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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9 y/ @4 k; ~# r8 V
globals[
O" R' r, j" o9 ~! ixmax
7 ]; E1 l# }! d# o0 \9 @ymax2 q, R9 b( ], J2 s8 Q% ], X
global-reputation-list
, g7 ^- w. P: \' y8 B' ?( \9 T' j7 T, L: y- V/ G, n
;;每一个turtle的全局声誉都存在此LIST中
' _8 p& e8 T; a4 bcredibility-list L1 }8 Y8 c$ N1 G
;;每一个turtle的评价可信度
) D% z* I. _7 Z6 }honest-service
0 [1 }: I& G$ O! X: kunhonest-service
3 E, q. P5 u) L2 v' t; Ioscillation
& C6 g+ P$ V' f* f+ Qrand-dynamic
! j6 G# U* g/ n5 s]' o" z8 v! t% r9 ]- {3 @* Y
( U" T) y) u Q" |2 V! K$ G) b
turtles-own[6 L$ n$ n& m+ l+ E
trade-record-all
8 ]. W6 D1 _% ]; g. ^+ k;;a list of lists,由trade-record-one组成
4 N+ H$ B* ^6 v! dtrade-record-one
8 B. r( m3 p, ^, F4 g. e% s;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录% Y0 A/ k! ^; ]. i) ]
5 z* C+ B4 ]1 [( Y% u" A8 L" O0 f( W
;;[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]], w5 s% q# Z. l, R
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]0 \/ @( _ r" e9 I
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" t$ D. Y# s; n( G, w
neighbor-total
}( H0 m. ?2 Q* ?, };;记录该turtle的邻居节点的数目; X7 h& Q1 Q$ p- ^9 k9 W2 k
trade-time9 a, \8 |1 B- ]0 f, @; ^
;;当前发生交易的turtle的交易时间
2 ^9 Q6 T8 Y; M4 @appraise-give
8 }8 i- D8 Q# f2 N# Z( K1 L' @" w;;当前发生交易时给出的评价
' b5 b7 |3 m$ r: O8 P& Kappraise-receive
, n; n2 t0 B5 y6 f$ S* |' o' U;;当前发生交易时收到的评价
8 b# L. [$ K6 R1 Q' |- v0 Qappraise-time- s0 W# m6 [4 z+ y
;;当前发生交易时的评价时间, q+ {9 L/ q: E! `0 A) b6 Z
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
' Q1 [$ \8 U" e: i/ y" Y- c- ?" l- Ttrade-times-total6 Q# A) B' d& ~* V# [
;;与当前turtle的交易总次数
# E9 @2 k+ C/ I ^: htrade-money-total
5 @; d. |5 ]7 h1 H* S0 I;;与当前turtle的交易总金额0 d) |; w: Y) ^8 G& S
local-reputation7 G1 b7 V" H9 Y' p6 D5 g
global-reputation, @' f6 }, i& q' h/ O' f. e) ?
credibility4 j: I: S- Z6 z
;;评价可信度,每次交易后都需要更新
2 T( t8 O+ ?9 s9 j- _$ o Q7 Rcredibility-all& \* `8 y8 l: d6 s6 `( Q) G
;;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6 P3 P3 w6 d: e
8 Q0 N7 q; X3 C* u;;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) X! K' E8 Y! j4 R8 E" a6 c
credibility-one R0 k' O Z0 y; J
;;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
4 J) {1 d R6 x7 G/ O& f& iglobal-proportion
7 x$ |0 P6 q1 x# r/ z! Z0 pcustomer' O6 y6 P( G9 A' I4 R' t6 a g
customer-no
% ?. [( m C1 R; J) {5 h0 Z! n% c( v% ntrust-ok2 ?* A. W* C/ ^7 R2 Y$ g" Q
trade-record-one-len;;trade-record-one的长度4 R0 ]- u9 F& N. U" U# d
] T. i9 O1 |) Z3 X
! @ }2 E k$ |& R
;;setup procedure2 R8 S4 i/ a2 ^3 x" W
5 o F! t) ?1 K* t
to setup
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initialize-settings8 ^# o' U% T) A7 ~; N9 e
, ?* e7 Q5 n1 y# Vcrt people [setup-turtles]0 J" W! [5 K, i6 D$ r
0 q3 b; b9 F$ L/ B" w5 L; x
reset-timer) j1 B) I2 |$ n. ]2 U
1 a/ s6 c/ K6 t+ y- A' p5 x/ A% jpoll-class0 x- z8 G, O+ {' F* q
7 Y' Y. ?7 b( r9 t8 U- o* M$ ]2 B
setup-plots
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3 w, p5 T; t7 K/ _) Z# F4 w0 Udo-plots
: r8 M2 m/ @" I5 W* `end$ w- w) M: \; P: c E
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to initialize-settings! ~* O9 b" a, s: [/ ~! Y2 J
4 Y" ]' ?% H, T: a, @( U' Nset global-reputation-list []
$ l- h: |1 W8 M: e+ k8 s& t/ k! }# l# [4 }" H
set credibility-list n-values people [0.5]$ Y' {9 k/ x8 z
: j- ?, V% |9 o* |# U
set honest-service 0
* [* e( E( E1 `9 q7 D3 n; N/ l, x# J h3 g4 W- f' Y
set unhonest-service 0, ?5 [, l0 e% v6 k; w. \( {0 L5 f
: w. y8 G7 k. Iset oscillation 0
9 A8 b! |( u; X" c
3 U2 h2 L* ?6 j2 k2 ~3 Q% Y& Kset rand-dynamic 0
! c y1 [/ D7 s* b& c. w" tend$ P0 E6 h3 W9 f/ p, x- P
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to setup-turtles , o7 k: o& d1 ?4 H
set shape "person"7 h( J6 [: K- B9 t4 \) ~
setxy random-xcor random-ycor
# d3 @+ E$ |" Jset trade-record-one []8 ]# D) o3 ]7 _; z; q
; n- b1 t% h: Z8 F/ j
set trade-record-all n-values people [(list (? + 1) 0 0)]
+ ~( r! a, ?8 i8 j7 d# c
+ V9 U% N+ d0 [set trade-record-current []
2 d; C) u! K6 O& q9 R7 F+ t5 sset credibility-receive []1 H$ Y3 X) s& P& X T- _2 S
set local-reputation 0.53 I& ~8 B% T @$ s5 Q
set neighbor-total 0
" q; q- S) n- `set trade-times-total 0
! U& {* T: V0 e% d9 Y& [4 w3 W% Dset trade-money-total 02 L/ S1 C% z/ \/ W/ |) o
set customer nobody4 e" h: N" W. G s6 f8 x( G
set credibility-all n-values people [creat-credibility]1 p- k0 ^5 W3 ~
set credibility n-values people [-1]7 V$ }% u9 a' V- v5 l' t# a
get-color
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1 ^) }% e( s2 B1 d+ Kend$ h1 H7 j$ j7 z4 B1 U
. p. y7 X# _( F' Kto-report creat-credibility
0 M/ ?9 M7 Q7 F; Oreport n-values people [0.5], @& g# f8 s) A! ^8 T4 H
end) H0 ~8 W( Q$ A% P. w: O
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to setup-plots
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& @* K# W+ D0 N" tset xmax 30$ X5 E6 V; p' n* T
% l5 q; o9 X ~set ymax 1.0
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" c, F/ b5 ?7 t% o! pclear-all-plots3 U# {8 s0 G: l7 {/ D' H
. I! I( \: g; ^) n/ C9 Msetup-plot1
+ Z/ X) R7 Z: e0 J
( |" o( P: c1 ?+ K$ Tsetup-plot2, b# e! [8 o* Y2 i4 ^% j: e
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setup-plot38 z6 Y9 o: ?- J. B+ G5 _
end
1 J% S. {# `/ o8 n, @3 p( S' }; n- C0 B. E1 h; L; V$ t
;;run time procedures/ T' g) o- T [; j+ i& z
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to go/ e# T2 h6 l' S: n: l8 r
# [" U* K8 \4 h4 P' I& {ask turtles [do-business]1 x& M) X# p. A0 i& M# m
end! k7 `' N3 J, Z8 H( r/ j
6 c2 t: p" S1 I5 T: Hto do-business
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0 X) |5 C' U$ g- {, `# jrt random 360
5 t U9 P& f0 w5 T8 b9 ~+ C) C' H P! b/ B8 a0 W
fd 1( Q2 |6 f/ d3 `3 L {8 \8 X
( {* c X$ o8 Y
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here( ~/ z5 U% r1 l$ u# r/ R% c# q
/ ^' x/ ?- P2 H* E" b6 W;; set [customer] of customer myself7 k7 @$ A3 H0 \ t6 W1 U2 c
% Q7 o9 Y2 | w0 \, |" n! z/ Mset [trade-record-one] of self item (([who] of customer) - 1), X/ t. w: }7 P: r
[trade-record-all]of self" W8 o* \0 I, H
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self9 P" V/ ^. [% C' O. }
6 f4 `, e8 c. Yset [trade-record-one] of customer item (([who] of self) - 1)5 ]" `" {: m4 y0 I
[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self' e; N- g- H! l) F8 V# j
$ \9 }: r, X( c; B8 U2 X
set trade-record-current( list (timer) (random money-upper-limit))0 \; W" ^6 t$ o- G
" T& d+ A* f) p+ F. O
ask self [do-trust]- D0 ~1 `! ]* q& m, y
;;先求i对j的信任度
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if ([trust-ok] of self)8 s# m* T; _* ~ U2 \% p( y. `! K$ }9 z
;;根据i对j的信任度来决定是否与j进行交易[
- T- B$ n4 v# Mask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself& t. \& B% n$ \
; l1 j3 F3 ~# o5 R# N3 b2 K& i
[
7 X6 |' {+ c0 i+ s. D$ h. \% F( l
% x8 f9 Z" U& m: V* Tdo-trade
7 v' I6 U4 ]7 j' z `$ ]1 X) _) _
) @( O) X# q. r6 y+ ]7 }update-credibility-ijl4 d: ~. `' ^5 W& l
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update-credibility-list
* p: v( A8 Z, x s3 j* S2 S5 ?$ E0 m* c) H+ y( z8 s7 [
9 c( p& Y' P0 Z3 Pupdate-global-reputation-list* v% O! c3 t% T! |- X& a
, W: F# q0 Q! y8 I' R* \) vpoll-class( z2 b( `. Z$ U6 r' r
! E# H9 l4 R: l$ S* Z% J% tget-color; c7 q" A$ ?/ E6 C0 ^# v
4 b% _3 b2 z* I) ^" Y( C]]
5 S1 a/ t0 ?: q" I2 W" ]8 _+ d7 M( s" H* l( j) S
;;如果所得的信任度满足条件,则进行交易
. A: W; t2 u. D5 t! G$ V) n
6 @. w7 `3 n- Y6 f& Z* S- x[$ z& v/ W$ i+ s$ e% W
( z& B) L5 J. S0 w, Qrt random 360
- `! j. b8 f! `, \; I r( \8 @
# J: G6 N' N! `5 k) U& ` Efd 1
) Q7 E% t6 Q: d) T
# n' T% F5 e$ \5 w]2 G$ |+ F- W4 ~- q3 c. w' F2 ^/ O5 Y
5 U3 m/ {/ B w: Q% @/ oend
8 C& _4 a2 I' I8 k \8 B( o: R1 B2 `9 P; ]
to do-trust
' y" f4 f6 t1 S; iset trust-ok False0 m* |' l8 W/ s1 [" o) i: K
) P; a& S* ]0 s" K5 f% N
( ~3 b; h& ]7 }& x# l; m4 x2 u' K8 vlet max-trade-times 0
. c+ w/ g* N- P/ Rforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
1 q0 T3 G* F/ [. G: v: _, @let max-trade-money 0
/ q8 q9 n! p$ U% Qforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
! j+ d4 J3 U: T: @8 S' flet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
( i. N% }3 E- W# a0 m! [/ S& V( P5 q& W' E9 x3 E
; N8 R2 u( j# V$ H! Wget-global-proportion* \+ E: j( Q7 d% C" P
let trust-value
% d- R2 s1 d6 I/ p! A. O7 ylocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)4 J0 }4 o% L& f+ z( [4 h
if(trust-value > trade-trust-value)) l8 B3 ~. @ C u( v$ B, z
[set trust-ok true]
! }! A' M9 M" g1 uend# e/ t6 h: l1 h5 h& I2 O6 G
, C, G8 v- p. t5 i* S" Q; {3 tto get-global-proportion7 O# ^: C# y, c: F6 M- n
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3); O- h, B9 @ U) `
[set global-proportion 0]
$ {8 F! M8 _6 Y* \8 j[let i 0
8 S* W0 p3 a2 M S* Klet sum-money 0
1 t2 f. @3 X& ~8 Y) _2 kwhile[ i < people]
# @, ~* Z3 `5 `( l5 V1 s' k1 n% y2 U' X[1 @1 |4 R2 Y- H: N& o- y
if( length (item i
, j0 K1 ~/ e" Y[trade-record-all] of customer) > 3 )
( s+ Z4 f6 T8 ~[
* z/ S4 T3 h0 r0 G, x6 Pset sum-money (sum-money + item 2(item i [trade-record-all] of myself))9 R+ l" N( C. D5 c3 \
]' n; G8 ?0 I8 [6 g) n" e
]
+ d8 U* F9 }, u" ]+ }# b$ y( Wlet j 0
" K' g( G0 `' C6 n- C0 xlet note 0
+ W9 l# S+ P5 l% L$ wwhile[ j < people]: S2 q! ]1 B/ Y" [* r
[
% k, j4 I6 L0 s9 f( J% y+ {; ]if( length (item i+ j" a0 t; r0 |1 l% ^" j
[trade-record-all] of customer) > 3 )2 Q8 _2 b9 V3 p l/ i0 B
[" A$ p2 O' j3 [$ l$ r8 q
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)' C! t& @$ G9 E* j
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
/ K8 ]: N2 r2 ?# u# x[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]8 J' F- E5 ]5 l5 N
]
6 i9 Q3 y8 d. a' b, q- `$ H/ T) P" w( v3 R]( B3 v3 x( M% D7 C
set global-proportion note( C. e* M8 ^0 K
]
9 B" ~" k2 R6 o0 G2 |end$ p! ~0 _4 _+ x0 H
9 a' l( c! _' P+ Y7 {" z
to do-trade! r3 ~/ \5 a9 d/ Q9 S
;;这个过程实际上是给双方作出评价的过程
/ _1 L; b8 j3 dset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价0 C8 D) L& `! }+ d9 B+ B0 w' }) h) p4 K
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
! J* ~$ n% M8 b- ?, u$ M, L: sset trade-record-current lput(timer) trade-record-current
8 f- }: L; O0 K v;;评价时间
; d6 c' n9 B& s0 j# E# g: Task myself [+ k) D$ m/ ?8 ] b' X! e
update-local-reputation+ y% S2 D5 a v* q) X2 ?; N
set trade-record-current lput([local-reputation] of myself) trade-record-current
: O$ p+ A8 q0 u& K]
0 l* V5 _% S- X# |5 Kset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself4 V* W- p& k% {, i( _; d! E
;;将此次交易的记录加入到trade-record-one中; D3 ^( n& D( S7 ~. y8 c/ q( f
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself) I4 E8 |; A3 V4 {3 [
let note (item 2 trade-record-current )0 g3 Z6 E& O7 f- j! h) _, Y. Y
set trade-record-current
: p& K' c3 |. D$ Z4 S9 O(replace-item 2 trade-record-current (item 3 trade-record-current))
. Z. z; u. S' v3 Cset trade-record-current
( t* r3 }9 P/ i s(replace-item 3 trade-record-current note)6 j- x5 G5 ~! W) z# q/ K
% O$ K2 |6 g- }& O7 y) R: @. m
; w6 A! r7 S: [; Iask customer [
/ x% @3 ]- W' k5 ]- Yupdate-local-reputation
8 y) \) ?0 r' b; Q) V% J2 e7 sset trade-record-current% z: R. K0 W; k7 ^9 I
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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$ e$ f" e! C8 Z; s$ E' u# G# a* o' }% M l
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer+ E" d- c% B5 ]+ p7 p% f1 v
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set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
& D. s y$ O% B' r) Z+ z6 H9 g;;将此次交易的记录加入到customer的trade-record-all中; y2 ~+ i1 a( a' A4 _& M3 |
end
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to update-local-reputation" A# E9 p; w: ~, e# Z1 I% i, D
set [trade-record-one-len] of myself length [trade-record-one] of myself
! p' k0 t# U1 s( j5 s' k6 Q0 J5 t u l- V: I$ t% E0 K
" _( m1 x9 {8 Q' \/ G
;;if [trade-record-one-len] of myself > 3 ' I' r8 M9 \! A7 D8 i
update-neighbor-total
5 k# W, O7 }6 d( I5 x;;更新邻居节点的数目,在此进行
6 K, q9 U' j4 {2 H+ elet i 3. ?3 x- l6 m' G, v: K* c% u) y0 s
let sum-time 0
+ g- S5 |* v+ h# ]while[i < [trade-record-one-len] of myself]& F/ J8 ~2 W, G# U9 Q; o% }
[
2 u- y* }8 m% [4 I, u( Iset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )0 c f& T5 j; B9 K) y# O
set i& V+ ?0 z- a$ H# {
( i + 1)
: X5 a/ n% ?7 o. e$ C]+ n8 p6 U8 T) y8 \* g1 {- Q
let j 3
. M. v2 C% W4 \2 f: x+ p5 X4 Ilet sum-money 0- K0 k' A% R0 R" Y
while[j < [trade-record-one-len] of myself]! L# [4 a$ L5 v9 T7 Y2 ?3 Y
[
" Q8 `6 o- a7 n7 T3 i9 c2 Oset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time), ]5 b2 ?, I) ~3 z! I/ j, b4 Y
set j
' |. A% y' @( M: g: X6 M/ e n( j + 1)
# p7 K3 B4 M0 y9 o) a]' o/ Z/ o. j, ?1 h: a" _* ?- x
let k 3. a1 d1 I$ o/ @) N/ d! x* c9 [# X
let power 0& n( I" b/ }: N, _# B
let local 0# A! {% m/ o3 R3 e
while [k <[trade-record-one-len] of myself]8 ^$ {- r4 A/ k- Y) z% _
[
* [7 W& } h* C: J( Rset 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) 6 O9 [8 V1 _) r" g
set k (k + 1)
" h/ p$ \5 u9 t/ {0 a! j0 Q( T]# H# `+ @% a- |! P, g
set [local-reputation] of myself (local)+ [2 ?7 u1 i+ h! `7 E' K
end
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to update-neighbor-total5 p( z M6 z/ O2 N4 ?: u; v$ `+ P
" ] A# k$ g N. X) Jif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]& U4 J' G8 R ~+ N$ O
8 {& v* j8 B+ I4 v+ a3 w
' O9 n' Y' c' {! Aend
2 H, n" F+ x$ r# R* K T1 v; c. \- O* w7 g9 K- n5 Z" g& O. y- c8 Z
to update-credibility-ijl ) T" Q; r9 O, D4 z
& p, u0 M% f Y( A: o9 C;;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。
& `; F" g9 {4 P9 j7 [" O+ ~, Llet l 0
+ r' E7 t: a6 ^9 Hwhile[ l < people ]# L' T6 Z- W9 m
;;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. F9 _0 ^- {) Q3 y8 w
[
, x3 {# y# m- V+ r0 D" j) w1 ]let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
$ j- r# a2 l1 }7 G5 g2 _if (trade-record-one-j-l-len > 3)
; ?" [/ U1 {* |7 `5 c[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
! U1 `8 j( W7 K/ p. ~, Glet i 3/ E0 l2 i e `. _3 J4 i
let sum-time 00 h) o T/ A* }! V& d# [$ ?( ]4 {
while[i < trade-record-one-len]+ d# V7 V. s+ P5 i& |7 [7 L$ J7 |
[
1 @) b8 S7 D0 O" e. Jset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )1 {) e5 Q& F% |6 A8 M
set i6 k' K* }8 {- F
( i + 1)
" m1 @; T6 `" c7 m" i]
+ i8 k( F$ c. X' ]$ C+ } w/ Z Tlet credibility-i-j-l 0. W% r$ M/ k* B8 q6 Q ~" v: N( J
;;i评价(j对jl的评价)
* @1 l! `9 N$ K& {0 }let j 3
, x) J8 g: M% |& ], elet k 4
7 Z! S6 d- C: g& O8 |5 Z* |1 G- jwhile[j < trade-record-one-len]
$ Y4 O B4 z5 { j1 @- q[& L9 ~- f! W. _. g
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; @' D5 ^! y: a- x* c9 ?3 I' w# @
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)9 F( \9 u2 {- N3 k7 U! C
set j& r$ x/ E- d. s* I
( j + 1)
! R, [8 l f% ^" I* x( |]
6 K! w# E T- Uset [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 `! R4 C0 n# V/ R+ X! d/ J
8 u! L! \% H1 x b- [% {
8 r8 T/ _# \! f4 M
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))- p, _; e! T+ h+ u+ v
;;及时更新i对l的评价质量的评价, T. W% k* a0 M- ?
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]" Z* Z1 r) ^- y
set l (l + 1). w0 h3 v/ Q) v% [% ]0 M
]
2 f- N' H+ H! [end
- u4 ?7 f: k* l. B, u5 D8 K/ ~4 I1 X' h
to update-credibility-list4 \/ [5 g7 a' Y9 q0 p. l% V+ |
let i 0, R* U4 s; I, @1 _) _
while[i < people]& S7 ?$ A f% N! @* }2 U
[
" ]" [7 I- H* [" L$ \0 J4 [8 \8 ~5 elet j 0
1 E3 l( R8 d: L8 xlet note 0
- K+ O8 d; l- Glet k 0/ z# N \' g6 J. h L
;;计作出过评价的邻居节点的数目' m) h/ \# Z! B! W& `1 b+ p
while[j < people]& t& {9 N/ {+ g6 M& }: k; k9 t
[( x+ W; X* [+ f! M
if (item j( [credibility] of turtle (i + 1)) != -1)
' R! D5 _8 Y6 \;;判断是否给本turtle的评价质量做出过评价的节点2 v6 ^6 ~! U% W, e1 S
[set note (note + item j ([credibility]of turtle (i + 1)))' M) W$ V. K% d! H
;;*(exp (-(people - 2)))/(people - 2))]5 ]2 R# V) l: f ^' A G
set k (k + 1)
8 f5 `1 `9 @+ H, O! i]
8 P7 N6 h+ O& [8 }, Eset j (j + 1)( _" C# \5 w. s5 q, r0 |6 Q
]( x: o9 h! m, U5 d$ q$ I2 R
set note (note *(exp (- (1 / k)))/ k)
$ e) x6 ]! a6 p G1 L8 m2 tset credibility-list (replace-item i credibility-list note)
% ?5 O* O+ y P! _set i (i + 1)
) U' C% x! M+ Q* i]9 L. [7 l2 ]$ T
end
0 z- P9 x5 O: j& c* e. w, s* K& m3 g1 t- l9 d7 S' @- S
to update-global-reputation-list
, S7 k1 ?9 _! P- ^4 z- l4 B' qlet j 0
# k, {( K1 c# j! O- n; jwhile[j < people]
4 |1 t _: U* z* r[7 z: U, f' j( Z- ?2 t, w
let new 0
8 x# V- `6 P5 a& q5 Z;;暂存新的一个全局声誉# K! ^; [# A; f1 N' C- P' v
let i 0
8 r# w% }$ }4 i& zlet sum-money 0
2 A- |0 z- Y& ?9 h# ~& ilet credibility-money 0) v( v7 p( }* y
while [i < people]4 s1 \; h& M# \' o( z3 b6 m6 @3 c
[0 y S& Q5 V5 F: k
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))) F/ V6 x9 x. b# n. l! ~6 r! S8 x, m
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))2 s, l8 k" E) {" J7 r& @/ ^0 [
set i (i + 1)( t4 |* d! o% B
]$ ~4 S9 H" _" e( L
let k 0
! m/ ]4 a0 y E' t& L' I1 K/ i s3 rlet new1 0
; t; s1 O2 C5 ~" G, V& swhile [k < people]
4 E0 z/ o: J/ v/ b# O1 j[, |8 c! f$ }7 v5 \6 w! W* R7 R% j6 ]
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): O; I( q% e9 Z0 l
set k (k + 1)
5 q- x( i; w. \6 @]
|! J( O2 |4 W2 J3 b' ~set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
& {1 U" D4 T2 [+ U3 h* R. sset global-reputation-list (replace-item j global-reputation-list new)7 m1 S4 J& r! b- Z0 a
set j (j + 1)! F* o6 A. \4 C* R
]! S; {! H1 R' @! ^) _
end( j$ B8 d0 ]( }6 r5 @6 m
7 N" R, w6 |2 \ E* O$ x
2 h: N7 v9 z0 J# i9 M7 u, p
( r8 D' {4 b# e' d. q
to get-color
2 P5 D+ x! }( i% W, d
9 p8 `; ]0 C# N7 C8 Jset color blue
# [ D; E' S* b# ?end& q- D6 ]" }% M' E( Y% L
6 A! ?, D2 Q/ ]to poll-class
' @# M$ y0 L! t1 S4 nend
. a0 h, n/ M; A- {& g F! O& ]. i# [+ ~; o8 r9 y
to setup-plot17 M8 y; G/ x; D8 n4 M; B
3 q+ ]% s5 A9 M7 V& {
set-current-plot "Trends-of-Local-reputation"" | |7 R2 n1 }5 j+ X
+ }" r8 h( `& Y8 t# |) t& Q5 B6 H& g
set-plot-x-range 0 xmax
* [! s% e! r) W
! h+ H: V. w0 O" A7 e k9 s: t2 p: {set-plot-y-range 0.0 ymax
; {. l1 @. F2 _# _; tend. V x+ j% G2 Q# M; z9 O
1 \6 c, C) m2 i$ \# ]
to setup-plot23 e% L9 Y [; b% z
: l6 J6 [% r. s6 S8 xset-current-plot "Trends-of-global-reputation"% z( ]) d2 ]: o1 f2 F# B
[" f4 K4 g8 n3 }2 eset-plot-x-range 0 xmax* E: f; V1 m: a, l' [" B
' N1 o3 w# Y+ ~& Q. e
set-plot-y-range 0.0 ymax$ u* u4 w1 @* H, p
end0 E) N1 C5 m+ q
7 G% h6 U7 T* I+ B- j5 wto setup-plot3
& u4 Q1 H: `4 _( F q
* U9 R3 @1 N0 e: K$ c; p, n; T3 B0 Uset-current-plot "Trends-of-credibility"2 X" T' F1 g# A: u
" O6 R" L3 M: m+ e" m) G0 `7 Qset-plot-x-range 0 xmax
- Y# C2 I$ b# D1 o- @6 a: S* o" E
set-plot-y-range 0.0 ymax
$ L N3 C# f1 \0 X# qend! E" R- X% ?+ L% `
& _: \$ N4 H G# `! S
to do-plots
8 { ^2 |+ L6 {/ ?; Lset-current-plot "Trends-of-Local-reputation"
% a$ }( M' f' X5 N/ m8 q% Uset-current-plot-pen "Honest service"
/ L) _. K* i! a8 ]end
7 G( g1 Q9 l* e
( j& A$ G3 A; }& m[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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