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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" h) \3 j, E% l( h" S$ P& k3 M
globals[
0 I* s9 y% [# a3 B2 \) y) pxmax
2 y- x1 }& Q$ C" w3 o& |ymax
$ e2 A$ |+ j7 N. B' N% vglobal-reputation-list
5 y1 v" j+ E- ?) z% A. `0 M$ ~! f3 C: U* o
;;每一个turtle的全局声誉都存在此LIST中
! ]+ S% C$ c) X4 P8 [5 s5 l6 mcredibility-list
: s$ a3 ~/ `, L/ b;;每一个turtle的评价可信度$ G# R* W" Y; z5 B4 x/ v1 i
honest-service
" W% x) i7 |: Q# d1 x( zunhonest-service
4 N7 W+ g" h* Z; |# ?& M3 Y5 k0 Moscillation' z! Y j2 A3 G; e* ~8 r/ T
rand-dynamic
k9 w T# P4 c0 S]. O" N" N7 b: X* J Z7 w0 |
6 X6 d4 ^8 y( Q0 R1 H3 P5 W. C- fturtles-own[
+ r% R( H" H9 K1 r' [ U" ~trade-record-all. U# w% s0 m: j {+ M. l n6 o
;;a list of lists,由trade-record-one组成
. m$ G7 A) S9 ?9 G3 l$ U% K& b; rtrade-record-one
' @( ~5 ^7 n9 O/ N* x6 P0 x" x;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
, L/ Y4 ^0 }9 E8 B, e3 }/ ?/ B) {' L) S0 Y1 `; \, g) B- [
;;[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]]
8 {, s4 T; N7 l" Strade-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]
& ]# f' j$ a; O# Vcredibility-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! } `; P- z6 V+ p1 \" F; t. `, r
neighbor-total
7 X) g* A) o9 h7 d1 A" a;;记录该turtle的邻居节点的数目. l I- v4 {' A- Q) n
trade-time q4 }% h! N' j% E3 b1 k
;;当前发生交易的turtle的交易时间+ S- L0 K5 V9 v2 R
appraise-give
# o3 o; H& Z% C, K; A& Q;;当前发生交易时给出的评价' e D* [4 W4 Z
appraise-receive+ R& a* q+ \3 `& K
;;当前发生交易时收到的评价3 P) e, z# @$ O8 a+ F2 q7 A5 B
appraise-time1 n% g8 ^8 P2 m0 B- f- u! u7 F
;;当前发生交易时的评价时间
- `5 s( ?$ X0 q1 plocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
" ^4 w) s. w) Y" x+ R! ^- M" Qtrade-times-total/ o& h! H# s7 T! j! i
;;与当前turtle的交易总次数7 Q% K6 \" \, \! a! l, t3 l% ]
trade-money-total
- D- R" ]. P( o& p6 [6 `;;与当前turtle的交易总金额4 _, _2 P0 a, V1 g
local-reputation0 V* ^7 Z: a$ ~5 I4 K5 @2 u0 P
global-reputation- N% O6 Z: _$ U& k$ [% _
credibility
9 B# M E, K& ~;;评价可信度,每次交易后都需要更新- E6 f" M. P9 r; }! G$ ^
credibility-all/ \2 m* m: S' S( Z2 o0 P
;;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: v! ~' h1 R' i8 ]1 s; q7 U
! Y. q8 n" ~* @: o; h+ z. E
;;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
. L" p7 T) D: K* @' ~credibility-one; j; j8 c, S, y, Y6 e
;;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
: |" k$ w1 V: C5 cglobal-proportion) ]! _7 @: q+ p! q/ W
customer! t# B7 ?$ m1 Z6 [: e$ J! J
customer-no0 e! ]6 k/ b4 [) m
trust-ok
4 ^& M2 ] z) ^7 e) Y9 Utrade-record-one-len;;trade-record-one的长度7 @9 }4 [6 S- C4 w
]! C7 b1 l/ f, n* A/ [
, p' Q, Z3 @ M" t) o4 `;;setup procedure
, r! z- o- ]' a( E' ~# {7 \2 D; {! M' u& |, X# {
to setup! E8 S- Q' R: G
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ca# |9 E ]) j+ z* Z# g5 G9 ]* G
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initialize-settings
4 M5 F# W/ E. f7 z7 f& v, Z5 u7 t# ?- p2 h/ L& ^$ v
crt people [setup-turtles]
; A: ^) i& N* S, _9 L3 Y, V# P- B5 p. g6 \ ~
reset-timer
7 z! q+ i8 h0 u: G2 [: e6 E
9 l7 Y2 k2 m, ?/ Cpoll-class) W$ F% _: o) S% y8 I( r
2 ?$ `: g$ c1 x/ S @* ~setup-plots+ p% u' n S3 E: u7 L1 d: z
: K( k1 I( K5 T, Y$ g( N% Ddo-plots3 C* y9 x9 A% @: X( W. H, M7 M
end
! {( s+ b: ^' R4 y* Z
# ~) P/ f+ a% z; P- cto initialize-settings
: m7 m0 E* I1 h' t$ j _- @4 i+ ^4 l# h$ I( t8 o
set global-reputation-list []
1 F' {8 `. [ g) d0 x' w) I; F$ K% y
: {: }! l2 w3 G6 T* w% B9 Uset credibility-list n-values people [0.5]+ z% h% Q$ o$ G* v
2 Q) y! B; {; X: Zset honest-service 0
# V8 n. k2 ?+ ^9 \9 X& ?6 @/ p. _: R- a3 s3 u2 E7 A: |
set unhonest-service 05 A( B0 n4 y( `4 `
/ m6 H7 T* h& oset oscillation 0* T7 E8 [! w' p
8 T- ?8 T" c+ U- F* i0 q. W7 _+ n
set rand-dynamic 0. z& n% W; x8 c, l
end
) X+ a y. U; g1 }+ ^3 b2 Q3 W
" i1 W8 u" o% D% _to setup-turtles
4 V- a# T& w4 n9 _8 F/ K" A! z7 Hset shape "person"
8 e) S. l. [) l7 @, s4 ?$ v4 ~setxy random-xcor random-ycor
! E# _) Z2 y! P/ M3 G$ k8 @set trade-record-one []
# q. E# U/ _9 m0 A7 n5 T( a1 I% t: R! X$ C d5 h
set trade-record-all n-values people [(list (? + 1) 0 0)] o3 A) _+ i+ E( |* G; C
9 n3 x1 v4 y* O9 I/ o; y
set trade-record-current []$ [+ \2 k* q) y0 H% }$ G1 R
set credibility-receive []) n |, ?9 F% U2 e* A! n
set local-reputation 0.55 ~6 B# R2 B* J2 p, S! J
set neighbor-total 0
; x+ E% G, ~; d9 ?! nset trade-times-total 0
3 t; T4 P) O* [0 u5 Bset trade-money-total 03 o, E+ k" d1 k% r+ u* n0 U% e/ K! K
set customer nobody3 i/ {& [$ H0 V% P b
set credibility-all n-values people [creat-credibility]
/ w" [. |6 L$ r0 O- ~set credibility n-values people [-1]7 h1 M. P' K+ m. G6 U; m# G3 \
get-color
6 L& Y( S7 i) T0 u5 E% b( C9 j- Q7 u# I( g: w! ?2 |" U$ M
end" X4 R1 q! e. D; I
9 g4 x" @3 ?" y3 y( y1 c( a
to-report creat-credibility, w; v! y: i5 ]5 z: {8 d
report n-values people [0.5]
0 C5 C3 M7 h) _) I( M+ Uend. S- a% g8 b/ F
8 s3 f; R; r" k4 O. _to setup-plots
1 i1 L( ?8 X$ K6 q, X* g; `5 h/ z: J% a; L' w
set xmax 30
. f, @" G) p2 `; H8 ]* Y+ ]; l- n3 |% e. M% e# O
set ymax 1.0( `! m% u/ p3 |# ~9 D$ M
3 C O0 r: X9 l8 X& aclear-all-plots
+ U' L q P a% p) h% k) m- D) z: c9 z- F! E6 b) g! V
setup-plot1
# g; u" e5 z8 G6 w% B
0 j% H( @+ X9 R* |! p4 z, @setup-plot2' g9 ? G/ o" R) m0 p
4 ]6 b2 a+ H+ E5 z0 O. bsetup-plot3
* P, X8 p8 u% Wend6 a; t: V1 }/ h4 \
( s( s4 Y% Z1 o v;;run time procedures2 H: o0 {. A4 A) }
t: s3 j' q! v& ]5 V% }( Pto go
$ K# v# D1 Y$ ?! ^0 f6 v
: `2 n- q& R0 v5 j. \6 P4 Lask turtles [do-business]
9 \- K! D$ T' p$ l$ C, K, U$ aend# M( T- f3 r, [, W8 X
6 P3 g9 u3 ~, K" _6 ~
to do-business
, I+ Q+ p; ~; Z' ?8 n0 W5 w3 n$ z0 e6 d; G( d, N& b3 E# @" }
3 a. [; W; l% n4 h" brt random 360: b6 w; i6 L3 V7 O/ g6 a! c
; U3 S8 x3 P8 e, I3 mfd 1( P$ v2 I. D/ N2 e' E
. v4 |- e2 i: I Z$ sifelse(other turtles-here != nobody)[5 w" h* Q9 c1 \7 t _/ l/ X& s
% U# K2 [+ Y2 ^8 N
set customer one-of other turtles-here, l3 m! b# Y- {8 {( e2 T6 U
0 j7 b2 r) e8 R; |3 Y8 p# \) @$ g+ |;; set [customer] of customer myself( L. [! ~) p& L- j9 J
9 \/ v' Y: u* n! x- Z4 ?# Oset [trade-record-one] of self item (([who] of customer) - 1): e& c' M. g* S1 Y$ X7 A
[trade-record-all]of self
& {. n+ O4 I- M1 C$ S" k% T6 \0 B;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self& i7 z3 ~6 S0 D- Z Z V2 _# R( f
5 Y0 P8 p" q3 K2 T9 B
set [trade-record-one] of customer item (([who] of self) - 1)
1 d. w9 }$ @! O* j[trade-record-all]of customer
' l" B5 P* [- H/ w$ ~% z C, F# t4 v( D0 }# R g$ |- l# p4 X4 ^
set [trade-record-one-len] of self length [trade-record-one] of self
2 {" o9 Q% m3 g9 F
& d& D! ?6 E( _2 w6 lset trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]' b2 X0 _) v: ?& f. M
;;先求i对j的信任度
' k% ]2 ]& n1 }" Z0 L( b+ L5 h" o" g! C, c. F n& M% J
if ([trust-ok] of self)
% q4 m6 }# k; d4 W( P# Y;;根据i对j的信任度来决定是否与j进行交易[
$ S B% Y) i' C q- lask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself, A9 F2 {! j- n: q, q6 }* A
8 u& E; g# B/ _7 @3 f) _
[8 v4 \1 K" c, I7 O, f: `
2 k7 A. q9 L: M5 ^2 c- ldo-trade
& h0 h5 D, a( k
- q1 _) ]( `7 g+ \; U3 r6 Nupdate-credibility-ijl
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update-credibility-list6 }5 m5 ~ r8 {0 F- ^6 J
9 b4 u6 n9 C3 T1 X- ]2 }6 E% ~2 n1 l( R
+ N0 Q5 g Z9 _/ C5 A. Z. Wupdate-global-reputation-list6 d1 v/ _, U- X4 T5 f8 C. E
! Q$ T- Q5 U0 @' v2 G+ S2 E
poll-class3 a8 h4 _0 g+ T
. w" _& T& Y. u8 w- h8 B
get-color7 e6 e1 {/ @% z8 `
- w5 S' c/ ~! q& v
]]6 i- ~ V3 y" @: P
$ M" I( o; i' J+ V7 s;;如果所得的信任度满足条件,则进行交易1 T+ O3 e' r8 Z; [' \
4 D5 B9 d+ s4 c# |: l[' t, G, N! D1 j2 f
) ]. _1 A: a6 N8 v* h* prt random 360; l9 r2 b+ [. R7 q
; z5 D) N: y8 Wfd 1
' ~( C7 D' N0 h. H" M6 T R9 @! D& k* Q1 v! {
]- \. V) C U f8 M
2 ^. v8 g# Q5 d" Oend
, A `1 C6 t7 a4 l
: A1 |9 p% R- G9 W# ato do-trust
: \$ O" x& R( s+ G5 Z8 @, gset trust-ok False
# z" `5 _# ?; l9 n
9 t+ m" |! G' C4 }& ^- O
+ h& z$ v" s8 a) d- S/ p. C/ Z4 Olet max-trade-times 03 b4 L3 @2 f a! v
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
# Y& d! J+ r: x6 \/ s8 Z2 o8 Tlet max-trade-money 0) A- K R5 P/ ~6 j5 D
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
5 a) V1 R1 R0 T0 N) p2 @) O7 Flet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
0 _# U$ {( \6 H2 o% h5 M
" ?2 W. B: p, w% _% H* R: B' C3 j6 U$ H2 t: h
get-global-proportion/ a5 b% [8 j- R# i" ?% d
let trust-value
3 V5 f8 G$ i5 L: Y& p$ c9 m7 klocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)/ U% X0 ?1 m7 ^- }
if(trust-value > trade-trust-value)
/ J t" A: T% C( T( J1 y* u. T[set trust-ok true]3 Q' n( ?2 g, m& c- ^8 t$ H) C
end
' C+ b: m- C- }/ l9 M: Y( c) J1 V# h- U! ~- I |7 S& B
to get-global-proportion8 c, R% X2 B- h8 g
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3) d# ]+ X9 a( t
[set global-proportion 0]
( z9 f" b- g" j3 Q' f[let i 0
" c" u' u$ w3 y; H4 Zlet sum-money 0. ~6 E3 i0 ]" @; o5 B4 x
while[ i < people]' [# I" I2 w% N9 M( P/ n* C3 r ?
[
) a3 r t; @4 Uif( length (item i: G7 X, Z$ P5 a7 x, b
[trade-record-all] of customer) > 3 )
- M( v4 J. L7 Q[
1 {+ P0 U; J' j6 Hset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
3 F9 G, {1 w @( R$ a" \]( Y# V# H6 _+ c I
]
- v9 G% Y* f3 |/ \) [. J2 W, h7 ]let j 0: t; J* R4 x+ ^1 g7 e4 |
let note 0
- {" g0 E! ~- F+ J. bwhile[ j < people]
$ N2 E% R9 b7 N K* b[* x3 @( S) |5 R. ]( Y
if( length (item i% @9 D/ g$ \4 O2 B! z0 a
[trade-record-all] of customer) > 3 )8 Q2 H+ d1 h3 l k5 `- Y& U4 _
[- Y; Z) w8 h) ]
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)8 g) e2 \; h2 d9 }' R0 W- O! R
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]. U0 O: q1 u( M: v$ d
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
2 f2 Y. a0 O V. ^/ K8 I]
# r9 u& C0 }6 [" D1 V# g- V, N- Z]
8 j0 e/ \- N: X; V* Bset global-proportion note
7 S' N3 a+ i2 Z/ Z0 ^! n- k]
% d( C1 S* s4 G, }+ Y" mend- c+ z$ R) B; {" B5 Z
* } {" E& l" P. J, Tto do-trade- P8 D/ k" ]( f I% f; V
;;这个过程实际上是给双方作出评价的过程
# M' M- u" i: C, z4 E7 _3 m7 fset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价 l. M: f( S+ U) |! w* T
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价: _0 s2 F5 X5 a7 G ^
set trade-record-current lput(timer) trade-record-current
& b; ~# J z1 V/ ~;;评价时间
8 G- W s7 a& `ask myself [( Q1 ~ X# u1 J Y6 p
update-local-reputation
# D! |8 x9 A6 w6 |' }( |9 Hset trade-record-current lput([local-reputation] of myself) trade-record-current1 g9 J: I( o. e! z' X L' U
]+ C r: c! }) ?4 D/ |
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself, U7 G( `9 S" a! w4 Z8 S3 U- P
;;将此次交易的记录加入到trade-record-one中4 ~ ]6 v9 e, e; g
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
; F8 A( D& u( x- ~" v+ F# Tlet note (item 2 trade-record-current ) h, P% }4 J) u0 r8 n' K: x s) u$ n/ M
set trade-record-current
' m4 a# n; _: i& C0 H2 I. P(replace-item 2 trade-record-current (item 3 trade-record-current))
* N0 O. l& M gset trade-record-current" l) C0 G3 s" s) G
(replace-item 3 trade-record-current note)! c0 @# v' F" x# `' {, b
. D5 D. r( @& X P- `; ]$ e! w, l) ~8 {# r
ask customer [
2 W$ r0 x( `; z6 ~; mupdate-local-reputation1 V! M- l; v& g: v. o" f
set trade-record-current
$ r# G+ {0 P" y$ `8 n* G- l, E(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) * t5 D$ c0 y& f* ]) S# a, t8 `' { R9 y
]
( n& w" v6 e7 |( w4 E, T' O% L% _* I( @$ P7 j
7 L& x) Y9 ]) h' {set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
; X( {/ Z; @* {, `' M, u( T9 Z# y' d6 O) O9 n" m& P/ D v
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))( B5 H L# q6 n' G" }
;;将此次交易的记录加入到customer的trade-record-all中7 W( w. M1 a7 k8 d; X" O
end6 {1 { Q$ S5 _
, T) a0 W) j' a# o( d' m5 v+ f
to update-local-reputation9 _9 M0 `( Z) L0 U4 P4 w
set [trade-record-one-len] of myself length [trade-record-one] of myself' R U1 u: k! i8 b+ W4 M
6 \" X: F3 n4 f) N- Z, p) C* c6 t8 r# |, Y! A( B
;;if [trade-record-one-len] of myself > 3
8 i+ G0 m8 x( C: K6 _8 j# eupdate-neighbor-total! [. M3 n: t2 V9 I7 m* J4 r) K
;;更新邻居节点的数目,在此进行' t2 X6 O* `2 r& _
let i 3
- V# Y! m: N& b+ ?- c3 `: V9 Nlet sum-time 0
, e+ `: M* d! M) u4 |. Qwhile[i < [trade-record-one-len] of myself]
5 V! z4 z% F8 w. M R9 E7 [[
3 J- T( x# Y% t! e/ d; Eset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )7 g4 X6 N- F/ Q7 L9 c( D( i' G
set i
. S) z, c* _6 [+ m( ]8 U: s: e6 `( i + 1)
7 G' y* [1 q) t/ ^( {! J]
% I- Y" ]7 l/ [4 W5 L# T& Qlet j 3, a4 o; n" Z* `( n' N* C) o
let sum-money 0
' d! R& ^6 R' y0 Qwhile[j < [trade-record-one-len] of myself]
. a/ g' t( T0 @/ n3 ~8 L[
2 _6 A1 \3 i1 F' P% Kset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time); P d% x: g+ d' K3 ]
set j
$ g4 D. f2 V9 K2 A7 C: \( j + 1)/ y2 E {6 e0 O' X T: o5 d
]
! z2 [+ c8 @) Elet k 3
: ?* ]" n4 g5 c( q% Ilet power 09 W; V- d* U" ^9 D4 @ X1 L6 @5 J+ }
let local 09 W2 _ I$ B- V- h& a
while [k <[trade-record-one-len] of myself]5 w* Q' Z# |8 l: Z* |# I
[) O. N: d( Q6 u2 @- s; j6 s
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)
) C/ Q7 O. @) A- mset k (k + 1), u$ M: v- g: X) W$ G2 k
]& {: ]/ e5 e5 n5 ]: l
set [local-reputation] of myself (local)) G1 k1 }( _5 y! W4 r' F
end
4 p/ J3 G" o7 h: v* D9 `4 Z+ i
; J D. D/ S" t5 v% @/ G. D2 fto update-neighbor-total7 X/ J) b2 p7 ?5 V; C- w, ~
5 m+ t" g! b! X+ e+ Z) q' l8 w. h2 jif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]9 V% g% c: n, J' f
: Q w: s% F! F; E# J5 o5 G! y
6 R: d6 n! u/ ^2 t- d/ v
end J0 @2 _" {5 R& f
6 b3 a- e1 ]; D3 Y, n
to update-credibility-ijl
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;;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。
& @1 z3 @% }6 u6 n) flet l 02 i6 ]0 C+ G. Q5 P0 q, `/ ^( S+ v
while[ l < people ]4 n1 x+ Z5 \: o0 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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)4 M+ L# X3 p- j$ I7 Y2 v
if (trade-record-one-j-l-len > 3)
* Z; I1 P4 x0 s. `4 y. J[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
/ Q5 a5 y9 `( j4 N% [let i 3
+ B* Q+ r7 E. g6 ]let sum-time 06 f$ y' x4 ?0 L3 B
while[i < trade-record-one-len]
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$ G$ d7 ? V& `3 I& U0 O- hset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
8 i) O# O y: y6 O( H3 Cset i, g% b0 o, r( n. ]
( i + 1)6 r& R4 }+ M5 U% {$ j7 f4 y
]
. r' D) J1 ^* A) m/ d* w2 p$ zlet credibility-i-j-l 0
0 ?/ _7 X: C; T;;i评价(j对jl的评价)
4 z4 j8 ?- V) }0 ?! _7 K8 Wlet j 3
( [# o' M. B$ Y5 G1 tlet k 4
" \+ [) I7 y/ t. `1 r; cwhile[j < trade-record-one-len]
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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5 H* m$ G. C U% l
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)5 v% z y5 c R" z/ P+ D3 ?" a
set j
0 D0 ~3 w+ L5 ^6 i+ J6 W( j + 1)0 Y' N! E* W. s y, {, ^% m5 q- f
]! P* C4 h; }9 [- X& S" G# X
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 ))
; ]8 u H# y' ^: h' K' Y
2 B+ r# S. E% d! r I0 d9 t
$ r! W8 G" \8 ]let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
1 f/ N# N$ {" ?5 U# D7 Z9 U2 i;;及时更新i对l的评价质量的评价4 M, H$ Z- J. F+ X' r/ o' h2 ^
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]# O o" M1 w4 a
set l (l + 1)7 o5 L! J7 q V9 R
]
0 d# I9 {0 k `# Mend2 `6 h: k7 @ A' ?& d% U
' q# G2 W$ W) N6 h+ I mto update-credibility-list
. o) j) S, X8 Nlet i 0+ ?2 }8 Y3 R. Z: ~0 ?( I
while[i < people]
2 F$ ?4 b* {/ m6 V* \[
; t& @! @6 C6 @6 l& T6 Glet j 0
- V9 h5 l7 l. Y! Alet note 0
- r- D% e* B* g# f! C. e+ a6 V0 G' ~7 ~let k 0
8 }+ o( J* W0 z# V2 n;;计作出过评价的邻居节点的数目. w% n5 D1 K+ a- y: e. U: ~0 J
while[j < people]6 J+ K$ G6 a9 i) ]% O6 s
[
: s1 P! D9 y4 G* t9 m- N! gif (item j( [credibility] of turtle (i + 1)) != -1)
. Y: E+ S( i9 o0 v;;判断是否给本turtle的评价质量做出过评价的节点
# B8 U) W$ @4 @6 V: i. K[set note (note + item j ([credibility]of turtle (i + 1)))0 z) N! ?7 Y! n( @1 J
;;*(exp (-(people - 2)))/(people - 2))]
( w9 P Q9 ~0 R- [+ t" Qset k (k + 1)/ {6 C% D% B1 V
]
# d* K4 }8 w" ? [! zset j (j + 1)
$ y8 Q. ~- G2 P. L# ~" X]+ y. F7 M6 ~# B/ W# j2 Z2 ^
set note (note *(exp (- (1 / k)))/ k)+ M( j8 c$ g' l
set credibility-list (replace-item i credibility-list note)
) s% q# U+ ?: P- W2 L Pset i (i + 1)
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end
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to update-global-reputation-list0 T' V; ^; ^' d+ o6 u; E. ]
let j 0. U# {# ], }1 l) [/ _5 P& D' y" S
while[j < people]* x6 T4 c+ {6 ~% L7 f! u. e3 d
[ a4 k. K. z9 v3 [. a ?1 B, A
let new 0/ g" N4 e2 W0 g5 |
;;暂存新的一个全局声誉
5 l4 B0 S/ u! \' m olet i 0
0 `8 Q" a' N: G% z5 rlet sum-money 0- u) l- H- y0 f8 d+ F$ Q9 g
let credibility-money 0
2 W/ K# ^3 ]( `4 t" i8 xwhile [i < people]
2 \0 o+ }/ N- I[
- @3 C1 K6 o# M8 ~' mset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
' N2 O$ S* U, V+ U# Xset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
) \/ M X+ c# \# P5 \7 q7 xset i (i + 1)5 V/ \& \' T G/ _! D, G- d
]
& }1 Y( F$ Q/ {* Klet k 05 ~; K) \+ _8 o [5 r$ y
let new1 0
/ z& o' D1 H5 d+ Zwhile [k < people]
& Y6 y/ P/ D/ v6 Z/ h[
+ S2 m. H: {& R" Gset 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 o! _# a l% H$ Wset k (k + 1)
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/ Z/ d; |& F2 B0 o) h) @ v9 c/ `set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) - e+ u# {) N2 t* l( i8 A+ H
set global-reputation-list (replace-item j global-reputation-list new)6 q# j! N H8 |6 L: u
set j (j + 1)
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end$ f* b) X, N: W5 [& m
# b" ]7 E n: ?7 k
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to get-color
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- N; j! A: s3 |; x1 Rset color blue1 k3 ~4 E1 Q; p1 ~* O# b7 I8 o
end. H' {) I( [, r0 Q5 W
4 r% e/ W' r2 H% D \to poll-class
! u8 @0 e# \3 k( N+ u2 ~! Vend
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to setup-plot12 q/ J! o$ y5 Z6 @/ _" n# j3 R
. ^: Y3 g, h* I( l& k) N, Z. Rset-current-plot "Trends-of-Local-reputation"* E( M7 t' p2 \" A
4 _/ Q% o& j E4 Y7 U9 O. D
set-plot-x-range 0 xmax6 }, N9 I7 \. s5 }
' n3 r- M7 `" I: O& U& w- @set-plot-y-range 0.0 ymax; M7 g7 t8 n8 f) [/ J3 d
end
: q# t2 K2 z; y* j7 @1 s
& d8 V; K. [0 }3 s: z0 Z% Eto setup-plot2
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set-current-plot "Trends-of-global-reputation"
" e8 d- J7 r3 D& ?( `' H5 C& g5 I; w! m% U( w
set-plot-x-range 0 xmax6 G" e0 L0 ], n1 G" O, r
. z1 {- R& n" {* B1 X( |set-plot-y-range 0.0 ymax% x8 K- z9 o4 Q% l6 c/ p* [
end
' l* r, d1 F+ C% P, T8 @& H
! A4 a* o, v% ], V) _* t K. {to setup-plot33 F) }/ [5 L y( a
1 a( A7 `* s7 b7 }1 ]set-current-plot "Trends-of-credibility", B7 m |- b! O' f5 q* j8 U
1 Z. n: u3 {/ Y1 T
set-plot-x-range 0 xmax) q D0 z0 o! S x
, }. K& e1 F/ V- |$ Jset-plot-y-range 0.0 ymax
1 ?1 k/ O2 B! Hend
: F( |- ~$ ?! S8 p. d* B( d2 _* i/ P3 J+ I* D
to do-plots0 _+ ?; B/ h$ _% ~
set-current-plot "Trends-of-Local-reputation"5 h& |/ f5 V( B4 V+ a1 g
set-current-plot-pen "Honest service"4 n W( X; z T& X* k! z! S
end1 z, { ]9 e, f% w& s& g
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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