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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
* ]8 T s# o- f/ x0 d) c4 O8 Kglobals[
8 L: o5 X+ v" @0 J1 s7 s% Y8 Yxmax( D$ D* }3 W* }: u K
ymax* D1 M1 w* I0 W$ u! I( t0 R
global-reputation-list- N6 ^ D; ?2 C+ k
9 U" X% K/ a2 Q4 ~% K7 t. t# f;;每一个turtle的全局声誉都存在此LIST中' r& \5 { N( l0 x+ P
credibility-list: Y' ^ \/ W& l
;;每一个turtle的评价可信度7 l2 [# |/ E& `3 z( j# `' U
honest-service
6 x( M$ z+ D* i, y9 iunhonest-service) ~5 K9 ^7 Y: U7 y2 b
oscillation1 ~: o6 t- E$ S2 E1 b, s
rand-dynamic* X- Z6 [ i7 G y
]
( x6 ~* p0 {$ a! H, D+ s0 B: V: k+ F
turtles-own[% E* b; h; w; r6 h$ b
trade-record-all
% O* \# L; i( U \;;a list of lists,由trade-record-one组成
5 W7 K \" B! d* | d, i/ Etrade-record-one
( L7 L+ B s- n; R) i# d9 v;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
/ ]! w% |' E" [$ q8 P- ?
+ u7 h9 i( `/ |;;[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]]
) r; b7 k; E2 ?/ Ktrade-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]
0 j' Z9 l2 Y( C9 @% `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
8 k* x% H! [2 R2 W7 r9 p8 @neighbor-total. _3 @' {& u# J5 N N, M2 U
;;记录该turtle的邻居节点的数目: V' H6 d( P* [) ]
trade-time9 i ~+ z! r& x; `/ \# q5 v
;;当前发生交易的turtle的交易时间9 H7 J( t' D+ `9 j) B7 x3 i) e
appraise-give
6 y8 H1 t# `+ O;;当前发生交易时给出的评价% x6 I3 h1 B2 a$ q8 Y3 [
appraise-receive% ]( R3 j4 i1 r* w0 e7 u" N
;;当前发生交易时收到的评价
% {: o) \$ ]$ w+ E2 y5 ~3 \appraise-time
" |/ T4 U7 D F% t! z, x4 f. q;;当前发生交易时的评价时间
: h3 ` n( W9 H) e" m& blocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
/ Q- W7 \2 g# E' o6 @# l* ?6 `trade-times-total
+ Y, \5 b# v- I;;与当前turtle的交易总次数9 S' |& k2 U9 y3 W
trade-money-total1 C% _6 C) ]+ m5 \ F( m0 p
;;与当前turtle的交易总金额 _7 W1 A, J' X7 M- X
local-reputation* i0 w1 q" `7 U+ R* @, F( h
global-reputation5 B( D% A$ n4 [$ r4 d+ b1 t8 l
credibility
) K7 K |" _: }& v) ?- V( @" k;;评价可信度,每次交易后都需要更新" Y( ^$ X' _1 N0 l- m
credibility-all g j( K0 U$ y3 B
;;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9 l+ \* H. D) s" A6 I! Q
% Y* m* @7 H: Q( G
;;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0.58 g/ H4 Y! r# O
credibility-one4 Y) k- \) [2 B7 E 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0 w" N* z2 [* Y3 ^7 n- |3 L2 _
global-proportion4 o$ ?6 y. l, N
customer
0 g# ]2 V3 y6 n9 e' x1 L3 [9 x1 S* C+ wcustomer-no
/ P/ z/ M6 V( O# qtrust-ok
3 Y- X1 ^ _$ u3 Z% Atrade-record-one-len;;trade-record-one的长度
8 v; D, @" a! h1 C0 |$ w( C: m]: e. l* [7 j1 `& Y7 N( x h6 ~. V
+ [" ~) h. K$ z2 S+ ~, h# T3 Y
;;setup procedure' \' m- p0 m1 I+ w5 U( S0 S
( {0 R0 O1 k, Q- q& c. eto setup
7 O: a( W7 X. v
4 w8 n% |0 c' v7 P( Vca
3 ?- R: V2 m' Z( U+ A
+ V6 B4 j( f$ `8 G- Dinitialize-settings
3 ^! ?; h7 ~0 r4 U; P V& H$ f! T5 ?# |' U
crt people [setup-turtles]
/ t( h3 {# j) t6 L: L6 l, a8 Z% l$ Y; a8 W! u/ }! Q1 ]0 P. Z. X; C+ X- e
reset-timer$ }( j. M: a- I8 o$ e
" I8 e7 o1 {6 e0 }poll-class8 d& U& {" T+ o9 S
" G n# X7 H+ r/ ^1 Osetup-plots
$ Z1 D1 r+ }: v( ?; n
e- [. {& t. F0 _& I6 K3 [. G* pdo-plots
: v( f. h7 m# F7 n0 u4 g* I6 l: ^- \! send
/ d$ F3 s: Y. H4 N& J' @/ A
$ f" b$ W( X; Uto initialize-settings- @$ S- l9 [# i( `# \) j
: i& d ?2 g) E# z2 t' c( z5 o
set global-reputation-list []
! O7 a* D7 v% W* B& h0 W7 f% n2 X9 \* V8 l, d
set credibility-list n-values people [0.5]
, C9 @$ S3 i: k/ [5 }7 _- p% D: e* K7 N0 f* a8 p$ A9 i
set honest-service 0% T2 v/ o" A( J+ q/ o, o# [
* U/ n: ~- l3 u, Dset unhonest-service 0
$ i- [# J$ m1 W) P& \* Z. Y* V$ L) }* Z/ I, L7 }5 V
set oscillation 0, H1 w2 g: n" U: o* U- t
4 V2 @& p7 [3 T8 N. h3 \. y" J
set rand-dynamic 0/ W' {+ b+ Y3 B; ^. J, y) U' `
end; g8 t% U* }1 h: p/ j
) j ?1 C s: i `to setup-turtles 2 c. \% ?1 c K- }, n5 g" w6 t3 `
set shape "person"$ i# ?$ o: A$ \+ J, [! S; Q1 M. v
setxy random-xcor random-ycor
* _" ^/ G4 ^! [* Eset trade-record-one []8 c0 _1 w+ @& Z8 }
6 w' j: G8 o$ D, H: @# [
set trade-record-all n-values people [(list (? + 1) 0 0)] 5 N- o6 z. ^# v4 i. S
. P, p! T6 q$ | X5 C
set trade-record-current []
3 V" f s+ `! A6 g- d. t* f% Cset credibility-receive []2 \/ l* n2 t) g/ h N
set local-reputation 0.53 d C- Z( F3 g- s$ e3 P( X
set neighbor-total 07 y! ]+ z4 [4 I* _+ C
set trade-times-total 0
8 U1 B' f" r+ ?6 \set trade-money-total 04 J6 T4 n2 K6 Q, H" z, n
set customer nobody8 F/ C' n3 n5 \" t0 O1 P
set credibility-all n-values people [creat-credibility]
" F- k5 n( W* q. L( I# N( `! o2 O, yset credibility n-values people [-1]7 K9 w/ C$ Z* z1 f! x9 ?
get-color
) E i! |7 L# m' [3 g6 A
* I+ H' \$ u# R: a8 rend6 K$ Q/ e; j+ Y! m% I4 j
6 t' S) g/ H& o8 Sto-report creat-credibility
0 `- f# q9 l( u: Yreport n-values people [0.5]6 X! V9 N% O9 J, L# C
end
3 T$ l3 k6 Z5 b" e' N8 ?* F* \( s4 g
to setup-plots2 D K) C4 |, _+ J+ B! Q( q4 S
+ M% Q# b9 O4 j
set xmax 307 W7 g) M6 u0 @5 i' \5 n% n/ E: c
+ A/ B& \5 k/ P7 ^4 |" qset ymax 1.0
; u" n/ x9 m0 H% Q$ l; S# }$ m
4 D) I/ g {: d l; nclear-all-plots: d/ c: ~8 x! K0 U$ L( j: L( q
7 r2 l' y* K; V! Z1 y$ zsetup-plot1
* i1 V- Z; P& V. @& \
$ Y! f% r. I N& n, psetup-plot2, g! i5 H! i1 @
8 Z- m% Z" v% G5 `
setup-plot3
) |( p- ~3 U0 F5 [end$ h* |* X$ h3 Z/ r8 D+ j
# K1 [0 j. w- t9 Z& {0 @& q;;run time procedures* n. h* I, }. Z' y8 }
$ L" w! ]: y A. v$ J% @$ f9 T; u$ s5 _to go
+ |. ]1 E; u# I5 J+ v, R/ {+ M) W, c$ k
ask turtles [do-business]
: e3 l6 [# u# P) M; q# j9 nend
, ~: p: I9 V/ s# T& I
7 a' \6 N ^7 ]5 p' wto do-business * g' U8 j) P) k
, M) Y2 F' P+ S9 ]% y
" B3 h' d/ f' e" S) _5 ert random 3606 F/ m' U. e" M8 @
3 q1 L% |6 l) M# Z+ q6 a9 J' o/ ?fd 19 R! H: `# ?3 Y% h( p$ h0 d! }4 H
/ |. }$ R1 d2 S+ a
ifelse(other turtles-here != nobody)[+ F% n6 z' d- z+ X% B1 r" \& [
( y/ l( m9 k- b) Y# E" Z3 v. x0 e! h$ Z; Pset customer one-of other turtles-here/ i- p1 ?! F3 X
/ I4 K% I f7 S
;; set [customer] of customer myself
4 r- b C+ E% n( P& S/ H
) C, R8 b& o& q0 [5 Bset [trade-record-one] of self item (([who] of customer) - 1)
! L% N' T- ?. }" Z. ][trade-record-all]of self
6 b0 }+ \* C6 V) Y" w c;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
6 E' f7 m P% ]' \) V& X' o( ]! M0 i( A! O7 `4 T3 Z8 _- B
set [trade-record-one] of customer item (([who] of self) - 1)
: S: r5 M$ u6 v[trade-record-all]of customer
: a+ t) @& F0 J* o0 Z8 v5 g
" e3 {7 g( ~' n' I+ s( D5 v; pset [trade-record-one-len] of self length [trade-record-one] of self5 }5 K# a# G' x+ r
! i* w) i: o/ k/ mset trade-record-current( list (timer) (random money-upper-limit))% p. {0 B, u; V# O' r
o5 n' m' |; B* h1 [* }' R
ask self [do-trust]
& k$ H' p4 F9 b* x;;先求i对j的信任度8 r& w, f$ a9 Y, D
/ I/ \. W5 t- E& d/ I; Iif ([trust-ok] of self)9 k- h1 S J( W4 r! H7 D
;;根据i对j的信任度来决定是否与j进行交易[
2 J$ |0 n; P9 S' Z$ rask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
1 Y( |& s% g, o/ C
# ~* D9 j1 Z: S# g! q' L7 m# x6 }[; T& i+ }8 Z( H: f: m I7 |( D
4 |& P# L* ]! J9 \) ^$ X8 udo-trade+ H0 A, H+ |- V$ n4 V! m' K J
1 @+ D7 y1 X! a( L" |update-credibility-ijl: p; w9 ~% g( G- o: w' p
% t7 g( t- D8 K) N4 z0 p
update-credibility-list- c5 S, L% g! N3 F% J
/ c' C( x* p; _5 S' Z6 c/ P9 z
4 a+ l6 u' d4 a6 K
update-global-reputation-list7 f2 C- f' Y0 U, d! |( Z
, ]9 f+ A5 ^% g2 ~
poll-class
* E/ N0 K- f9 e) @% q6 h/ j p% Z9 L q; s9 ]3 k6 {# t
get-color8 H- g0 u: ^# l f9 f5 \1 j
W. z! x0 ?; H7 ] O" N/ d n0 Z
]]
; N9 J( @* x8 z: |( C$ X
9 Z) U- O' {3 K! G' ^5 B+ r;;如果所得的信任度满足条件,则进行交易
9 C0 W" v/ n1 @1 J' q2 o! `; |. x7 r0 @' H% a% B; Q) E/ S0 n
[
; z3 |' G# Y; r) m. b, H( i+ \$ a+ S) s* n1 x9 s* ^( U4 N; \
rt random 360* K( H" p6 y- O( B
" [& p3 b h- Gfd 1
2 @( E* Y Z2 \& e3 N$ q
2 L! ^- M* L7 W! B% Q# r+ k]
$ ^6 q; z! M8 }% i* F% j* Z3 E; K* f/ b9 T
end+ C; o, w! O0 f1 |- `% |7 X
' @7 \ C3 f/ h- U/ B/ l* g6 \to do-trust
1 `& L4 Z0 [& V w6 q# f7 v6 cset trust-ok False; Q8 [6 }* T2 b7 w! ?' x2 G
# X8 E) Q# O7 E) o* ~7 [
; O! m/ C0 o8 j' b! w* a$ _let max-trade-times 0
' ]- e# ]0 j5 t% `, Fforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]+ P1 x8 q: k2 N$ b* V
let max-trade-money 0
1 n2 J; ~ D3 [6 c! gforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]" r# }$ J2 Y$ m+ U7 W% M
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))6 ^- ~) F! y4 R0 d( x
- S, T: }; J4 t+ h, j3 }
" P8 i6 s% o+ X$ a& dget-global-proportion' ]6 v2 L) _% f( V
let trust-value
, K* G, E+ S5 Y$ p6 M" m* m/ llocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
" g3 X1 ~5 o4 U+ fif(trust-value > trade-trust-value)0 ~7 ?* \7 N' f3 k$ h0 T: B. ^: _& Z& M
[set trust-ok true]
0 I; }& d' I. M4 D+ l5 x' E% @end
: B! z2 ?+ S/ ^7 K
, J: z, ^9 d! t, V1 }! Q! hto get-global-proportion
+ q8 F! a0 q8 d+ b& rifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)% Z# n$ j/ }* l" t1 N
[set global-proportion 0]
' g) `8 b5 V- r[let i 0
) B# h5 E! i7 r t1 o0 T- j% Ylet sum-money 0
7 E$ {. W0 L0 B: _; r4 l& I( Dwhile[ i < people]1 W- y6 _, ^& z o) Y1 w& O6 e
[
' h% B0 r1 c& z% H) Z& Lif( length (item i
. F# {, n. v7 K) N& k" n, Q[trade-record-all] of customer) > 3 )) H! F; }4 Z8 i( ?! A8 o, D
[
+ @7 v* C8 b! Z' gset sum-money (sum-money + item 2(item i [trade-record-all] of myself))9 U! N- u4 o5 y
]+ o% [' y3 N. B0 q
]' Z' A- @- B) f: v; M
let j 0. k. I- }( u0 U) n0 h0 e* |8 T
let note 06 u% n+ E p' I2 V( ?$ [ @
while[ j < people]" X) p/ B' Q$ ]% E4 q
[
! r3 A4 r0 W2 Q5 _0 S% |if( length (item i
$ m7 Z. e- |% D' _ i& N$ Q& z: Y[trade-record-all] of customer) > 3 )0 h% ]" T! R" O5 x4 t
[6 m( ^8 T* |: f
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)4 n6 c7 U; \1 Z* ^" _
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
) V" k3 _1 G4 z2 i7 U. g0 q0 H[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
; W" y. J6 T3 B]0 t7 [3 g4 o* r# m; U! s8 ]
]
3 R7 Q9 X" }3 d, |! D* A" Q1 `set global-proportion note; |9 O5 h0 U, _" h/ p
]
9 c' G; E+ U% x1 o5 \- h: kend
i# R% {, h' X5 J T$ n
1 c" I- n ]- r6 zto do-trade, L0 W, L' \6 F) o3 E& L
;;这个过程实际上是给双方作出评价的过程& C$ K! R* P& W) n4 ]
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价; g6 k! N# Z1 F% r
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价+ i) K; C s4 T8 _! ?1 M
set trade-record-current lput(timer) trade-record-current
2 }0 } z: a# J( S' o;;评价时间( b$ q/ E7 y2 m, H4 H9 q/ `
ask myself [
- N( C1 Y- d! e% Rupdate-local-reputation
5 R* @7 Z+ B4 m/ u1 e. bset trade-record-current lput([local-reputation] of myself) trade-record-current. o- f0 w/ f% R/ c# t2 [% d
]( n% E2 l* l0 r2 t" w5 [
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself* {) Z. W, w- R! b1 b; d9 J
;;将此次交易的记录加入到trade-record-one中
5 D% ?; c8 b/ `1 ]set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)+ ~3 N2 D9 E5 y- E
let note (item 2 trade-record-current )
Q" F3 z# x: e8 | B$ }set trade-record-current
; [7 v. }0 q, C" C1 b, z/ J* P(replace-item 2 trade-record-current (item 3 trade-record-current))
0 q4 h# r1 P# h- Z' I7 Mset trade-record-current
2 f8 l+ K1 V- J+ Z5 T$ \(replace-item 3 trade-record-current note)3 i! P) X) ` ^) ^
: {% ?% U4 O4 d8 l
( ~4 q1 Q" N4 F$ I( cask customer [
7 @- ?$ q/ I& B& V+ Zupdate-local-reputation, O$ D) b. b0 v* l
set trade-record-current
$ }/ ~$ V& \$ Y% m4 e6 A(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) : [* i: _- \/ D: D
]
8 u. A, f& M/ Q2 O4 A2 l% {( H# S& _; x: ^. L
- W& b6 y: ?8 r1 p% P% ~+ d$ [
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
4 t3 V6 Y4 H, s' ?0 [- f1 x G' M/ c& {( {' ^
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
$ Y. @; d5 k5 {9 s# F2 O6 M" M/ K9 X;;将此次交易的记录加入到customer的trade-record-all中/ {; R2 e; ^) j
end' y: v4 K! G, l3 @5 v0 J$ k
: r/ @% w# E1 ^, M; p! [1 b% [
to update-local-reputation: I7 o8 s2 u- Z
set [trade-record-one-len] of myself length [trade-record-one] of myself
0 P" n9 N7 K' f' `
3 |( M5 x; O, x s3 j
+ b$ U4 i2 I" m;;if [trade-record-one-len] of myself > 3 5 u4 j: x. U% w% X# Q% S- m
update-neighbor-total
, {+ c. n1 U0 r1 j8 `2 A% l;;更新邻居节点的数目,在此进行
8 t, w# @& P2 b4 d9 Klet i 3! j: C! M+ \) R: ^( J) K3 A, ~
let sum-time 0
9 U6 @5 h6 c* h' [while[i < [trade-record-one-len] of myself]
/ c3 W. H" {9 v4 \[
! { N$ c/ J' W" K+ zset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ): y, f5 i' H% W1 Q( ~. G5 l
set i
3 Y) f. t" e. {6 V( i + 1)5 m6 @9 t$ |% q/ \" k% c
]% y J3 ^8 k1 Y) T
let j 3. T; K% n( l& ^) N
let sum-money 0* T9 N7 r; E$ \8 ` J! X
while[j < [trade-record-one-len] of myself]" g) o( R# `9 [6 |7 B- [/ o$ K
[6 O: M* U+ i& ?- z
set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)& v! E# u5 h1 }3 t9 V) I# ]% O
set j
+ F, }2 P$ E) Q# \" y- o0 ^8 f( j + 1)
' `& N+ i, U: v G \]) o7 @" x% {+ K1 t6 n2 a( i
let k 3
. E8 S7 I. N! [$ d- K7 I/ mlet power 0/ n& e1 b* y+ W; N$ c' }
let local 0
' E' I1 ^+ w) Bwhile [k <[trade-record-one-len] of myself]* c, S/ v9 @% L% `- @$ j# i
[9 D$ N v" E6 E
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 r* ?# M; h4 x! z' V4 J
set k (k + 1)3 f- y3 f$ n# k* o, Q
]8 z8 i+ x# d6 E1 Q+ g& e& i
set [local-reputation] of myself (local)
0 f$ [7 g2 F1 l7 ?( b/ Send
$ f) Z( J8 B- [7 m* [& b( K" Z q7 U0 Q) }) k
to update-neighbor-total7 v# n" x, U0 ?' w
m( o! \+ D& Z- U3 p" K, Aif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]/ }# I$ B" r: [, K
' x( }( `- w% f1 w' I
2 Z, }+ |5 {, zend
i' ]& [- Q% i+ n" U, U
, M. N0 m3 E( ?7 }* Xto update-credibility-ijl # n: T1 I; X: d2 s: d- t/ Q
& b1 ]/ U& S" e+ m- z0 s;;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。5 P9 T0 G1 m. [/ u6 O
let l 0
( ]3 q* L3 m* y$ Pwhile[ l < people ]
% S' k9 W$ M7 `' x;;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
* V* p0 M* Q7 u' w0 R" E( Z[
( ~3 c1 I+ ?9 x# A$ ~: [let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
9 Q" a" T5 Z' ?* Kif (trade-record-one-j-l-len > 3)4 t5 ^* e f5 u4 ^2 E6 y) t! T
[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
2 y. r) z. {6 Q. t, _/ Jlet i 3
; B/ P7 {# C3 h2 @let sum-time 0
2 G# ]* T: |0 P4 P& q3 p) ~ H6 Zwhile[i < trade-record-one-len]7 n: I( x( A+ ~0 s( Q
[
, G! C/ r3 c; m/ Y/ X% ^set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
+ q0 d$ a5 ?- m6 J* ^set i
. O7 c9 x2 v: S2 D- W% T5 m( i + 1)
/ ?! ?: q( B+ J: @; |]
* b" ` B" {% K, M" [; j/ R7 [9 flet credibility-i-j-l 0
, D" L/ g! i9 G& R3 b;;i评价(j对jl的评价)3 c% a* w+ M n/ T8 A
let j 3
1 b0 V" ^" K* B: R( A4 Q- R. R/ h( Flet k 4
8 C' y' J( i: z8 Nwhile[j < trade-record-one-len]5 P; ?: ?; ], m6 J4 ]0 U
[1 D! v$ g4 `5 @7 W# ]7 W# _
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- k2 ]5 C. N! e) R
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)
: `# z) f9 z4 Fset j" v3 V' q/ O, Q4 F
( j + 1)
% H! D! Q4 v6 B/ P1 j, P]7 a% t0 T. k$ B9 G$ o9 G9 j
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 )), e# D4 i# p3 ] S" o1 v! i
) `& f4 t0 F7 q+ ^7 \- |
: \- ?% ]0 G y# B/ hlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)); o. W5 i6 e* ]- |2 u! L9 n
;;及时更新i对l的评价质量的评价
# P, L" ~) J" ?1 r& Fset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
+ D1 R; J3 C4 ^0 d7 J$ Wset l (l + 1)
0 C" p0 G1 T& |* Y+ U]% g* C6 G- Y' y* X
end9 a7 A, E) Y0 {
$ q5 {5 L# V: h' h( P9 x
to update-credibility-list
8 k3 I" P2 d$ s+ e0 A- P9 zlet i 03 T; A/ d5 t) @
while[i < people]
" o7 ]6 |9 U& |; s# R[
7 w: Y; x0 t* J3 x' V1 Zlet j 0
" F; W. u6 V% c5 Xlet note 0+ Y+ N/ O- U3 G7 e1 e+ R9 c
let k 02 j( w j: A- m9 l- z7 @1 j
;;计作出过评价的邻居节点的数目
% ?$ @0 M- O9 Y0 b) Bwhile[j < people]
# p. |8 l# L% m4 P1 e- j$ r8 r[& @' @5 H/ I$ U3 g
if (item j( [credibility] of turtle (i + 1)) != -1)
1 k6 L$ J) j" W/ x0 i! s;;判断是否给本turtle的评价质量做出过评价的节点& ~4 z! z- J* h1 Y
[set note (note + item j ([credibility]of turtle (i + 1)))
9 { n* ~+ L: N' a1 K) g;;*(exp (-(people - 2)))/(people - 2))]
" n5 a- S" Q$ O$ m. I3 T; Z& ^; Zset k (k + 1)2 j4 U: S8 T: @. s
]6 t: C9 r# r/ L4 Q/ S) M6 `2 L X/ R
set j (j + 1)8 m+ ~" z1 c% Q
]
, V4 v, N( ], M4 z4 Cset note (note *(exp (- (1 / k)))/ k)
! @7 O3 A; C0 F% ?/ l+ }set credibility-list (replace-item i credibility-list note)( B3 D! ?9 d% x/ _
set i (i + 1)
! `/ b9 s$ m/ x) X: B; j]
9 ]$ x/ D4 k5 N% _end
, ~/ a Z5 e, D& t& C o6 A
4 A; H1 |( }, W- s. R: g' Hto update-global-reputation-list
! ?6 R5 y3 w% r# g2 W- j' hlet j 04 S" s, H: `0 ~
while[j < people]
9 Y! ]# d. s: f; i- ][8 e8 I' X# f' a6 f' v. J
let new 0
, |+ @, w" y& M2 d: D% p' T;;暂存新的一个全局声誉
* B+ S/ U! W. D, Q5 Z% z) t- rlet i 0, h. v& |' E3 A2 c) [) W: ~8 j
let sum-money 0
7 f$ A% y% @ d. R+ tlet credibility-money 0
3 c# H6 F$ M" r0 N4 t5 G5 owhile [i < people]# C" ?5 @1 i* N- Q; e8 F
[
. C! _5 u& B E5 R5 C# Iset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
# `% p! o) f5 u( jset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))/ h0 v; k% X; \3 F4 ?: V C
set i (i + 1)
4 B. Q Z# p( E9 c5 q q0 t]6 v8 q6 T- Q, O0 b6 O( H) b9 t
let k 0
8 Y1 U3 f6 h0 k7 k8 f, Jlet new1 03 A# v9 K! a% U0 {6 Y
while [k < people]
/ m* N! p: n7 C" R[
7 e% L. [0 [) w# R& H0 {0 c6 Sset 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)
% p) }( Q* @$ C" Z# zset k (k + 1)
3 ~' l, \: X9 K+ E4 W" R]3 V. p. C: i7 {$ z+ P% N
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) / ]' o2 r: X7 t9 F P
set global-reputation-list (replace-item j global-reputation-list new)
8 G8 E4 t" D# x' W, vset j (j + 1)
3 F1 f R2 l* i9 i0 E]5 ~0 l" w( X' L! Y$ N1 x
end* y/ e) D: Q* s# @5 a. D, f
4 y( E% b- I: O) R
. t9 I3 u2 w6 b" F. f+ u$ h5 f% T: O/ s- H8 c B4 x1 J5 Z! s
to get-color! i. V1 s4 g3 z
7 z% q4 x" Q8 v+ d1 k+ Jset color blue, C [& @6 q, s! z( q
end, X( s3 D* }( d4 S1 D" d( L
( C/ ?5 U, C/ h4 H0 ~( L% t+ Ato poll-class
3 c, A0 g% p' k+ H/ e3 Qend' g3 y, N- G4 u: V/ {2 \# E
; G% d+ p$ u2 h; m$ w& w% c
to setup-plot1
7 o' ~. i3 P% n" c- O" d9 R) l) m( c7 M; V
set-current-plot "Trends-of-Local-reputation"
3 V8 W8 @, v1 e6 n7 ?3 \" G0 F/ T/ A3 T7 h3 U" }. {! ?) T
set-plot-x-range 0 xmax2 C7 Y8 }/ |7 }" v3 I; n9 x/ G! F1 _$ r
( T$ i5 f" @: v6 gset-plot-y-range 0.0 ymax6 ^' g8 n! q+ p2 c# H7 G
end6 u& T7 t1 J+ }7 G3 r3 C
2 g* d$ U& W! o5 K2 F, Y
to setup-plot26 j' ^ h4 N! d" {" w0 b" v
4 u7 U( T, Q. i. X! a
set-current-plot "Trends-of-global-reputation"/ k3 J6 L( o n) [/ ~
% O, D' h o8 f# H5 _# j& t
set-plot-x-range 0 xmax: V1 }) N$ b7 J
1 X9 V- M% g; G3 ?
set-plot-y-range 0.0 ymax
# [0 g$ z/ A$ a/ Y) P6 j% lend8 N& j3 n* {9 c; b1 K" r- ]
# C- l% r' Z1 X6 F9 oto setup-plot3
. E- D, R" x5 {% {; z& h* a: ^8 V; X. t1 J
set-current-plot "Trends-of-credibility"
1 T5 U# k) g6 x8 A1 {3 o/ B& u5 N H' d Z' |5 _ {* k" A
set-plot-x-range 0 xmax9 Q( _" b) A0 c9 M
$ d) Y0 ^- M1 s# B) q3 eset-plot-y-range 0.0 ymax
) w8 d5 z* w% Eend4 J& F& V2 X) L/ [
' O5 V! a3 { K" c( o5 [$ O
to do-plots o8 L: X7 s# v- W
set-current-plot "Trends-of-Local-reputation"
. `4 f3 ?5 p3 [$ A& Y& xset-current-plot-pen "Honest service": v# Y) n& N# o B1 g
end
0 S+ w5 T6 V9 t4 l. \: |
I" `" l z, P i9 S$ N[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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