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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
S, V. z2 ?" C4 }8 wglobals[
3 E; O( C( @3 j; I( `% Xxmax
# K) ?8 V. f7 E% r0 f9 q/ b- dymax
4 e7 t: k# f f9 ]7 u- \8 Uglobal-reputation-list
4 D- n% i1 E+ u& s5 G/ }
9 e9 E4 g( Y \! c* };;每一个turtle的全局声誉都存在此LIST中
6 k7 t. R B/ Ucredibility-list) F$ D2 ?( L+ `) h
;;每一个turtle的评价可信度
0 S& ^; J) p. l. y, h% ?- _% ihonest-service
4 b( @$ V! t+ Z; T' ?unhonest-service: B6 H$ h3 w$ i! Z( m
oscillation& Q7 a/ O5 v0 N: u/ {4 N
rand-dynamic t _; I: X2 U" E9 {* y$ I
]# L$ l8 Q. z- C5 g
( ?' _4 P X5 [; d0 k/ ?4 Z i9 Lturtles-own[3 W7 O7 t7 K3 L# @. u
trade-record-all
3 [2 R5 S: ]$ U) t* O, };;a list of lists,由trade-record-one组成: V8 i0 q: u' c$ z" W
trade-record-one7 S: f5 K2 M2 j
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录5 `: ~! E! `3 v( j U6 S
% ? v+ {9 K% H
;;[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]]& Z* i% Z K0 m6 J- {: ~
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]! _" ~. ~- h6 d9 z7 ^/ C/ g
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list6 E! d& R2 z/ I0 R# \
neighbor-total T' P5 s A5 {5 Z9 i1 C# L
;;记录该turtle的邻居节点的数目
* Z$ r+ ~' H; X8 X, Htrade-time9 m* B2 K! ]$ P8 D
;;当前发生交易的turtle的交易时间, U! Y# [( c: q0 S
appraise-give
* {. Z* ?: v \ i h1 b Y# F;;当前发生交易时给出的评价
, N1 D. f8 y9 w3 E0 _9 Dappraise-receive
/ j* G$ W; K1 E;;当前发生交易时收到的评价- T+ G) E' I8 m @2 S9 f7 {3 x" U
appraise-time7 W" o" V& {3 l; Z; ~+ E
;;当前发生交易时的评价时间
# p F% T6 Y( W: N% h2 _' Llocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
5 T4 P- @( H. |7 A7 U6 G5 D; Z( G) ~trade-times-total% z6 P, U6 z1 s
;;与当前turtle的交易总次数0 f" l( b* n! P! H) X/ j
trade-money-total
3 N% P+ ?- c8 M+ };;与当前turtle的交易总金额
8 Y4 A) }3 m% J& blocal-reputation
5 i) |7 [! B8 f: }global-reputation8 U- R- q- `: k c& H
credibility9 p ]! {9 g8 N S
;;评价可信度,每次交易后都需要更新4 B& t, s$ K2 h3 t
credibility-all
9 W; g! T5 ~1 |/ B: I7 H;;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: n! a& c5 [6 i1 D
0 P5 S% A4 Q9 O* o* 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0.5
2 z. y/ r) H0 |- Qcredibility-one
9 i1 N2 n' b C6 B8 ~;;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
" j0 k6 u: f! oglobal-proportion
! ?, \$ U$ ]$ b d8 ocustomer
# \! r R8 `- E+ ^$ s3 Ocustomer-no* K# Z6 ]9 i3 F1 \6 u
trust-ok+ \$ H" Z* T9 p% A3 ]5 k# z
trade-record-one-len;;trade-record-one的长度: o; Q1 {. R. e$ R$ b7 W/ I2 H
]
8 U9 d, w) Z, \) v: ~6 |: O$ L3 m1 B! I
t% I5 X; R$ I9 C8 X0 C& O9 ^;;setup procedure
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& [- X& |& F- n3 ]* b" N$ U8 t0 W, vto setup1 F5 T! [9 C0 C& Q+ E, _) e! q
6 S5 X F; h6 p8 v- z" rca
U1 c2 y e9 Z; u0 Q0 c+ V+ p0 X- f0 C/ X
initialize-settings
/ Z3 [. z4 c- A/ H+ j: @
) F0 E9 t9 E% P# | b7 q5 v( \; Gcrt people [setup-turtles]
% d9 V. ?- g/ j0 t% K' `5 \
7 x( L. v8 I% o$ O4 L/ |reset-timer
+ A7 X; f% D$ ]. |! H# m, F! @4 g( f/ X! N/ Y# b
poll-class
- V$ m7 p, e1 w
- F3 ^& z5 {# e) rsetup-plots
/ N& j% N) E" ], m* J8 C$ g) a# U- b: ]( ~- t% ?" k
do-plots% e1 r* B F; x& ]3 J
end
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to initialize-settings% N7 |0 J6 h5 k5 u& T
@) N3 I- T9 ^set global-reputation-list []
* H# p$ ?: D* t/ ~' q1 m! B& H" D& G& c
set credibility-list n-values people [0.5]
/ K8 @5 ?# R# a x/ o5 U6 O. }4 V- `3 A, }: Q# _
set honest-service 0
; }% y* R4 p( W5 Q' E2 f: ~/ S; `+ e: G" l5 v
set unhonest-service 0
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set oscillation 04 i( M$ K! r2 P% \$ ~* e0 z) g
) x9 t* \- q, K2 {/ y3 _& fset rand-dynamic 0
: Q5 \4 m% \" V, j7 e/ _end
" n" V3 a* g- N I) H6 \" P4 F/ L( x, F: s$ U
to setup-turtles
7 e, x, v, [& o4 P. n t* ?set shape "person"; Q$ X4 |7 n1 r; I
setxy random-xcor random-ycor
. H' g# x- G# t! w. @set trade-record-one []
* q# E. H: O8 ~
1 E/ y) \( Z! V# P, |5 Bset trade-record-all n-values people [(list (? + 1) 0 0)] 2 R3 w+ M6 l$ a0 N) W% ~
* K3 ~. i" S2 p& ?' H
set trade-record-current []3 C- |; A) f+ _" g: N! z
set credibility-receive []
( c; }$ R4 X- O0 U# N4 tset local-reputation 0.5
5 V6 U. m1 Y9 S$ r, \/ Jset neighbor-total 0
8 n2 c$ q" y! D ]set trade-times-total 0* d: H8 z. ], @! h( y, r9 J
set trade-money-total 0
+ P9 g4 _" @5 h2 }3 A' [4 fset customer nobody7 Y) G3 ?2 W; c; P7 O
set credibility-all n-values people [creat-credibility]
$ w' O# x0 l1 Pset credibility n-values people [-1]
2 O: M! j: U7 [( A- D; V/ eget-color
: z6 r& o+ Q0 Q0 z% x& S9 i' @, G2 T' F, q/ l6 r/ W# e
end
" M9 a( D' N2 h2 G. U; s7 L0 Y2 T D9 |" g4 M. _
to-report creat-credibility
: X8 Y5 k ]3 h$ |report n-values people [0.5]
& p9 ]/ a+ c- H: Y" z" B) i0 cend
& X7 r4 J4 W% r' U
7 n. V5 d% p) w6 h, L* k8 V9 i) Zto setup-plots
; j" d+ P+ a, |( P. X1 ?; ~
) z& N) n, p3 d9 Oset xmax 30
% A1 J$ b a6 `* S1 y5 K4 ?" Y6 n- K& d. a4 Z
set ymax 1.0
2 e3 \+ A& Q3 \' U) a- M
, P5 A" I6 `' qclear-all-plots4 e, x4 | `3 a/ c* q/ E
( M. d# j7 M- c! ^2 O, Psetup-plot13 T! K/ ]' q B7 k D7 z9 e
! n; v2 Y$ T5 E; s, Lsetup-plot20 B, C+ c! u1 @9 X2 e" z
5 i5 A( A) O0 _
setup-plot3
+ c. ^% G& E# a% B9 v3 ]end3 W( Z% V5 X, |( x9 d: z0 c
r: Y+ w& e- d9 D
;;run time procedures
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! [; K% f& C/ _to go4 Q0 O# @( I; U* j; `* O2 `, l9 ^
5 w6 T) f# E! I$ _2 vask turtles [do-business]
' l$ W: J+ @% K1 Z# zend
$ o& W! t* X% E9 c% J; b4 C0 u
3 j; l' g: G, ?7 Xto do-business
* i' ~! l/ [# { k
1 d/ [6 k7 ?' a3 X8 c; R( w4 r ?& p* J; N3 d# `
rt random 360& I% J- a" t# u0 B! G9 P6 T5 o
4 B8 Z# O) K1 n" K6 rfd 1
2 ?( a% F) ~& C
( e Q7 o2 _: y; [( w* Iifelse(other turtles-here != nobody)[
9 _' K4 A! r4 u' t, ^. k
1 m" C/ u& z8 |0 D/ f4 R! c' gset customer one-of other turtles-here
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;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
- d0 D& v& s! g8 g[trade-record-all]of self0 W$ |$ z% A2 E; p# b0 Y3 i( F8 T
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
( a& W- O8 P u; _) a: x. `8 y" \" _4 O! C
set [trade-record-one] of customer item (([who] of self) - 1)
" a6 Y- e" x* d8 q ~[trade-record-all]of customer
: o, u7 b4 A5 L9 r: s
6 {; M" ?9 x) Oset [trade-record-one-len] of self length [trade-record-one] of self
1 E" w+ x& Q/ j% M: s( x
. r4 F( {% t0 }) b8 i3 A. qset trade-record-current( list (timer) (random money-upper-limit))
' j+ D* q( X! @7 U2 L& P
8 f2 j% n; K3 N% E' b0 lask self [do-trust]
( b6 y" e+ n1 W I;;先求i对j的信任度
3 O( ~2 p( M' d" v0 W, P( _0 c. X, x; {
if ([trust-ok] of self)# T3 z" Y3 [+ F* [
;;根据i对j的信任度来决定是否与j进行交易[2 T7 B: E8 O" F' Z
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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' _3 r( R" Y( p& u[; v5 V9 x. A" T
, q4 }- a" O9 N5 \$ L; C5 I D
do-trade
3 H* B( w( E5 u; G, ^. G
! V* _$ N+ {$ M# B; gupdate-credibility-ijl! W3 }6 I) l5 g3 o* F* O: O2 X
! v$ _# Q! z. B/ S. y
update-credibility-list
" d/ i- h4 o$ k, L+ R1 j
6 g& h8 g3 X! k/ J _* ^! d! w$ ]' }
update-global-reputation-list* e/ q2 J% N9 V, m: J
& L$ ?* H( X' k& n; T3 j g8 s1 jpoll-class
4 W! k. H# z4 a, \7 A4 W
$ r) a: X# L# x. Eget-color
' Y! g+ m1 q! |+ p4 G, N6 @. U9 c( W# C
]]9 r4 L* x" i4 h$ O' {. Q! Q1 r
) W! _0 C$ U% g" h
;;如果所得的信任度满足条件,则进行交易
, k) O2 M2 X1 u9 I! r& O4 P& w V& x) Z
[
$ q5 g9 Y Y" H7 v* X
$ F$ S( [% Q s2 v& n# Art random 360
2 S" R/ X' Z5 J# v) O1 R
; N; S4 {+ B9 Q0 Xfd 1
1 V, u- G1 U3 O _5 T. \# ?6 f
7 H1 w5 A( ^; i- Y9 }: []
, ]6 A3 e) J" h4 P( b/ r
! g) _5 ~; p5 X# N Gend
) Y# f9 j: |9 i% C
$ T" l4 z. O1 M7 K( L( ~8 ~+ dto do-trust , q' `# a7 U& B+ ?; x3 A
set trust-ok False
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# r/ G( O: x3 J/ l9 {
" l) E8 y' }9 e( @let max-trade-times 0* z; @9 z* U9 s) |' A! m- D4 n
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]1 A$ W/ y; f7 `; B$ b
let max-trade-money 0
8 Y1 |0 h: N6 ], W) Eforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]/ L, C3 D' w) s
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))) n7 f% t2 s0 }7 {. q) V$ f
% u! H7 D+ K0 k! m* L0 w- p5 G
7 k; P9 D ^$ e! Z0 x' kget-global-proportion4 `9 m& I8 j# _/ R
let trust-value. x }+ D- Y# I O7 i
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)
) H& ?* T' u% U C! Mif(trust-value > trade-trust-value)
@# ^; A F2 A, I/ T; K[set trust-ok true]
+ N8 d0 q3 U9 P7 Gend
+ U. o7 h. U5 `4 t* J5 r8 U! i! b0 `
to get-global-proportion
$ f- \7 V# I- V. J6 Yifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
8 i' D6 ^- X+ X Y. }[set global-proportion 0]
. ]( _" ]& O& u4 D[let i 0
, L$ D# a8 r5 w4 l5 K9 Ulet sum-money 0) E7 z6 o+ _8 R/ e$ O
while[ i < people] F! V' V5 v v L" [/ {4 P. k
[
/ `/ B: f8 M' o2 H5 Hif( length (item i
0 s) |/ C: b$ h$ f/ b' i6 ][trade-record-all] of customer) > 3 )( u- x, v7 o! i- X
[
- G- ?; D2 {1 \6 mset sum-money (sum-money + item 2(item i [trade-record-all] of myself))4 C# b) v7 B0 w7 H, t- B% i q7 n5 @
]5 I8 Z% w ]/ x- b$ L! o, M
]
" U+ j4 o/ I+ i6 M$ L2 F5 `let j 0, D! Q4 e$ R, v1 Y4 S3 K# E
let note 0
" [7 H s3 p9 V& V- l6 _while[ j < people]. F6 S" P5 i1 X% s
[
" S6 f! }1 Q: O, dif( length (item i$ k. @2 d/ h: T
[trade-record-all] of customer) > 3 )
8 N. l/ K5 V! s) |, I[8 l3 P7 K% Z1 T6 S
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)+ p" } w& r& H; r7 O& d
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]3 N; M* Z2 e. n! w G, S) N' }" P
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]# i, M* `2 E$ T4 n
]8 L2 t8 e8 ]$ i/ Q9 F8 h
]8 K2 ]) N/ ~; u9 A
set global-proportion note% B8 ~0 f) Q s/ ^; J# G& m+ j
]
$ H. D$ j/ t% l4 Dend
* t; a1 y- {6 Z5 w" {. ^' L- Z. h
to do-trade G' B6 M/ M2 Y1 O" N
;;这个过程实际上是给双方作出评价的过程& _- S& w; r0 a' t# P# \
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
/ I: |1 @* F& z2 L7 Xset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
/ ?( H0 t o1 e1 }1 P2 Pset trade-record-current lput(timer) trade-record-current% F; o O- I$ M: n0 S
;;评价时间& A: U8 w5 Q1 G1 V% b8 A
ask myself [4 @0 k. y2 d! |9 D
update-local-reputation
+ o! `" {) N# V/ dset trade-record-current lput([local-reputation] of myself) trade-record-current: J$ t7 ?& z5 B& i' A
]
$ \' @* k. r, L `- v# oset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself) G. z6 \5 _2 B! l# u6 x: |
;;将此次交易的记录加入到trade-record-one中
0 h3 y: @6 `2 L: p$ H- wset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)- @# s1 ]: ?$ |. X8 `
let note (item 2 trade-record-current )
, @7 V9 z8 P- Z, O& u: Q7 {set trade-record-current& F$ ?* N. F1 M! E( \2 s
(replace-item 2 trade-record-current (item 3 trade-record-current))
! V! ?' g* x+ H6 W8 O$ W3 kset trade-record-current* ?' `( ]3 W+ L6 r3 }0 n
(replace-item 3 trade-record-current note)5 I2 Z) i+ z. n, h- Y9 s+ O
% E3 B4 Z; {6 }% ]. d
0 Q8 ?' n( p! Q8 [* y
ask customer [
+ q5 L2 y, I) V( q5 j8 Hupdate-local-reputation0 b0 B% b1 A9 p. r
set trade-record-current! u/ {; |' C2 w8 E* w
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) + }7 `$ O) C7 ^" F }- }& M
]
1 Z/ ]. S3 \9 e; g. I) a B8 n
7 ^/ D7 T" @( P0 {4 ?2 a. I+ G
# s U. Q2 j9 J4 Q. c- T; `' `set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer$ R0 U' Q1 u; g9 Y3 ~. j( C1 ?4 Y; N
3 D& m. o/ x* P$ s: bset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
1 r2 ~% G& y3 E5 G2 y$ g;;将此次交易的记录加入到customer的trade-record-all中2 y9 @; Z, f+ r( Z/ F v: J/ G3 _
end8 a$ Z E: D8 w
" t: w) T* L4 j6 y- N$ _to update-local-reputation6 d0 d3 Y& c% S) S/ N4 y; t$ O# t
set [trade-record-one-len] of myself length [trade-record-one] of myself
& Q- g8 m; m% s+ n# g; f" z5 P
2 ^& a$ A+ h( o/ y4 A+ _3 a4 g) G, Z" A& a# g! t
;;if [trade-record-one-len] of myself > 3
7 ~3 k8 X/ D* n, ]- Cupdate-neighbor-total
9 t$ q4 x9 J+ x# {4 Z2 @;;更新邻居节点的数目,在此进行
5 [0 y( f; ]& Q' ?; B; [% Slet i 3) W0 V0 [4 B2 d) i6 S
let sum-time 0/ b, {5 a% g. K/ t% D9 {" P2 ]
while[i < [trade-record-one-len] of myself]' U0 A0 `5 P. I4 _+ \% ^8 K
[1 f7 l' t4 N+ N; L7 Q0 n' }
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )6 R3 V- v$ t8 W7 i8 O
set i
2 _8 T c4 Y- Y. J2 z% _( i + 1)
y+ t$ p- k2 ?. ^]; j( M. y w/ T* l
let j 3
0 J: P A/ J1 R; m& u7 `let sum-money 0
8 O E: M8 @+ g$ B7 q/ nwhile[j < [trade-record-one-len] of myself]% e& P' c5 H# v$ h9 L, T
[
0 N$ I. @! @/ 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)1 N! v) H l; O$ b" ^5 d1 N
set j
# l; `, K. k: X% W, Q8 |% r: k0 y8 w( j + 1)
& u' n, D+ e# u, w3 \; T]
- {; t: c( o/ W# Rlet k 36 U* S1 d9 @9 m
let power 0
2 J v# ]2 X- J" Wlet local 02 e2 { f9 H+ R4 A1 [
while [k <[trade-record-one-len] of myself]) @7 z4 \" E- \+ s1 K8 l* _2 P
[9 U; N1 }; T0 ^) U3 y
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)
9 }3 t7 M9 p x0 Q+ a5 W1 @9 Eset k (k + 1)* i7 S' f0 W: O M7 }9 H4 v, r |
]9 ]' K. J7 F1 h' o
set [local-reputation] of myself (local)/ x6 \7 N6 O9 {: _0 Q4 y4 ~
end
" P+ c) |+ R. S! N$ z
' R& H! [" W5 cto update-neighbor-total6 V& R4 b8 R0 g# l7 o2 t9 I
8 c, Y: p# g: n2 n: z7 @8 ~" jif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]8 f$ O2 d8 a# _& C0 a( D% H
# a. ~. v9 P; e6 C+ n: ?
! t1 R7 `5 B& F$ D/ O' Kend
; }& e( J2 z- M; v4 h" j/ y8 q. a! O1 C6 q8 Z6 d
to update-credibility-ijl ' \! Q/ A& Y2 f4 V7 I2 R L
: t0 V; u" c- g* k1 [;;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。
; \7 I! r; z& e' z" clet l 0
[0 _6 }. Z ?) u' ^# wwhile[ l < people ]
# _; s. A4 ]+ v! e/ P;;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
8 s% N; Q# C- d8 A! a[
" L9 U* \' Y1 alet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
: o0 ?3 o- u5 u; Sif (trade-record-one-j-l-len > 3)
" B( P7 `# F& I4 G! K6 U0 h[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
' |) S2 I, `& s( P$ ]let i 3+ X+ F. o# G! C
let sum-time 0* q" b0 G f# A# t
while[i < trade-record-one-len]
; x# v& f5 l o9 I! n# ?" {[
# f' E3 ^3 t' O6 Gset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )9 Y% S3 }6 s5 Z6 Z* y9 A" ~
set i
, t$ O0 p$ }! S# A, {" G0 X( i + 1)% N7 P) ^. _' R8 X/ W
]
6 b, l8 g1 O+ B; L% ]let credibility-i-j-l 0
( r- b" N, H! V+ a1 z9 l0 x;;i评价(j对jl的评价)- }- W1 }3 q( Y/ T
let j 3. r4 c. `8 n' H2 V( V* Z
let k 4- ~/ o. r; D& L v# C7 [ V
while[j < trade-record-one-len], c, K. I- r: A- b5 i
[
3 |( c T3 [; i+ a0 V+ |( w: E7 Nwhile [((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1 t( e& f% v8 c; _2 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 B" S- F; z5 ?set j3 r6 q8 y) K6 U$ P
( j + 1)
\/ p% ]. M8 M+ m5 H+ g! W" h; t]
$ g, Z0 c$ r7 [. |; G! 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 )), o8 e( z# w* M) D! c, [" B% {
6 b( Z8 s4 U" w2 d$ F
5 ^# m8 K+ h+ [6 A2 h
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)). k5 L* r* T4 g: ~, V' Y
;;及时更新i对l的评价质量的评价
) c% m5 M# Y: p7 n9 _set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
2 `4 Q# M) M3 f* K' {8 tset l (l + 1)
( F. b; `6 q% J& c. z]2 l+ j6 {7 D- a5 K' F3 K
end7 z% t2 k5 ~3 I! k9 U
( u/ |3 a. g# P# M; I
to update-credibility-list$ L1 y( [* l0 ?; ]6 `* D
let i 0' @2 s: k3 T7 }: l3 c
while[i < people]
5 u, j2 B5 K4 g" F[" E/ W, e( Z( O( I
let j 03 S( m {) {5 X$ |. I
let note 0
; e! s5 [8 X9 d- I# ?4 `let k 0) B( ~8 q5 l+ y
;;计作出过评价的邻居节点的数目6 j7 u/ `, L; F0 B* K" b/ T
while[j < people]
, x$ s, F6 A" r) z: Y/ B" e[; W4 S: K& |' H7 v/ S+ U1 }
if (item j( [credibility] of turtle (i + 1)) != -1)
, K$ h1 `) v: u" C* V. R;;判断是否给本turtle的评价质量做出过评价的节点
' d" `5 G3 }5 o2 F. P[set note (note + item j ([credibility]of turtle (i + 1)))
5 l/ D: i# |) [" b;;*(exp (-(people - 2)))/(people - 2))]
/ ^9 d9 h7 t$ J! i7 K& Mset k (k + 1)! X- ^0 ~; }" M# z3 f, q% O2 y5 k
]
) A, n9 K0 u# K* c( d3 l6 Uset j (j + 1), X3 u- z# N0 C9 U+ V- ^6 b
]
5 M) u S, Y+ p6 bset note (note *(exp (- (1 / k)))/ k)
" c1 d) t+ ^" m6 Bset credibility-list (replace-item i credibility-list note)1 L( h' V+ C a! y1 N
set i (i + 1). z5 G7 T# G" H% Z: {% S1 t
]
+ b8 b8 H1 n- y t( f/ {& _end
& B& u+ t$ c4 s' ]) ~& e7 q. G/ F1 O
8 `; m0 i& F2 Ito update-global-reputation-list" M2 a8 s0 y' [& V/ U$ n
let j 0 n: R5 S' ]$ c( ~; E
while[j < people]0 v \& e9 M" x9 @4 b
[
; P+ s6 h+ b9 F: S6 }& Dlet new 0/ _% D5 I6 u) c1 w% X
;;暂存新的一个全局声誉" }0 ]# a9 k2 n: [$ f
let i 0
% I S+ [4 h# ~- ]: W9 M! R+ blet sum-money 0
, y1 ^; }& c% a+ I, Alet credibility-money 0$ e! @* M0 T; j7 E" \2 S5 b6 R
while [i < people]: M7 y7 T# k# [- \2 t
[+ Q: F8 V" Y) l2 U$ F# @# u. R7 g
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))2 }+ @* K) ]/ O
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
! O, G2 O) G; V a: _, ~set i (i + 1)/ j# ^. T' F5 J/ o
]5 U' X( A- H* Z, R8 i+ N2 }% v3 N
let k 03 Z3 |2 |1 ]$ B# d
let new1 0
) r# x L0 e0 r( W5 D8 Dwhile [k < people]% K4 I& n \3 S! L" G; {/ a; z
[
( t7 K9 s2 A% d4 pset 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)0 x1 I; O& L5 s1 L: B
set k (k + 1)" l! R& n3 G* C: ~5 Y" O
]
3 b( F3 p3 O( D8 M5 vset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ) }8 l9 K7 k5 A2 W0 O: f a
set global-reputation-list (replace-item j global-reputation-list new)
! x- U: X" [$ g! ~# N3 J/ q s0 Wset j (j + 1)) X- G1 ?0 C L* _6 ?
]' i/ q* l0 @" s( u# L: S
end7 V" n. k! N" y
5 e9 w$ }6 ^6 s) F8 _; g8 i
* P4 h7 C: o; ]3 Y; x4 C6 F! ^# [% r$ M8 m" A/ z9 a d! _
to get-color
& W0 E5 u& X. ]2 g4 S4 j
8 y) t* l3 p: {& X0 `* j) Kset color blue
1 U3 g7 b0 q9 h7 D2 Uend
, N( X; n, G7 C" p
" u' j H3 h; N5 F- {1 u+ A9 V1 uto poll-class
- o/ b R" ^4 V9 }end
1 y( w# Z9 D% F6 n3 ~+ I. ]
1 p1 r0 K" `, `0 |; d% C7 Uto setup-plot18 Z: U4 [) V6 }7 l- ~
+ d5 E( o& N5 E& ^: x+ Tset-current-plot "Trends-of-Local-reputation"
) G( p$ T. I& e r) e4 B- @, l7 y- e' ?; i9 }; i F
set-plot-x-range 0 xmax
3 B6 S5 e4 r" ]! Z0 Q& w* b# P7 P- ~. O# p. d5 Z2 P
set-plot-y-range 0.0 ymax
- C- @. \. \2 n7 ?: K- v. s9 ]end- `( |' q$ c. W8 B j g
2 G( Z% _1 F Y d
to setup-plot2
# ]& P R' F4 m) U5 g) m R& z: h% D1 p# W l! |: ?
set-current-plot "Trends-of-global-reputation": g3 j5 z9 x/ y/ m/ x- ~+ |( ^- X& y
( d" R B: ~4 T8 }9 W3 p
set-plot-x-range 0 xmax+ v2 ^; j$ g$ h' W: L k; p# ]2 k
' Q/ i& s9 r) Fset-plot-y-range 0.0 ymax
$ n4 t; T2 A {) g5 z; ]1 wend# {8 \7 g7 m% k) l& z" S
( f5 R4 m/ g, [* A/ s' Mto setup-plot3' J* [+ R& t, p! X# m
: Q! i5 K0 F# z
set-current-plot "Trends-of-credibility"
0 F6 R: L: A: V8 v1 ?# S
6 V( A4 r3 k Y% r! sset-plot-x-range 0 xmax
) M4 ?3 P& y$ f2 N0 V; c' d2 x" f- d# V+ @7 w
set-plot-y-range 0.0 ymax
1 ^) u$ a- c2 A5 n% h$ Zend
5 v; Y+ p0 G! R( ~) z" l+ m
2 P' ^. ?! m1 e. Vto do-plots+ A1 R- z5 v4 A9 m: p3 c: T: u7 q
set-current-plot "Trends-of-Local-reputation"
# c9 j" u& p; }/ O7 \9 p% Uset-current-plot-pen "Honest service"% v( G" |0 @7 V" |* G
end w# q$ {3 X& }
1 ^7 C5 U9 ^; O. y, q[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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