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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2 K h3 d7 a( {! B. _
globals[
" ^# ?4 x5 ^$ ]0 e- B9 I- Hxmax
* s' t0 F6 k8 |0 s* f" Iymax
- _. Y% n% i* Q! lglobal-reputation-list; I0 c# W1 h$ H7 f" Y4 k3 T C
3 h) J+ L# r- q4 u0 Y;;每一个turtle的全局声誉都存在此LIST中. f8 R2 ?1 X/ e5 N4 D) E
credibility-list" G% Y! E6 v" O1 O5 e
;;每一个turtle的评价可信度! t7 }4 z. n: D' t" B
honest-service' ] |" L( ?6 ~2 p* \2 D& F" F
unhonest-service
( c( H7 |% [- [5 ~oscillation* W8 O3 V" M0 D6 Y4 P7 V5 W, M
rand-dynamic" ~6 z/ X: M! N' i. s9 V
]3 ?6 ?+ `$ t2 Z, S* z7 J4 m. {
; o, W& E" U& mturtles-own[
, e$ |* C$ j7 @1 c7 f! e2 V; [, Qtrade-record-all
: Q5 z9 H8 V3 P* Z. A) J1 j M4 |;;a list of lists,由trade-record-one组成. I- H$ I/ Y7 G* s/ S4 \: K
trade-record-one
8 l- B! r- V' Z7 n1 _;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录* d: U9 \% ]& L+ v
5 u5 b2 b; o, @;;[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]]! _7 ~. K* _& ]' V$ A
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]2 M1 R) n7 C6 X( E6 V+ j
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; n- u b' D( T4 f
neighbor-total
& u. z5 `& N( M) a! N! F: U2 [;;记录该turtle的邻居节点的数目! d# q0 s' C% i% y
trade-time' g1 Y* B4 x9 z& [4 F6 b7 T
;;当前发生交易的turtle的交易时间$ D+ b9 m( ?; x. k9 V- o, Q
appraise-give
" j- c4 K7 B: d- }9 |4 V;;当前发生交易时给出的评价
* | N5 t) [: Wappraise-receive: I. |5 H5 O5 H% o3 f% E
;;当前发生交易时收到的评价
! n/ Q* h1 C& C/ ~appraise-time
3 a9 G: x7 @; Z;;当前发生交易时的评价时间. V$ v1 q4 _6 T6 [1 v) J' L
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
, @ }: X7 W! Z' S; }4 Htrade-times-total
* ^& `) O) j. m9 W;;与当前turtle的交易总次数; b! X, c3 Y( ?8 X2 ~
trade-money-total
1 D/ y7 b! x4 w) z;;与当前turtle的交易总金额% v' ?' T7 b5 n# q/ Q W, P' D
local-reputation
# \: F0 [0 ?4 @8 m2 \) u7 iglobal-reputation
1 ~8 j8 R$ e! k7 A& Y5 }! e" ]credibility
' D# R0 D, ]3 K$ I- W5 w5 h;;评价可信度,每次交易后都需要更新+ X1 _4 [+ r' S* Y& L5 b
credibility-all5 y4 | h) K# D; z3 A
;;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! X+ i& w7 x \# ^! ]; y
& o) B, n3 K$ c9 ?4 n
;;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
6 d3 g; f1 O4 Y' ?0 @credibility-one
0 \5 h# }: x M( x' ]2 O;;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
" \3 Y, E/ T4 t+ E, |8 _global-proportion
2 {1 y' q. v; M. Tcustomer. X5 D3 t$ P! }: l/ F) J* t
customer-no
3 C9 F# A' o6 Dtrust-ok" z5 K! D" |1 s+ w3 `! b; m. a
trade-record-one-len;;trade-record-one的长度6 y* {& G- |: |8 o" c, x& Z) V+ w
]
9 n, ^+ r/ f0 t
4 t1 O3 [: k. ?0 M3 z. M# c& Z;;setup procedure/ i, @/ E' e# `) Q& y; m( X: U$ U
! ]" X M: U6 \0 F
to setup5 ?& Q' R! A/ g# h6 G
& }* c& F8 m% L; \) y! fca" J) d m( J9 J6 s( z
4 p5 X' ^+ X: u H: ~' ginitialize-settings
6 A1 M3 e, x6 j! `1 ]( e
. p6 l2 F/ a0 o C7 Wcrt people [setup-turtles]
" L/ c4 f+ l: D% w9 Q0 n: t* P7 x/ h- N: g8 f
reset-timer6 U8 \$ t2 G# ]. V# e' D
6 U7 w1 |5 p+ {* U
poll-class3 G) h- C; O) K u
' t: Y1 N g- U e3 v6 \+ t. tsetup-plots- d' E/ W1 |, D" i7 E% {& J+ r
) q0 D& W! c; b+ |# u* Zdo-plots
$ b6 `1 e" t- ^: u5 Bend; ]! E9 _5 `6 D* q& M
/ `2 F! o8 {$ z1 j2 mto initialize-settings
3 |5 `3 ?# g8 i; n" O) r( B' |( T6 q, o2 S; K
set global-reputation-list []7 }* R1 {1 d8 ?. C% O7 h, w0 b
. N! ? W7 k2 kset credibility-list n-values people [0.5]
4 E% ~7 o7 U; p$ k1 d
+ A7 |# c+ `4 J0 gset honest-service 0% @* n w) H) U8 C) H
. @- M- v: z- j
set unhonest-service 0
9 s9 @( y( d' L3 p
+ L/ \: P% u9 ~# I0 F0 ]set oscillation 0
" }) f9 s1 B* R$ I+ m/ ^$ z
* V' C: S- v3 w. ]+ X1 ~% J! N6 Yset rand-dynamic 0
3 Z. S: N- u6 r' E" l' jend
: E" B" u' F) x. t( D- G
T# v" \8 J0 k3 C9 y& Z: d, Hto setup-turtles
: g/ z5 ^# R: A' h, Q4 lset shape "person"
, `! Q3 Y& D% S3 a; n: N. hsetxy random-xcor random-ycor2 s8 T, f( B! n- E1 Q! H1 a
set trade-record-one []" ~# X: }' x7 c9 Z, c7 K
@# ]. s1 f& M! a6 c
set trade-record-all n-values people [(list (? + 1) 0 0)] " f x. g7 c8 h# }! I" f o+ V
! l' J; T+ h# T* B+ ?set trade-record-current []
. E) }; ^- j* d5 x& t! @2 p! Sset credibility-receive []5 ~2 Y3 L* |4 C' {6 u
set local-reputation 0.5
& s. I$ c5 c/ G4 V( qset neighbor-total 00 \1 ~" W! i M# m* U7 M# F
set trade-times-total 0
0 i( e( U( n. m8 @4 s9 ]set trade-money-total 0# z# l% d6 r" Z) J& Z
set customer nobody
/ e- \# O* [6 F! G/ [set credibility-all n-values people [creat-credibility]0 V9 `# ]) o% [9 Q0 U
set credibility n-values people [-1]$ {& e% x; w- b, f/ J
get-color8 n. i) _( t) D. m Z. G
4 T; a( d9 V1 u; U7 k2 L
end
1 T9 j$ c" ^. t6 R! O4 {; s1 \7 z. f; l+ g
to-report creat-credibility- [6 k' G) N, i
report n-values people [0.5] Z* U- w: ^6 D0 U+ d2 m9 x. |+ S
end: x$ |% u0 A6 e
/ J$ i) k2 f& j. v! g" uto setup-plots3 k) {' X' j# q
; |3 f! P6 X1 ~- {+ y$ r
set xmax 30 l& A3 U! W# |7 e
1 |7 K O5 l/ o) ~, @0 x
set ymax 1.0
% k4 B' Z$ y! g+ h
; @4 {4 y# O1 ]0 I8 cclear-all-plots, O' ~2 D" s, y% T
" w) ~: t& O% g' C. `; W
setup-plot1
K. A1 c3 [, U- F6 b: r6 e6 F& W O6 J0 M
setup-plot22 _# T. S! i0 K0 d& k
- |# z l- ?! C: `0 h4 P( R) H
setup-plot3$ `/ u% f& X$ G, R9 k" G- Y R
end$ B- m; [5 W2 ^2 l
$ ^# j0 |( ^ @
;;run time procedures
$ \ F1 |7 W1 t+ I
# L, c4 a' M9 H1 O: Yto go7 C& G+ k. M" W* v' G+ F: Z) R
4 t# e- B6 f) v$ ?! l1 @
ask turtles [do-business]0 l. j. F; _+ M: V9 a
end% D4 H4 g6 c# y
- m: c5 Q0 {% Q; e2 R& H" a, h+ e# e3 y
to do-business 3 j' `6 ?$ R8 |8 @6 r
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3 c8 \: p- A' x" a- grt random 360
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fd 1! P! j. ^ J' a% I; x% V
. b) O4 [( ^3 D: i. vifelse(other turtles-here != nobody)[: M1 v" O" _4 }" B8 m ~
. y3 a% o, P6 }. C1 a. i3 `9 D3 E# g( r( cset customer one-of other turtles-here# P0 b" I5 r, D
! K" ]6 m1 W( @. M
;; set [customer] of customer myself& w- j, M) {$ G3 t1 r5 R
7 q3 y: V) k1 J# Y* B5 X9 @% Lset [trade-record-one] of self item (([who] of customer) - 1)0 w( F5 j& ^! w! E* g( _
[trade-record-all]of self
, n5 L: ` h+ t( X4 W; G; l& w9 N: M;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self7 ?0 M, x) C- R) g. M
2 p! w/ j) E# T+ E* a
set [trade-record-one] of customer item (([who] of self) - 1)
* C4 R2 s7 O& W[trade-record-all]of customer9 {- s- k5 D9 I- a* n7 j% o/ B
7 Z) a) h9 _0 C. @" D: k8 `! G% ~
set [trade-record-one-len] of self length [trade-record-one] of self6 s8 M' h9 X: i" f1 |4 N0 J
2 P1 J+ P5 C9 m. Y5 c5 Wset trade-record-current( list (timer) (random money-upper-limit))
2 j/ L5 C5 m+ H2 k2 c9 @
) n, R2 }! }+ P f: ?, j! |: Q$ `ask self [do-trust]3 z. K' x) \; O A0 V# Y
;;先求i对j的信任度% s _8 _7 Q2 b( L" @ J W+ z
) b/ p# }: X, H
if ([trust-ok] of self)
" l6 d$ ]" Q' s: f;;根据i对j的信任度来决定是否与j进行交易[1 V0 n& Y+ n/ P8 Q @
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself' Y+ D y% Y1 c0 L' E
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[
' d4 O! Y9 Z8 n# m$ X
2 p* U0 U+ W# w- q% g: [( `do-trade
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( |! o) ^4 s+ c9 D7 Kupdate-credibility-ijl# k/ \, Q! C9 e9 H( X$ \
& [% A) l/ g( p5 X* m1 @
update-credibility-list
: r+ |* s# {- M0 J: U1 k
8 u) f- s: U8 |+ x$ ]+ n+ w1 i" v
6 Y: F, f3 \& ] Tupdate-global-reputation-list
& M2 |: A* A# X& o& K1 f% @
0 L- }# k) v0 P, O9 w! z$ ipoll-class
4 n+ w6 [0 Y7 m# j* F5 v8 O! |1 d2 }3 k
get-color' p$ r! h* K0 |
2 r" ^" Q( b$ a. Z9 Q% O1 V
]]- }& N. `8 O) S
! ]) K: Q# F) s;;如果所得的信任度满足条件,则进行交易4 M& N) ]% C* \
8 C( h- p3 \; j: j" N5 F
[2 x8 t! x8 D: h7 A( G& i
5 V7 q. [6 i! F4 m
rt random 360% M* j+ x& `& r- I" M# z# x X
# L; \% q+ z$ z: x1 F1 ^5 dfd 1. o: \; j# ~* E% ~4 {& Y
8 w% Q2 F1 o7 l]2 S% W6 e8 J$ l: d: c' A9 a( i
; ^4 o' A* A$ S% H1 I) \
end$ v. I( o4 B9 y4 Q1 X! J# O5 j
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to do-trust
2 Q7 `+ T1 g7 V1 }set trust-ok False
/ w, n+ z2 F- ]2 L/ `' z4 O- x/ r1 b4 ]: |, K! g
% U* r: J! c( S6 i0 Wlet max-trade-times 0
3 z2 n) _9 E" u+ ~2 f u, w. Xforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
2 S. S9 ?5 K9 O2 c" u8 qlet max-trade-money 0
$ l. _* u! S# ^. Y: I/ {foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
- y" I0 Y0 f1 T. W' L; _let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
7 m+ }# z A, x( A; p' K/ a6 V2 E5 t8 ^% C' @8 K
[# ~7 r$ j5 O- e- s5 tget-global-proportion
0 u8 h: a) `/ r2 R) Nlet trust-value$ S% \. `7 k0 v( x0 d/ [) K
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)
; {! C8 E8 L% ~& z: M( ~ _if(trust-value > trade-trust-value)
! _$ y) b# v8 H; X9 P2 }3 c9 a[set trust-ok true]
# d3 K. r7 a/ K( Y; Y0 P0 z: Fend# N# S0 S! Y* V# c$ D: s; m! k
2 @' g) [8 d7 E+ o3 F0 K$ {& \
to get-global-proportion$ @. s; N( K; ?" c% w
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)2 t4 M4 g+ t5 ]8 U3 | w" z- ^% t
[set global-proportion 0]- f( ]0 N- c- m, l: P0 b
[let i 01 f0 E/ A, B$ Q8 S. z8 `0 w0 R
let sum-money 0
- C% [$ \- N7 F7 B. iwhile[ i < people]
7 L+ y4 l+ e& R& G( A& M6 U/ _& ^[
. I9 q- a" s8 o/ xif( length (item i$ d. T- V" s5 s5 O
[trade-record-all] of customer) > 3 ). K4 I! E5 \2 u, y) t0 M- L/ N
[
# F9 g+ X& O8 C" @, Pset sum-money (sum-money + item 2(item i [trade-record-all] of myself))- `' M6 y% }* E+ f; q9 @
]0 ^" Z4 E7 [! B7 B3 L
]3 L b! z" Q% E, D
let j 0+ C3 i& c5 x* ~% C/ Z! X
let note 0
& {/ m/ `5 D/ Vwhile[ j < people], a' ~4 Z$ L$ p/ @$ f* a6 i
[- q& r0 Q$ f4 \3 E" X9 c
if( length (item i
' a2 G/ \5 L, k. {[trade-record-all] of customer) > 3 )* ~# |5 A1 Y: o$ }1 ?
[& k. O# `" N5 r% R- b. R
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
! M1 J3 B7 k1 x, \: N5 g. F[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
5 I, M" D, w& L; h$ L9 D[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]8 ^) |6 v8 p: O1 C$ u' L5 E
]
% |% N: f( D/ L) z% L' N) }]% o* g) a5 \2 R# n5 B8 h
set global-proportion note
, n. k2 b8 ^, Z) ]]
" u6 q7 O% x) e# }9 A5 v6 c: h# kend7 p( L+ E' O o2 L% q d( F8 N, [
5 Y# k5 L$ H! k4 n* y7 ?! \4 l: \to do-trade
9 p6 a- C2 f0 n4 y# L;;这个过程实际上是给双方作出评价的过程
3 p" ~ n! H2 i! H/ U! @) M* N& Oset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
+ C1 H8 W! A8 Kset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价1 X: I8 o& D2 Z- {# w
set trade-record-current lput(timer) trade-record-current, Z! K* j3 M9 N4 J8 Y& P: X( @+ ]
;;评价时间
: j0 Z# }" [2 i8 J' n$ pask myself [2 ]! c2 {( e; B; x3 V
update-local-reputation
+ N5 |9 r/ ^% z P/ K. tset trade-record-current lput([local-reputation] of myself) trade-record-current) b- [# P, m8 l7 Z- S- s# s
]
- h6 T) j( t. @4 }6 a$ gset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself# S. W7 E: c+ j( E
;;将此次交易的记录加入到trade-record-one中& _9 k6 i( _! f; g" S4 V
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)) |% ]5 t. |& F2 c
let note (item 2 trade-record-current )
# u- s, B' P2 C$ B6 ~, |set trade-record-current3 Z, e b$ b! [6 x
(replace-item 2 trade-record-current (item 3 trade-record-current))
) X+ E- |4 K" K- n; a( |set trade-record-current
+ U$ H5 I: \; n p" c J U(replace-item 3 trade-record-current note)' E: o- e5 @5 Y$ z" u
+ ?' ~/ u, Z8 l" O( S
6 H8 w7 r7 j0 y; c F5 Xask customer [
% Q6 S1 O- Z( @5 M+ Lupdate-local-reputation
' {+ W/ {* ] D8 Fset trade-record-current
! Z, R. L" G: |: x; J(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ( u' l- v* I G: z! h
]1 R! b4 J1 E( x; q8 r
" K; E4 {. ~: y5 m& }0 z
+ q$ }- r( b8 l, a. w/ r3 [; \
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer8 Y% _. J: U( O9 ^8 S t8 o
% C: r$ W; t: Fset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)): y% J% x. ^$ U; c4 o3 p z
;;将此次交易的记录加入到customer的trade-record-all中1 X9 f2 p1 B+ o* @
end
) ?3 H- f1 s0 N2 t8 O. l1 i
! t" r7 z S: K! k2 j1 dto update-local-reputation
* O0 d2 @3 a4 g9 W/ Cset [trade-record-one-len] of myself length [trade-record-one] of myself
' W( Z1 P$ _; T1 j! D
+ D( a, v# h9 u5 }7 p! P9 f
. Z' k: d4 R) A4 N# c;;if [trade-record-one-len] of myself > 3 9 R4 [4 X+ k4 D& j' ]
update-neighbor-total
; E9 h* |; Q5 n" K/ u0 K;;更新邻居节点的数目,在此进行3 g( H1 y; d/ @% q. i& g' o9 k
let i 3
6 _" @* ~5 H# G1 o5 T) p: S4 ^let sum-time 0) D. V0 D. X2 a/ y6 H
while[i < [trade-record-one-len] of myself]8 {6 L7 U# u0 f: D
[
1 }% ^# z: T, w& w# rset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
% ^1 G( W0 N5 z8 Xset i0 Y6 z" E# K& }3 k
( i + 1)0 _& o X+ O0 K* W7 `
]
) r* m* h2 @/ Wlet j 32 E) L7 n5 x9 ^! M, g# M, e
let sum-money 09 d- v6 S+ E4 z, w" j
while[j < [trade-record-one-len] of myself]$ d( C2 C& h4 O( ]- F% |0 {
[
9 r# H8 G+ D3 u! g$ G/ \% mset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
4 e. _. `- r Z% N# a, A; nset j
3 \5 @* D: l! Z- n. M; x& n( j + 1)
; n5 T& X; p z]. w" i J, n3 Y" \* G
let k 30 x$ D5 S1 ^0 Q- B9 K
let power 0
; a0 m3 \: p+ e+ p2 L S3 Tlet local 0$ S p: G) [4 d
while [k <[trade-record-one-len] of myself]
5 q( I9 Y1 d: |: U9 Y[9 m6 [5 f% R- p+ 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)
p$ Y8 [9 i) n4 }6 \set k (k + 1)
% L% I" T. R1 O( l]
: h+ O7 C* m2 z Tset [local-reputation] of myself (local)6 ^3 Y* y2 X k, e! W7 \9 R
end
9 o8 \$ _6 y2 [& E4 ]' `) `/ m, I2 h5 f7 ^
to update-neighbor-total
6 z) b( x2 R9 T3 F9 L( `4 e4 A4 x. V- P2 L
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]4 N* ]0 b* G+ n6 i1 ^
4 M3 b) L. u* c6 A% c
1 L- c7 o O% a, ^$ K- D' [( R
end
. v8 I$ z0 ~+ q/ _2 @
i/ |9 w: Q8 S" v- Rto update-credibility-ijl 1 z1 \) C' [. a
% [+ G7 I% \/ q, ?8 [2 |# 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。
& |4 C8 ]+ ^: ?- Elet l 0+ M% K) `% X- ~6 B0 i3 F* a
while[ l < people ]) `' y, R- s9 o8 C- @3 _; U# R
;;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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! y, s D% k2 l# `2 O# n; hlet trade-record-one-j-l-len length item l ([trade-record-all] of customer): C1 A' C' D* e& I+ Y# r
if (trade-record-one-j-l-len > 3)/ e6 W: `4 _5 u8 U( S7 a
[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! U8 W: S5 W/ ^. H
let i 39 w3 B u6 C- b
let sum-time 0
3 k9 u* r# t7 [9 ?while[i < trade-record-one-len]
`" A: n; p I: e- J[
, _" E6 Y, f# {- e! ~: @4 \3 f) fset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
! V# d) E/ s3 _' ^. B$ E& B3 _/ xset i: P+ R, J+ b- o, D
( i + 1)
7 S. k7 j5 o9 d3 l0 r; N; V]
+ j& k; T: N, W( ^3 mlet credibility-i-j-l 0
* ~0 \5 L7 v& d. f; o$ s- \* V;;i评价(j对jl的评价)! z- O5 G( n. _- E* c) V6 P- V
let j 3
2 t7 l, `' o; Q; k* xlet k 4$ W6 [8 ~% a, o, _! |4 P
while[j < trade-record-one-len]* Y6 e6 o, s1 s; ?% t+ K a
[
+ n, u; @3 F2 R) K6 h, V5 gwhile [((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 V2 \. j. D7 y9 F* ?- ?2 |' J
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)% D1 s: h" ?$ A4 N+ y9 \9 U: Q0 m
set j1 t+ X4 ?4 P- F7 Q+ t7 ~; e1 o
( j + 1)& N, Q1 G- [% k
]
. y( Q9 T! Y3 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 )), X7 U% U! v) N
4 O6 c& Z5 c4 I
7 P! j! t0 I# e5 t1 b8 ~
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
. F/ t9 j7 T% \;;及时更新i对l的评价质量的评价
8 j5 Y$ u/ }. K/ H0 ^+ b" ?* yset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
" f- K7 i! `# L: u z3 ~set l (l + 1): E n5 A5 Y/ I) n
]! K V e7 q4 E
end
$ F- y! ?& x) {( y' r
5 m# p* ?: P! b* K" C8 I- x6 ]5 d3 cto update-credibility-list; M: t! ` [/ l
let i 0# C$ W1 b4 k0 y' S
while[i < people]6 q( |! d8 L+ x1 y. N" F' O
[& u& T" T6 w4 W( f. d& S
let j 0
/ M1 y1 L: \4 n8 Nlet note 0
& j T5 v4 E( L- U. _9 C: K( olet k 0/ u7 ~$ r/ y8 `3 L# a1 w& z6 N u
;;计作出过评价的邻居节点的数目/ R' f% V8 Q9 b3 n% c( o' S
while[j < people]: d1 O* h4 G* _! S
[/ X( D7 J' Z5 f. J, `' ~7 U7 u
if (item j( [credibility] of turtle (i + 1)) != -1)$ |4 C D( E# c; s& `9 a
;;判断是否给本turtle的评价质量做出过评价的节点* Z: g, N2 p" i
[set note (note + item j ([credibility]of turtle (i + 1)))
, C0 L1 A r' F! P C( {: }& a( i. `;;*(exp (-(people - 2)))/(people - 2))]
9 W" d9 G! I. Y& }set k (k + 1)) ]( ^, D4 D) P/ {6 }1 g. `' O
]
V: ^& G! P( ?' [) qset j (j + 1)5 a4 z0 n* l% T% H i% p6 d
]
* M7 ^. y0 c' I% l$ tset note (note *(exp (- (1 / k)))/ k)
- w2 q p. G o+ cset credibility-list (replace-item i credibility-list note)
" f3 ` J( ?. o: }" M: O; rset i (i + 1)
* Z0 P/ b' j& D& u( \, U5 A3 z]# ~9 v3 [$ d# U+ X- R5 X
end: [( _) N- {- |- A' x/ ^' z8 A$ j
! c6 M5 ^' u ~: T. n
to update-global-reputation-list
5 Y' `4 y$ c- I4 d2 T( t! @let j 0
/ W9 L: Y; u) t4 lwhile[j < people]
6 `" V% H+ t* l. \' N. Y[
) X. Z X: G! p8 E' r, slet new 0/ h" d9 n! c. a8 C: U1 c
;;暂存新的一个全局声誉
' ^* W, z/ q+ {# D7 b; i2 E ulet i 0
7 c+ g) f6 P$ f" B: Q! Xlet sum-money 0$ Z- X: k! n8 o! I0 R( v
let credibility-money 03 A- C v( n) Y/ v7 y
while [i < people]
( Y4 D" P. m$ @: B2 X" i[
' l0 Y% i6 }+ S: n5 O7 Vset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))7 L$ i+ ^ g6 H& d
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
Y# m) u7 P3 Y7 X% d/ Vset i (i + 1)7 R( n: g/ S! H, s7 Y# n% k
]8 I& \3 G B/ |" k5 q. L" q
let k 0
) H( g! ^2 A/ x4 w# j/ y+ }0 D" jlet new1 0
! h1 k; U7 T. `* X7 g8 b* |while [k < people]0 x# z2 `4 n8 R1 E" y
[3 z: K/ A5 i& j0 f
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)
, U) R4 b. {0 B1 L Hset k (k + 1)9 p0 f6 n! P* w8 L' [; i, W
]2 n) q- s/ q% P$ ?
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
/ p; s; ~; b/ i' Y# l3 Nset global-reputation-list (replace-item j global-reputation-list new); ~& q8 W1 p: r- n0 ]
set j (j + 1)
. S- o4 E; s7 [1 A, Y) ^. l]
" K/ M( k* @8 z3 Lend
! S/ d3 R5 O7 b: [3 `
, g/ x* ~! L0 K+ g% }7 k: t C' m1 t
- |, `& W: J8 s9 [( j B7 v& y
to get-color
# ^1 V6 l5 j/ N1 Q4 p7 l' m) y3 z* C) W: D
set color blue* `- z* Z8 D5 `( A2 e; m
end: b9 G, @: }9 u, W7 g5 j! N. `: N
2 {2 F& i" [ v f
to poll-class. C6 y( k& g( w3 e" I
end- S3 Q! `% C, L2 M, |
1 N1 i( p# g7 `; I6 t- d3 s2 X/ T
to setup-plot1
. J* _5 |+ o% k+ n
9 g) l% M! O: Vset-current-plot "Trends-of-Local-reputation"
' X+ F( x" q G. Y) F8 |( [
; |8 N k( A4 H- Wset-plot-x-range 0 xmax
2 {: V4 o. V3 S; M) q0 C$ p, T" B2 [) r- O
set-plot-y-range 0.0 ymax9 j) E4 }$ A0 R0 n4 f' S3 @
end
, |( |; \3 O5 T' u. b, k8 X1 U8 u; R; D1 Y& q" a
to setup-plot2
" ?" A+ P3 D1 n7 D! W0 h! Z& Z0 H$ }/ n: W6 C! ~# y2 q* E* o' j
set-current-plot "Trends-of-global-reputation"
4 T- s$ N: {8 H/ Q! q/ }7 M0 a3 C( F* s* B
set-plot-x-range 0 xmax+ T2 \: }7 N# }
) m" X* U+ G2 h/ y$ aset-plot-y-range 0.0 ymax
" C4 l2 |5 _2 N. `end
1 h! ^/ G1 I" W8 B! S5 C1 a
# W ~6 v" Y* L1 H; ]to setup-plot39 B4 G% |. `! a) P* S
; F2 Y. p" X+ z& w. @
set-current-plot "Trends-of-credibility"; o- C3 @9 a+ H, j* D: @% r; y9 ^/ A8 R
/ M. B4 m( K8 M" L
set-plot-x-range 0 xmax
4 q: p4 S n. M4 ^4 X" s4 F y1 Y S: g7 C
set-plot-y-range 0.0 ymax
$ O# f6 \+ z# r) Kend& k2 _0 k C+ J( N% i
& N9 y {& R4 Y k1 a6 B
to do-plots* ?" L% ^1 m5 l0 |* R8 }8 V
set-current-plot "Trends-of-Local-reputation"
# ?6 D+ j4 _; Nset-current-plot-pen "Honest service"; O+ o+ a9 `% P% X1 ^
end
# M8 L) }+ h: P0 ^
; ~4 z7 C0 y5 W* o2 b* J+ V3 F' d[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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