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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, ^5 P0 L' j' |
globals[
d* V8 c* @ L; Z6 A4 exmax7 M% H# U: H8 Z( A. M/ N
ymax
- j& }/ M! W9 q$ O2 {# s) ^/ Jglobal-reputation-list6 o( \, L& R0 P) f
! ?. q0 e% O1 f0 o/ Q
;;每一个turtle的全局声誉都存在此LIST中
+ d. x& w' K$ {8 B$ ycredibility-list& h: S3 n7 Y* P( @. ^1 g) V( a( T
;;每一个turtle的评价可信度/ v6 m5 W' d% ~
honest-service7 e. ^/ L3 ]2 B3 Q; y! z/ n
unhonest-service; k9 P1 K6 H5 T: A! ~9 i6 d4 V7 X% Z
oscillation) I$ k8 B0 }6 u6 p4 T( ?# R7 m' x1 n
rand-dynamic
5 L0 ^5 _7 ]( x% U l]" m. `! G4 U' J" @
2 I6 ?9 ~3 {0 vturtles-own[
" D9 @+ Q- \7 C5 ], _trade-record-all
4 U: k# \0 i& L6 ]( h" h; b;;a list of lists,由trade-record-one组成5 s3 U9 x1 f6 g, ^6 N
trade-record-one( q% E, t! V+ p2 W/ c. c
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
% c: q6 U' X. z0 a( I+ m) q) {; D6 f$ c0 i# ~6 t% I4 n8 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]]; a: V. `1 b6 Q2 V4 i! V m2 D7 N9 z
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]9 U) H* R0 k8 e; X+ Z* R( ~
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' m. D; r# n( Y; x9 h
neighbor-total
0 p( r0 z6 q$ X- H* j; ^;;记录该turtle的邻居节点的数目
) q. M5 ?7 U! {. X# ltrade-time
8 z. j7 Y+ T2 S0 _2 c;;当前发生交易的turtle的交易时间
, {2 Q4 T, n6 m) c5 y# Bappraise-give
& ]; p' N5 n5 o- _9 g- D;;当前发生交易时给出的评价
8 X5 g3 Z' T4 Z$ Y9 I& iappraise-receive
! p. i8 E. E. K/ Q f;;当前发生交易时收到的评价: R+ K6 \" ~/ ] A/ o$ M
appraise-time3 ?" t5 L$ ]3 z2 G
;;当前发生交易时的评价时间
* e2 K* }9 X- D( Mlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉9 i( H1 ?9 ]$ F* D9 e$ I. q! Q: t8 w2 F
trade-times-total
; q5 L. `+ z, l( d. h;;与当前turtle的交易总次数9 V2 A, k1 ^+ g& g
trade-money-total% x. \( t W6 D# ^4 x5 P: t
;;与当前turtle的交易总金额* I5 [) c2 `% d9 y# o
local-reputation
$ }+ v) |) Z5 Q, R$ dglobal-reputation0 _/ d+ Z) w0 }' h6 S
credibility
; |, j! F' A6 b. q% v! f;;评价可信度,每次交易后都需要更新 p3 C3 Z) ^, D# P3 s
credibility-all
2 \, U8 W5 w1 O0 N- @5 [2 _;;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
) f. @2 \3 L3 }* i3 n5 w( {% C+ j) {0 v3 B0 {- ?: f
;;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* C! l3 } g9 \2 ]: k8 a6 K" T
credibility-one
8 E3 S' ^. g4 r M* f6 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' b9 x9 t6 P) {) x( n/ f- n
global-proportion$ O; S7 N" _ ]8 H! V0 D
customer; l# ?# K' R$ P
customer-no# ` q$ r3 r. M$ I
trust-ok; n9 D1 D# z6 S5 D i
trade-record-one-len;;trade-record-one的长度
6 e& d' W' n2 @2 {]9 j& k- Q& X4 {2 G, u
+ r' s( l. d6 c# R3 i6 |
;;setup procedure* L1 k5 w- |, V2 C
9 g" l4 {% v0 F+ j2 W: e1 Y
to setup2 B0 e" {/ s# h5 t/ d
9 z% Y2 u% [+ Q: E b3 O$ J* Xca9 `) `3 h+ N+ K! L. l! O# K2 Y! I
) Y& l6 ~9 }& @# c+ M+ w0 ~$ a. ?
initialize-settings& C, C3 q4 m. e
0 @! q( w4 l- ?. M3 O' k9 J8 kcrt people [setup-turtles]+ N* i, d/ z; X& c
4 k- C4 d4 @( c, K3 breset-timer' e7 K$ j/ p$ d! x k! A+ Q N
' |* K) @6 A2 u5 S+ ypoll-class" ]1 R7 k, z: d: F8 H0 J I
2 H/ D; n% I5 i: l4 E+ e9 L) H
setup-plots. J* q1 M3 I# l9 t
3 ]( m$ D2 y' k% Ndo-plots
9 i* a! W+ F% Lend
' Z( l5 P& r$ h s; U
% X+ ?9 B1 g) @# cto initialize-settings7 @, t) W6 o9 c. `& D4 f
, s: ~- e! R4 @/ L8 G) T0 U, |( n
set global-reputation-list []
2 X' L. Q! s+ u% }) j- E* k O q, P
set credibility-list n-values people [0.5]
7 l+ p6 i- ~: R0 I/ o2 X. |0 e3 v1 [ m
set honest-service 0
- e6 ^+ l& u5 u
" T& W& `% j( p, Cset unhonest-service 0; r+ Q2 c/ o: ?1 J3 S
$ Y# u4 x# _/ d' W
set oscillation 0
& N4 V5 P! v4 Z/ x8 g0 a( L" m9 j8 }. C& t' G
set rand-dynamic 0 o# j: s6 n, z0 f3 G% b" p
end& ]- c3 {0 R) _. r7 G9 c
0 I" H$ {3 ~# Z7 N! \7 O8 w
to setup-turtles
7 c, h* d' M' d5 R$ F$ Mset shape "person"
, `7 u" Z0 u9 O7 Asetxy random-xcor random-ycor& c3 {. j3 z0 x) C* H
set trade-record-one []
6 K* D5 v2 P( \
& ^2 K* c9 M3 eset trade-record-all n-values people [(list (? + 1) 0 0)]
& {+ ]! \/ l, ?/ k1 F# ]' v- I6 J( I5 d) r& \; D; \- ~3 n2 u1 Z
set trade-record-current []/ i9 t: p! L+ s- c: {$ |
set credibility-receive []
3 M: Y# c! X8 mset local-reputation 0.5
5 X# t. m1 u d `set neighbor-total 0) r9 B5 n; D0 D
set trade-times-total 0/ {; W, \$ e7 ^+ |
set trade-money-total 0
3 B9 y0 G1 \1 M6 j: hset customer nobody
~) o4 U- H" mset credibility-all n-values people [creat-credibility]
$ C6 [" G T# o8 j" Aset credibility n-values people [-1]9 k/ V4 V4 x$ l& ]
get-color
8 _: T' r, t( Q, t, |+ m ~! D" v% z0 ]* U1 Y4 b: M
end
, F* {2 x# | _
8 v1 I ]# ]7 f. X4 Z+ J7 Y! sto-report creat-credibility
% ] b; u- q3 d/ H9 a6 Greport n-values people [0.5]4 D% H# C0 @! t( r
end
$ A4 N" {" {+ u7 I* u9 c4 _- ?/ F3 m6 c. h& }
to setup-plots- Y% b, [; C/ C9 S0 H
3 l& Y. ~: P8 g9 t1 j
set xmax 30
; x6 z$ D1 q w+ \+ L: i; {
0 J* b2 ]: e7 ?+ N, C+ Tset ymax 1.04 b: Q" c( D: Z' \
7 Z$ m' I8 N2 f: h( S. S" y
clear-all-plots2 I' |; _; V6 C7 q& T6 ^. O
* g: f% k' }! a9 ?
setup-plot1
/ }/ p+ v0 T, Q7 d( z% t! b% p# O7 o) {/ V
setup-plot2
O( I8 z+ E- y8 N+ {9 L6 A# w9 e; R* h/ q
setup-plot3
1 } H9 L/ k% Z* W- gend: R6 ^0 R& `# O3 ]/ t9 k
% G! c3 q% q. V9 t& z8 |' `9 }: A
;;run time procedures2 k: p+ `% ~) J/ p6 M% J; K3 y: W
: z- f# k1 u$ D5 Lto go
; r9 n3 j$ ^0 E0 s
& k( p4 h2 S) qask turtles [do-business]
2 C+ u, \4 L" l3 X( h9 tend2 H4 U. D! ~, w% |$ X
1 x& [6 Q5 j6 rto do-business $ {7 e+ w- m" Y$ t% W4 P
- U9 |" V& X# m" c4 b
, q; f7 } g/ p5 P2 y, H! V
rt random 3604 P4 v$ J7 U2 h4 Z% C3 |
* | d0 N$ b" r, g& R
fd 1
# R( f' A- V5 n$ p7 U5 s R( b6 }5 J) A& T1 x
ifelse(other turtles-here != nobody)[
0 M4 v, W% |% F- o
: M, r7 Z6 G" r0 }7 O% aset customer one-of other turtles-here
0 d1 [3 i! x& d8 W& \
- I0 l6 e5 C1 e) V;; set [customer] of customer myself) t6 [4 t8 H; g+ U$ Y
* a0 f; [2 X0 |- E7 dset [trade-record-one] of self item (([who] of customer) - 1)) l- O8 f% h& y/ q3 `
[trade-record-all]of self
e0 i/ ?/ A1 s1 ^9 ]5 L;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
1 x) S. ?* @! w4 c+ o- [% G b& e
% z. o2 \: l7 F( e& pset [trade-record-one] of customer item (([who] of self) - 1)
! k9 r5 D& s7 ~7 x' w8 [[trade-record-all]of customer
" y6 Y: P1 S* ~ R* ^$ f3 i4 _' Z4 K6 t z- V' }4 `8 c5 I
set [trade-record-one-len] of self length [trade-record-one] of self/ F2 k: ^* m4 _7 ]3 b3 a
. M$ B. W5 E( G0 M2 V8 F
set trade-record-current( list (timer) (random money-upper-limit))
. V8 p* ~% \# B; l- _7 d2 J: u6 @/ \0 b
ask self [do-trust]
7 q O$ _4 k( w4 \: ^;;先求i对j的信任度
5 L4 n! Z& `# A B' |8 I
) G( Y$ a0 b1 i5 J u# wif ([trust-ok] of self)* N0 s! ?3 T( g) p
;;根据i对j的信任度来决定是否与j进行交易[4 P* Q L e% p3 Y& c6 c2 N
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself9 N. x+ ?, y/ x; e
3 d* m- u6 `& s1 F[
7 X; P6 s: s2 p A r4 ]6 k9 g! t4 z+ o8 Q
do-trade
; E7 k; I+ T: r! k! D E3 L" B- `; S4 `3 t# X
update-credibility-ijl
" Q7 O+ d5 L6 q- T0 B4 c4 ]3 Y- {( J1 Z9 |
update-credibility-list6 h8 e0 x" A* Y4 |! c
A- g) X- j/ u% w/ e, |2 U
6 c/ X; Q3 h: i8 j/ ^2 Bupdate-global-reputation-list
3 o. c% I: g# V& Z& m/ c U) P' y" U( X
poll-class; u( ]0 J! s8 [) z+ z2 x
# X) G- E6 j% c5 _/ C
get-color
. s$ g7 L* z! H3 H; M* @- i3 D3 V* s; K6 @5 k
]]
' g2 [4 o3 J( r4 Y# P' S8 `0 M3 Y- s T. U+ l. }8 C- k( A
;;如果所得的信任度满足条件,则进行交易
5 u* E# ` |7 o/ N- @* R. d; ?% i
[4 y$ u. h5 {4 q" G
8 k( F3 f, m! [$ Z4 p5 \" t
rt random 360
! e) ^7 \; v' v9 R) @7 R" p- e1 \5 B2 L" N+ U4 d
fd 1
' j. m" f! X/ Y# s7 e
+ _1 P9 [! ^- |5 ?* ?; F]
( I0 R* a( |2 z9 |9 @1 o, N. ~, i8 T) h; w% D3 H
end: f5 B% {% l! e* k9 r2 O9 D
1 t" A' h& E- {4 j& Kto do-trust 5 V2 j4 \! x/ y. k) o1 V8 W# ?
set trust-ok False
5 I5 c# ] V2 h; z+ V* U# B) r
- j" u$ I2 E" Z- C) R+ |' a
" }7 O- M' y' X/ d6 Y1 Rlet max-trade-times 0% s* D$ J; K4 ?6 G# A: q
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]4 p! w7 k; r( A% ], \
let max-trade-money 0- l+ Y+ n! [( R2 F' S7 y
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
& }8 I( P9 ~; i7 Z6 ~/ B6 Q3 dlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
7 a/ E* T6 ^! J, P, U
4 I) b! ^+ e) ^% r4 T5 M" @. l2 }) z
get-global-proportion* d- \+ k' z7 S3 z9 \
let trust-value% D- W. p, z9 S- B7 `( h
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)3 D, B1 D6 L6 y) L: ?
if(trust-value > trade-trust-value)
5 {# \$ R' c! g, f- v3 g, ~ \2 q[set trust-ok true]0 [ A, l# O4 }
end
" k' w5 C2 }0 c
2 B* Z W5 o9 l# r) r+ n* dto get-global-proportion
- L- O3 N6 i" v `) F: Y3 j7 P/ G4 \2 Pifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)3 J+ M3 F8 O5 U, n% B7 D
[set global-proportion 0]4 W! e' j- S$ Q* ~8 E8 h
[let i 0: m( Q' T% G8 Z# g) A9 M: ?: _: R
let sum-money 0/ k6 d. ]# e& i! H. T6 e0 b
while[ i < people]
) E+ ~8 ]6 m0 P! I[
: W; T" P4 k7 gif( length (item i
|- O' M h' I6 |! l[trade-record-all] of customer) > 3 )/ m/ \8 _; U0 L8 Z, r8 Q
[. O1 X0 s. y2 h
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))- |( u2 W. M$ ~ f$ ~5 d
]9 n. t8 k! y$ [" p
]4 }! v/ Z7 P1 q+ U& u: [
let j 0; Z% E. ?4 x; [6 e
let note 0) b( C& m7 ^$ K$ @2 V, U/ m1 D
while[ j < people]$ @( ~' W( i7 b% `9 J
[
& W+ A) M$ r! A1 V$ H& mif( length (item i
7 U# p6 ^! t/ ^' v( y! s6 I[trade-record-all] of customer) > 3 )* F' Z+ u, W$ ^! W
[
7 |$ _; d' J8 b6 p8 c0 b2 l8 b0 qifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
5 P$ ]1 r0 `0 l, _; B1 {[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)], W: ]& x& U a( B9 a! I; l+ I+ I2 Y
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
0 a* C, `& {$ Y$ u* {+ v]
) [0 g; {; W/ J]5 W: k. A" G. ?- K- W
set global-proportion note
: r a1 x. \) S- w]: S. M' j5 _+ @$ ?* y
end
( f# `* |% ^1 ?# S! w$ @5 g, V0 U8 v) S$ D
to do-trade7 H" h! @! H' ]: f
;;这个过程实际上是给双方作出评价的过程
4 G0 H, V% B& Q3 S$ t/ hset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
5 \; i- D2 E3 ^/ S$ p6 p1 A$ Mset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
" P0 q4 v! z6 r/ R( eset trade-record-current lput(timer) trade-record-current2 P/ r# Z- y% n% P3 i. a5 v& }
;;评价时间9 @0 l0 n" b* P) \# z
ask myself [
+ P6 }) c8 _5 t7 Supdate-local-reputation
1 F% g/ T. j$ I2 l: r1 `set trade-record-current lput([local-reputation] of myself) trade-record-current9 e- U. g. |* R! l9 G
]' e* |+ N/ q; z
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
5 R: W9 C" Z. `( j;;将此次交易的记录加入到trade-record-one中1 q4 r+ [3 J0 Z$ h! }$ g0 ]# z# @0 f
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
7 ?! g, D! `$ nlet note (item 2 trade-record-current )$ b% Z4 T9 U1 P& t' U9 `
set trade-record-current3 V7 n8 `& O5 n# ]$ _" Z
(replace-item 2 trade-record-current (item 3 trade-record-current))/ x- w- M7 r# a2 C
set trade-record-current
8 C6 N2 S$ U/ F) e& u(replace-item 3 trade-record-current note)
2 `4 G! [+ Y# k, R
9 v5 P" M3 O5 m* s* ` A9 C0 o' t+ W1 ^1 e: \0 x7 K. {# g: Z. U( T5 b
ask customer [
% j- {3 X- v. n7 J8 |/ i7 R+ supdate-local-reputation
, _% q9 e! c+ Tset trade-record-current
' M+ r6 w: c! e; ]; O" B1 K, M' [; O5 l(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) + `) Y s* t) ?
]- q+ A& m& `# S& k/ N8 M
0 `( O7 b' u( g* O0 W; C4 C
, U& J" }9 z1 tset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
- J; I& h6 {) B$ ?; d* Z& Z g: u L; w `- t
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
. P$ s4 t% K3 E$ ]- k! z) @$ K; V;;将此次交易的记录加入到customer的trade-record-all中
$ Q) H) x" {+ x0 Uend
( \+ \: F- u' I, y; q% @% l( u7 j! e/ v1 q9 B% P
to update-local-reputation
3 Z/ M( P9 |, y7 z4 i4 O- `set [trade-record-one-len] of myself length [trade-record-one] of myself. n4 f( b+ ]" N9 T
0 C) }# A3 J9 G0 M, z
) `* |2 v) d/ j; b; U8 U, E. C;;if [trade-record-one-len] of myself > 3
" r5 Q; k& J6 L: _) _* G8 fupdate-neighbor-total6 s% Q' G; s( K; L% m2 J& w
;;更新邻居节点的数目,在此进行
& _5 w0 b8 q, u F1 H0 E) v. mlet i 3
" W' G, C. h/ s5 P6 t: _8 flet sum-time 0
# |* C) d2 }; I1 N( Ywhile[i < [trade-record-one-len] of myself]
* ^6 ?! [5 j( T$ H C I' k" F[) n# u2 \8 P; ?9 p; k( X# h0 I7 H
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
) _! n) @5 B, Y' ?& g& F; Y7 pset i
, y _0 |, w! P( i + 1)
1 W$ _. {6 X/ S+ ^' m8 q0 w. L]
; o/ y5 D. t8 x- s1 H3 alet j 3
7 m2 f2 a8 e- I; x5 ~let sum-money 0
% r; r: c/ c" t" i/ L4 Cwhile[j < [trade-record-one-len] of myself]
0 i- p* [2 D# _" j[
5 P" F; ^ Q8 N" F& V0 hset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
' O2 p: E) c7 |/ cset j8 Y% a( D* ^2 ~
( j + 1)
4 _1 ? ^; }( H# o& g]
8 U; a1 B* p- L7 M4 `3 z: q" Wlet k 3
7 L$ {6 S9 i V8 K+ i2 K( A O; Slet power 0
% \4 h( t2 f$ _let local 0
2 f$ q% u. h! n; S b! ]while [k <[trade-record-one-len] of myself]; `& I0 p. @: L Q
[
2 X+ d. O, L2 u4 u9 n E+ Q7 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) s) D! x, v$ G- K
set k (k + 1)
9 Q: P. X, J* t h$ D j]
4 S0 ~, ^3 ]( f0 l; A. x9 r7 M7 Zset [local-reputation] of myself (local)
5 t8 k0 k, v& V$ R) j# eend
1 u( N+ X# Y6 K7 K& e
8 }. J& Z# M9 P& Ato update-neighbor-total3 B5 D, r7 ]8 Z" H
# ]2 _8 M! l% _% i5 E: y8 K
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]3 W0 y! q, Q' D/ R7 B+ h1 M
, m0 L% E3 {+ g
1 q/ g& b6 X* l4 M+ ?* R5 i
end4 x/ f M/ j0 K; `; T2 _9 |
% m. `; W" `5 w# I
to update-credibility-ijl 1 Q* U% X7 t5 S2 @* d* y1 N {
7 U0 [" D2 i4 A- S9 M% n
;;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。/ `% \+ x0 t( |5 ~
let l 0
- J* y- O1 H$ Y9 }7 |5 j4 a3 Wwhile[ l < people ]7 Z2 L& E" B3 R0 |
;;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( D9 S% A% \7 k# G6 {- y
[
% ?5 U5 o% A& G3 F) H' Y: k2 Plet trade-record-one-j-l-len length item l ([trade-record-all] of customer)% \1 Q" P2 h S& G( u! Q$ Y+ ]* o
if (trade-record-one-j-l-len > 3)
* W4 w6 F! N/ f* S7 C& v[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% r; y9 E4 O; n- E2 p( h6 h9 N
let i 3 V2 E# T- R' s5 X+ M
let sum-time 0* z! P4 y U* v) i
while[i < trade-record-one-len]) e: H) E; v, ^, z. q; `4 e
[
+ x7 C d* t& s" e- h6 `9 V! I- F6 ~* Yset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )- [6 m. s$ k* s2 \) h% l8 [6 L& N
set i H3 l6 b5 V% w! g# @
( i + 1)5 U& G3 k) S: G. H# z) c
]/ j6 l+ `0 o) ^ a& }8 k% r3 n
let credibility-i-j-l 0
+ N G$ M0 p, l2 W9 s: U;;i评价(j对jl的评价). W+ n: J- C$ b' t
let j 33 p7 V. E' ?- D
let k 4; B; q( t- b9 ~
while[j < trade-record-one-len]" E! t5 A1 u' Y1 }
[
* b3 D; v8 l& j3 Q7 K, @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2 \1 a7 j2 h* f( s& v- f5 c
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)
' f, V6 Y0 J0 w; q* D+ l* }: Cset j! `9 q) F/ X$ E; I
( j + 1)
5 {0 a; O r w& g( ^0 \1 Q; y# x: O]; G/ h: G& [) t7 g. _7 E% ?
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 ))
' I. @2 @+ C; f. w ^$ Z, v2 x
; C1 [: E; _) S Z. t: A8 k1 u: b( I( S6 c' @% W- e7 H
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
) ?9 w, Q6 |6 Z+ g# d;;及时更新i对l的评价质量的评价
" h# _: U9 E% {set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
5 x9 E3 w, b. r: c, Pset l (l + 1)4 j) Y) a" }3 F' G) J R& J9 S$ P
]& M' i: J9 r$ I6 U2 Q/ f
end2 i4 _9 s8 B$ q5 M) G8 ]
' K/ g3 W) n- Dto update-credibility-list% y; f* |" l( r9 O( L+ [4 U! Y
let i 05 z+ J' p5 G6 L6 i
while[i < people]' m; y) ?9 l$ I( o1 [
[: p2 l2 p/ z! Z: ^* L: T) m
let j 0( x8 `& }; {; r
let note 0 v1 E) t/ v7 W7 v
let k 0
" r1 |: L5 P0 [1 ]2 o;;计作出过评价的邻居节点的数目. W. }" `; r$ _ u2 b; M
while[j < people]
# r8 r4 b3 O/ ?[
" q) d+ ^! e, @. ` bif (item j( [credibility] of turtle (i + 1)) != -1)
' a/ p4 K S6 l% A6 T6 o. D;;判断是否给本turtle的评价质量做出过评价的节点: H) T" Q- g G- `8 j2 e
[set note (note + item j ([credibility]of turtle (i + 1)))
: J, w/ c, r$ J;;*(exp (-(people - 2)))/(people - 2))]' G3 _2 @$ K) `) @! p* T
set k (k + 1)
( F4 T9 F l* M# c% j+ n% E; z]
U7 s' b/ d' i6 _, c0 Z6 hset j (j + 1) j' I+ ~7 ]/ L! t" I& p8 E* l& T
]
; }/ X6 T) N8 ?9 q5 b* c" Pset note (note *(exp (- (1 / k)))/ k)
; D" {1 D) ~; j7 M& e& \2 qset credibility-list (replace-item i credibility-list note)
0 ?; r# J5 s: F" o9 Uset i (i + 1)
% [5 }/ e I' w9 a]8 v$ \- D8 ~. J( o- ?9 [. D
end' R: w1 q# O, z+ w+ L( ^- z
. m$ S5 X2 p2 q* |% A
to update-global-reputation-list S. E' X" H8 T
let j 0* `% m, S4 a! \3 X5 s0 P
while[j < people]) {4 D* V T J8 G& d
[# j- c5 F/ K b( N
let new 01 \/ }' g [, K
;;暂存新的一个全局声誉" z' j( g, @- @) P
let i 0
: F `' e3 T9 y6 N2 W6 E1 xlet sum-money 0# u0 ~$ D3 U* }/ X3 [ i2 H
let credibility-money 0; m! c' ?2 D- A
while [i < people]: H) N9 G J/ l$ r
[
" L8 ~( ~* _' k' M2 yset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
3 v/ Z6 m8 {3 i/ J* O( w: {set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
6 E% z% ~* Q8 |9 e& E5 x/ s1 fset i (i + 1)
" b2 Q9 q s5 M8 x& c. B: {7 |]9 P7 Q( |4 N: ]/ R/ T( h3 o7 a0 x
let k 06 L4 c2 ^" j" v: L" u/ z
let new1 0$ _" y/ l7 |3 z% [% d2 ~! w( X2 g) d
while [k < people]" {: C3 p& H( e0 y# R6 V# f
[
: m2 L2 Z% B/ o( t' Lset 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)$ ^, b) Y" n- ?. D2 @' x
set k (k + 1)
) g1 p: F. D, g. k9 Q. A7 f) c]
7 G& z: H+ t, Bset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
& G- J1 ?- t+ a) e) v7 T+ ]) mset global-reputation-list (replace-item j global-reputation-list new)
- W* k, \; N2 B8 N$ }, r- \2 W: |set j (j + 1)
8 I! ?" b) [( T1 ]]5 E2 Y: g. H' W; ~ p' @' h8 M8 K
end! O' ~9 q/ Y. o! U% w. o9 G3 h' R) Z
' r/ ~5 ?7 i: J% M6 [! s0 ?6 m* i& f0 K r" A# _/ {$ ^5 F
& ^! l j/ L3 ?- k: _0 o
to get-color
# C# X3 o H2 q1 m: G& z# s: L, c9 j- f: g; C
set color blue
! \5 U5 V. p Y* H6 Yend
[" U" l6 x% P/ Y9 i6 |0 u
$ e' y- E; e% b, P6 pto poll-class
( G1 p. P+ k) Xend
7 _/ O5 A0 x9 C
% c/ [3 M+ d6 w6 S$ Jto setup-plot1* M# @2 `6 V, [0 H
) T; _ X; B# d4 K0 O
set-current-plot "Trends-of-Local-reputation"& ^( \/ x+ W C( O# Z% |
) g9 H; P1 b9 Y1 t& o
set-plot-x-range 0 xmax
" p0 f! S/ n. x2 z I
8 X' Z% E) C1 _/ c5 ?& Aset-plot-y-range 0.0 ymax$ l+ Y, k3 q0 l
end
6 m: @* j3 E7 [' _' U. G8 r9 e5 ]- A. y, _# f' x9 H' b
to setup-plot2
' { m& V) G& i/ \ i, |2 x3 W& ~- N* g# o( N
set-current-plot "Trends-of-global-reputation"
9 Y3 X# B6 L3 u7 f Z' |- A( c- I: g: V6 ?/ r
set-plot-x-range 0 xmax
+ A9 A: L1 F; s S, h0 `3 V) n4 o) c5 [8 ^; H* Q
set-plot-y-range 0.0 ymax- [9 f. z; L2 [9 c
end ?6 \. ?) B& B! z9 F1 m
4 J" E+ ]& Z( k9 N' gto setup-plot3
9 b( Z( e' B1 D! C/ G4 H
# T: \2 [7 B8 k! V$ ~; i/ d, oset-current-plot "Trends-of-credibility"7 P+ G5 w% p7 |: m; L. m8 s3 q
$ i( D" w/ b0 T+ k
set-plot-x-range 0 xmax: o& @1 U1 l1 g& [. i; @
# }7 _6 A* r* _* G
set-plot-y-range 0.0 ymax7 C- C3 n; G5 b
end; s+ o( z/ s* Z; J+ V- K
1 I) x# k/ D* x( o7 z
to do-plots5 x& f2 L9 f1 w. |0 Q
set-current-plot "Trends-of-Local-reputation"
7 G$ W" |3 ?- |& Lset-current-plot-pen "Honest service"9 @7 w) y( o3 l e1 H1 t
end. u; R6 {7 U0 E6 @! I( Q$ V: I
. }9 i# X8 Q0 P) S/ b& ?' S
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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