o6 O: nset credibility n-values people [-1]
3 `, u: X( G+ {; f) |get-color! w. n6 E( n/ M! e
. l2 k. H# k: }% q* Vend: o# b' i3 B5 v* O, I
6 e# m1 L$ E Q3 G# X
to-report creat-credibility' Q F. \/ w2 [4 A$ |1 a7 l
report n-values people [0.5]
. \2 N' t$ ~3 N3 y* t+ B/ P: x0 Qend
7 E) J. `5 c4 n ?0 `5 J/ M& S! Z% Q2 W0 g" g
to setup-plots$ d" N7 | t4 H8 X
- @7 S7 E7 U8 ^ R
set xmax 30 R& W9 i; f4 v* w: G
& y6 w2 I, ?6 R$ X( x0 [4 u
set ymax 1.0% H- D" [# n9 `) J
- R6 R2 w& H% C# }
clear-all-plots' D9 A! r. G0 U9 n0 Y
- T" J5 ?7 ^# B2 c isetup-plot11 Q% o, }. K- `. y2 M* {9 I; `& e3 c
* N- f7 N$ M! V! [/ usetup-plot2
' o+ d9 i1 g) Y! ^$ A1 O/ E8 Y
% \8 A/ b' d3 j/ e/ Vsetup-plot3: L; Q% e; U3 j8 q0 G
end
$ w! m' G2 E. v8 p' x2 n2 r& D5 s# N; W% |1 G! J# f5 l' V; ]
;;run time procedures- ?& e s7 f! o% z# Y+ z% j
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to go5 O0 u, }, y p7 ~2 q9 f
2 ^7 k, U6 J. B2 K; l
ask turtles [do-business]
. W) }& H# J( m; m) q% `8 k3 O: Gend8 X+ ~# D# |7 J1 F! ^) C
2 \0 w4 N- V) i! \1 J) cto do-business
( M2 Q; P+ \* K! ? K: H3 T- I1 V- o+ B) R( o1 n% D
' h( w( }& v, [9 [; O# Y t
rt random 360
1 I0 H$ }/ Z1 L5 H. ~/ _4 X8 V# w- I5 {! Q" \
fd 18 v$ h% }- e7 k, o& J1 v
5 x B% M, `" Kifelse(other turtles-here != nobody)[
* E3 k7 n9 D0 f3 w% j
5 \7 r& _. s- u3 j# e0 X4 Fset customer one-of other turtles-here
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6 w6 h5 w* ^; V" p* Q: {% B;; set [customer] of customer myself+ [0 x; P6 v A8 v! {
' X+ Z. O! R$ y6 N! B/ zset [trade-record-one] of self item (([who] of customer) - 1)6 z/ b9 W: e' R/ ~1 m- V1 ?5 \8 ]
[trade-record-all]of self
8 V3 o4 z5 y( ^, v. E;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
& L) R# g+ C- i P. _4 V6 D4 C. t# [; A) ?5 B, Y: s
set [trade-record-one] of customer item (([who] of self) - 1)
3 O6 b8 c% g* y1 r[trade-record-all]of customer! h$ v: A. r1 j6 J8 ~; d/ Y6 h
1 u- ]- j+ G4 ?- L
set [trade-record-one-len] of self length [trade-record-one] of self+ Y1 T1 k( d7 `& a" Y8 E( S
- \* G7 v/ }" q$ ?& q+ w
set trade-record-current( list (timer) (random money-upper-limit))0 u1 } w5 n! n# Q) V! l0 H
' P+ b" U( t$ X5 J+ g0 Aask self [do-trust]
7 u4 h+ s: F# c3 T# r9 J2 E;;先求i对j的信任度# \3 o3 J \8 k+ t4 y
$ K; y3 S/ Z* Z$ E% r
if ([trust-ok] of self)
7 d4 r+ _- y, ]# ^+ v;;根据i对j的信任度来决定是否与j进行交易[+ }* d' \8 u, C3 N1 e* a, M
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[
" V( h$ R9 m0 w8 F7 H6 h5 g6 R; K
" u: W- d; p0 @9 R/ W% F! ~do-trade% _5 M# O+ B4 x' S, e
3 [$ ]* N" F+ u0 q; O2 n- Nupdate-credibility-ijl
6 V0 z. s. x7 m. X, {8 u* T0 Q
& y% i9 C( v+ G. Zupdate-credibility-list
& Y( s7 {. Y% R
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# [$ u0 F- t& n, wupdate-global-reputation-list
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poll-class
x8 E) S, |$ t& ]# D5 A6 J9 V3 k3 q0 V& e! ]" g- U0 P& ]
get-color
8 ]0 Q3 C- B7 b) G
1 y/ E, r- @; f]]( q- Y" n2 I! O! g, U% H
6 {3 ]5 h( y9 j8 T/ K% x
;;如果所得的信任度满足条件,则进行交易
) M6 E, d, ]: i5 I
8 S+ ^( Z1 V2 e/ y; L[ |- z, x, p2 ]- z, k: w
, S2 O! i+ N; E/ h0 m8 n1 f
rt random 360
, |. h" g6 p! A3 ~ I, C: y; r1 @$ U. w6 S" N
fd 1
3 s6 T# q1 D. a1 g9 U
7 z- u8 \' R1 ]" j/ S) }! A+ P1 o]7 G+ }5 f4 W' d0 e
; Q( k4 A' U R9 B) N$ ]end
0 ]1 t) q& n$ {: A3 Y' ?2 b9 ^$ X' o4 Y; H8 m" c) q
to do-trust ! ?6 B7 \6 z( l0 t- { A& t
set trust-ok False
+ D% X E* H! I; O7 D! T$ `( p4 O/ X, _6 P4 I
- Q3 O0 M* }" [" g0 Ulet max-trade-times 0
( R: f/ H$ k3 J g$ ]$ g: ~* Z4 kforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]) s8 _ J' K$ _
let max-trade-money 0) E$ t: u" g* h' ?- B) y3 J# @
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]1 x+ I$ \/ O9 \1 ^
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))# q; _7 v, x/ L0 b
5 ?( v1 y9 e$ l( o, B. g( x) C/ T
" ^* @1 w9 z) ?get-global-proportion9 u% C6 h. u2 y
let trust-value
1 ~, r+ `9 F( c) m E6 Olocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
' n% V6 o! k) ~/ u) ~2 M: Uif(trust-value > trade-trust-value)
1 M8 s( o8 J2 \3 q! f$ K7 l[set trust-ok true]$ o0 J z4 Z& v" _ b# G( [
end
0 ]+ L& l" j3 Q* s
. `3 l0 _7 s& |# S+ F. Lto get-global-proportion
3 m- w$ @4 D7 b1 C! d* ]# ?, Iifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)" b$ R& @1 H+ }7 S: @. G# ]! J. V; h' e) ^4 D
[set global-proportion 0]5 I1 ?3 |5 I% O1 k' m
[let i 0
`) R6 f1 z# j& L3 a0 clet sum-money 0# b6 _ [1 A4 s5 ]6 e1 {0 r
while[ i < people]& l P1 S5 ?- b* T* w
[
( _( v3 O& F( x( ~ Qif( length (item i
( D% j5 E' s: g' f[trade-record-all] of customer) > 3 )
! k- g$ v: x* P9 F[
]: O3 f* i" rset sum-money (sum-money + item 2(item i [trade-record-all] of myself))) S0 ~$ B3 I- m: G/ f) p7 M
]1 \" Q* a. \( p1 {
]/ P T! v% E# B% r! T7 H# T5 w
let j 0+ e. B9 C! m& q! h! c
let note 0
: S% f @4 q' G6 qwhile[ j < people]0 H9 n" d8 C" ?& T, |
[
2 a; D8 X, X& p+ \2 U% vif( length (item i) Q% ]* i: f9 Q0 R. c2 Y( f7 d0 g: y
[trade-record-all] of customer) > 3 )4 S7 }7 f6 ^% I7 q; H7 @* Y8 G
[
0 O- I* `: P) f$ w5 |ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
* M4 J) J" w- _4 m9 X[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
8 q0 x( v8 F/ I2 e[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]' |3 h0 _/ P. ]: z% q- ^7 a
]
7 W n4 o! l h& n8 l1 H] i$ [0 g A$ W' E* I; c1 L! V: ]3 Z
set global-proportion note
. w8 r' G e& ^# h- y$ u]- l/ p. C" T. U7 T0 e% P4 e
end
2 ^4 ?7 w. D4 s! D+ n4 B' @# m0 T( N
: c6 t4 `/ |8 j9 M' X- f& U/ `to do-trade
K& U7 S' W# J7 r$ j1 { l4 O;;这个过程实际上是给双方作出评价的过程; H3 O; @: u7 U
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
# \% S* W/ H& `. I3 [: |' Lset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价8 N: b5 v8 k0 a4 A U0 e1 V
set trade-record-current lput(timer) trade-record-current+ ^, X( T7 _2 \+ X
;;评价时间
7 q+ `( B* v) ~& g: Z0 [/ Hask myself [! m7 G* m% I% e/ ~
update-local-reputation( {! E5 Y- A: U4 H
set trade-record-current lput([local-reputation] of myself) trade-record-current
k! D- u; ^ h4 Y) N]( ^) P4 ~5 x m, H% [+ `; L$ C
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself+ g: I+ M1 v7 p8 B$ v: j
;;将此次交易的记录加入到trade-record-one中8 _7 d8 i% @6 }
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
* ]/ ]$ P, c. O; W. s% _' z, _+ `+ plet note (item 2 trade-record-current )
# |! F( M* l% ]: V* P& Nset trade-record-current
c+ G* X) i) u2 f, A- r(replace-item 2 trade-record-current (item 3 trade-record-current)) w ?4 j2 m9 M7 q7 x
set trade-record-current( L' F5 I* M* i) ^
(replace-item 3 trade-record-current note)
7 N$ n( }: W2 z! P) ]3 [: _+ [# E8 g; Y9 W" C ]+ G0 ]0 F: |6 u/ g
* |2 u$ w3 Y0 R$ E: ]7 p
ask customer [
7 \5 r/ ~* v& o2 K0 z/ d) L. xupdate-local-reputation
* \+ k/ z! K6 ^ [1 O: Eset trade-record-current$ n9 x& @9 J- j/ _
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
1 t2 B/ _% s% N$ K# @]
! ?5 R& `) P8 R7 A
$ X$ M8 Q# L( q& N ^! m8 `1 w
5 y! V6 L2 e' u+ L( k0 uset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
|( b+ b+ {, M1 E! Y2 t2 u7 K3 h3 _( z) _4 S* T& l! O
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
. C* v' X; \% [! r" T3 w8 j/ g;;将此次交易的记录加入到customer的trade-record-all中
1 F6 ?& ~: ^; F* S$ U! L) f8 p) eend
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to update-local-reputation
" k. P5 u' R# y8 z" bset [trade-record-one-len] of myself length [trade-record-one] of myself
9 n; r- \" u9 n9 h( U1 t
* S1 W4 _" v7 c8 q" s7 X$ O+ i* Z7 W4 I1 g( i$ o( H: j
;;if [trade-record-one-len] of myself > 3
4 |* S6 N' A% g: v6 Uupdate-neighbor-total# L2 R* c' I# E3 _) K+ v; {
;;更新邻居节点的数目,在此进行6 |0 d' f6 W8 A4 _2 g
let i 3
$ A3 t2 f- B: S" N, D, u& clet sum-time 0
* \% B. n) O! ]# W: Wwhile[i < [trade-record-one-len] of myself]' D0 b$ l" _- e0 S' g* G
[
- p: G" Y. n/ f$ Lset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
) n8 ~- F! B1 J7 G/ Eset i. g6 X' F& L0 R
( i + 1)# Z1 `- ~7 y- P+ M6 S4 D. a
]# p+ R" h* O( { A
let j 3$ p! t5 y H6 W" }' |# D- P
let sum-money 0
" x# J/ S( r7 l% k6 |, n! fwhile[j < [trade-record-one-len] of myself]
7 V) N; K7 }* |7 u) M7 _/ ?! J[5 b* {+ i% H8 S" ?/ A; }
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), _" ~/ ^# J2 |6 j* z; N) [
set j
: a" }0 }6 R) y# w1 y! V& T8 V( j + 1)
8 x; _' Z7 x1 ?8 T& y6 l3 j]
: M9 J# o9 u4 O5 f; J% n% |let k 3
2 W- O5 \- C r9 j( tlet power 0( V% e7 e2 I" J- z4 ^ ?) C
let local 0
7 b) Q! d) R+ t2 T6 z. rwhile [k <[trade-record-one-len] of myself]$ r" ], u4 k( H% J1 L# h
[6 K6 o" g Y# i# l& o% M0 |) S. q
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) 1 X8 N: |; Q! V) z8 m5 G
set k (k + 1)$ s4 \/ W* k" p* _% O
]
4 x; N8 i( \1 P( pset [local-reputation] of myself (local), I; X% i I+ N6 A$ n) b
end
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to update-neighbor-total7 K* Q, P+ W* r/ O, D) g4 n: m* M
$ K. [" D& I3 Y8 U) H" i6 O
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]! i9 B( b ?' f2 y$ c+ U) Q4 t
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end: k8 l' b$ V' s9 X# m: @- T
8 S; H, w5 q& [ ]4 |/ d" p
to update-credibility-ijl 1 W M" }$ o# O) h
( i. w% e1 {. n, @; c1 d. D;;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。
- w' G0 v- u* u+ X$ h2 nlet l 0
& A- m0 z* V' p. C7 O7 ^; K+ y$ ?! Q8 n) Wwhile[ l < people ]
2 Z8 D5 b, [5 ~) i5 s;;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
/ z# j3 T2 e9 N1 f1 m0 n& U6 Z. t' H[) m; `+ }! F$ ]
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
3 j" Y6 K, h( A! q6 gif (trade-record-one-j-l-len > 3) h6 V( G+ w9 y4 v+ Y, [
[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-one3 d' O; C, p2 N3 x
let i 3; f/ ^, L- z/ m' x
let sum-time 0
" r' Z, H# ]. d$ _while[i < trade-record-one-len]; T$ q! j: n$ f, ]% i. S
[
6 j6 {. g. C& {- z3 H" ~7 g2 ]1 rset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
^3 Z4 p$ L+ d' n$ ?set i
5 A1 B1 a: Y8 P4 [3 z! N( i + 1)7 O$ O$ V- N( |
]( A N2 r( k3 s1 t8 U- @& X
let credibility-i-j-l 0
/ q' A% S5 S$ W1 X+ H8 F;;i评价(j对jl的评价)0 o- a& H0 r1 ~! S" V
let j 3
& A8 n# A, x4 Zlet k 4$ u2 |* t! m" J) S4 u
while[j < trade-record-one-len], n; M& H% J! @' V% k( g
[
; U9 S4 h4 v1 ?& `% q/ Bwhile [((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
) D9 }: [/ v3 o% v! \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)
8 E" N* e; j$ [8 k$ G7 [0 @3 Uset j: b: P8 {2 e% E4 l5 Y$ P
( j + 1)
1 ~5 `! R/ u+ r]
, ~# F. {. q: o: p0 ^6 n( O1 jset [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 ))$ i6 h6 ~/ D# J( I
3 i& p& q* V0 U" {
& H3 _# T9 X# h% V7 _3 ~ t+ _let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
5 b1 c+ o8 Y X$ h8 c' Y; @) S;;及时更新i对l的评价质量的评价8 e/ C" P( g, n4 r7 T6 G( S# e
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
8 M+ m1 m4 F9 b$ u" G- aset l (l + 1)
; k) q% }5 K: w5 t' h2 T/ |' @$ K6 ^]5 H6 i* K! S2 L) n
end
1 v0 u# I, c0 a" L; }0 m
& i h8 [8 R+ d9 r! L. g- [! h* Lto update-credibility-list
# J4 u$ u+ q- Hlet i 0
% l, |5 z2 ]6 xwhile[i < people]4 t& p \+ W- V
[
7 }3 b. E; |2 }) l( Elet j 0. Q& ?8 e9 D* S& J2 M
let note 04 G" B7 v" Q) k1 K& } {
let k 0& U' b6 V* n: [- y, u" N2 ~
;;计作出过评价的邻居节点的数目0 b9 Z3 f9 _. b/ L+ n
while[j < people]4 s. Z/ z, T9 J8 w6 A
[
+ w" p2 m, D- r0 Pif (item j( [credibility] of turtle (i + 1)) != -1)
# D, |0 l! U: {) [;;判断是否给本turtle的评价质量做出过评价的节点+ f) C0 A2 o$ B* R, B! l; Y
[set note (note + item j ([credibility]of turtle (i + 1)))
" J' p) b+ _8 K# j* {8 M;;*(exp (-(people - 2)))/(people - 2))]: K, |4 \$ T4 a1 ]# _3 @3 R. }- _3 j, n
set k (k + 1)
3 U' `' }! o3 j]. B4 Y. k$ R! B/ x0 i7 f" [
set j (j + 1)6 I' C) K7 G* a8 M3 m6 Z* N; O
]
( O! Z) E( j3 z, l Y5 j( eset note (note *(exp (- (1 / k)))/ k)$ |2 D6 d3 M& c/ w% t2 N+ a9 J
set credibility-list (replace-item i credibility-list note)
1 j7 l- `' Z4 }0 R# }# kset i (i + 1)
5 E- |* \9 f6 r# E9 s: Z; `& @! c]9 o, H- e% r6 F: [% H" }
end
U4 b( x0 P% r5 O/ x& q u M3 G. r. J$ @
to update-global-reputation-list
e: H8 E% I8 j, m" t% `( ^# s+ elet j 0# f" N- H4 Q6 B2 u. N; J
while[j < people]
8 z2 N" l! C* g5 k7 f3 P[# O6 n. @, P; m7 @( G# b
let new 0
) ^1 R9 U9 h2 T: T# C;;暂存新的一个全局声誉
8 A6 m; N9 u. L& Y: s+ Wlet i 01 c: f% n% ~; V6 S9 z
let sum-money 0& C) M8 p5 @, Y0 p2 A
let credibility-money 0# k- \. u# `: f# ^) o3 T
while [i < people]
3 P3 e Q6 g( O$ y; {( G[* O& k+ I, p) ?$ _2 n1 u
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))! A, p8 ^4 G; Q* e: z
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))+ L( h s( [0 @) R2 X( l
set i (i + 1)
8 E: o0 x* d" S. `7 ^]% m7 ^: y i. O
let k 0
5 [2 Q) [$ |' p# F4 N- Llet new1 0
0 g# Q9 ?( I8 Kwhile [k < people]" h2 c7 P7 G. w6 k' O
[3 }2 y+ X. _5 q7 A+ J" m6 ^
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)
1 J- L* a/ q; w+ }* Vset k (k + 1): N9 q! b. a" j) B; Y
]# P& j9 B3 j8 |- T' e5 G/ j h
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
8 i+ E; c( b/ v) w4 A5 Pset global-reputation-list (replace-item j global-reputation-list new)* d+ A/ r- B5 B5 _
set j (j + 1), Z0 e# a9 x' ]1 Z7 I" B0 j
]
+ Y9 j4 }' V9 R' _8 W- |# gend
/ F7 |0 H; W1 I0 Z, @$ r& s/ p; j6 d5 L6 |: D# {! D" G
; M/ J/ _3 e0 ^ K. {) l+ C
, g1 c l, v& U9 B5 qto get-color
, M# m3 U2 o# R$ i* s5 @ ?8 Z2 Y4 t
0 E( f4 L6 n0 }" ]9 Xset color blue
3 E+ O4 Y7 p; p; x- hend
. H! j* C( f' j4 r9 r$ R2 S6 O; y: ~& O9 y- o
to poll-class/ o/ _* `; S+ i! i2 j" |1 }, R+ h
end/ W5 r4 \! ^1 X3 @, l- W8 q( n
. f+ p1 J1 ~ sto setup-plot1
- |% p6 @* ~& ]3 F) e) h3 ^7 R2 o- x- {4 S& e8 y
set-current-plot "Trends-of-Local-reputation"
, G+ y/ x/ Z9 Y( z) F0 n, V* f& ]; L$ K: j# ~% j. M
set-plot-x-range 0 xmax
6 o: |. H! `) Y! f; g9 [0 n+ F3 {' f& _% J( E: X, \
set-plot-y-range 0.0 ymax
0 R' s, _. k+ `+ I$ cend
& ?+ I9 _/ O# x% h5 F* f
8 w0 \# ?( m, _0 M9 {6 ^' Xto setup-plot26 C. w$ J$ ^2 C. k. N: M
. `, }" Y0 k; F# d
set-current-plot "Trends-of-global-reputation"
- P% ~" m, V" j5 ~6 P7 j G0 v& N' c" _- }+ ]) y7 Y5 Q9 R2 }
set-plot-x-range 0 xmax# V& n/ C1 R) k7 c" Y
: g8 {+ x) I" h1 Z9 {$ mset-plot-y-range 0.0 ymax% K. A+ \; Y1 {! N
end
; q# L, S) B* `1 b {/ `! r1 C2 |( A$ T4 m5 `5 M
to setup-plot35 Q% M6 S! O7 `
* Z$ v- q9 R$ nset-current-plot "Trends-of-credibility"
4 A6 ]* K0 v) z# B5 j$ ?
9 b$ \" E$ X: ?' `+ ~, Kset-plot-x-range 0 xmax( ^1 }/ B! ]0 d4 F; z. z
0 x; N3 Y6 g U+ S/ \5 aset-plot-y-range 0.0 ymax
& f' N. s% a1 h; c$ `, t( b0 i$ wend
7 V+ O3 W! I$ y% C e4 f( \
A5 H/ B5 L3 W" Yto do-plots; ^0 T2 n0 v, {* z
set-current-plot "Trends-of-Local-reputation". e9 q$ T/ x4 h: F
set-current-plot-pen "Honest service"3 ^8 U* E2 {7 p! R2 _7 U
end8 l& v, c9 [2 M9 R( w* S
& T' g1 F$ Q7 c. j' x; x d[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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