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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 X1 b: N* S' C/ U- `5 b' s* G0 H& Pglobals[& p0 H7 T6 o' @& l2 c4 g4 y
xmax- Y1 p$ b6 u5 H5 i( ?
ymax
H6 R) C+ W1 K9 nglobal-reputation-list/ O6 H, A6 X! z% v' b1 p6 S2 a
0 l3 X# j# n+ `, k% V
;;每一个turtle的全局声誉都存在此LIST中- l6 D4 z! n! `4 X( n7 n8 s
credibility-list
$ s" Z# g- W' `7 f- h# L;;每一个turtle的评价可信度
, e, ~* t! e3 g6 Fhonest-service
# ]. I6 b9 A. H7 J, T0 V9 _& Uunhonest-service* u( U3 D& a! M5 Z& d! g, W, z
oscillation; d# G7 m) F# f4 W( q* S, [
rand-dynamic
5 @5 h' i8 y& N/ J+ K]
8 [0 o/ k0 t8 q
1 F6 K( M& w! d& eturtles-own[8 Y, W( _2 J- L7 F8 \* ?7 M
trade-record-all3 `; _$ N( `+ t
;;a list of lists,由trade-record-one组成7 H6 Y7 G' t4 [- g
trade-record-one
6 u0 o6 [( _4 p5 @;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
; Y4 R: l. t5 o4 \% F$ ~ Z
7 a) I; ]9 K; s7 e+ W% G4 p;;[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]]: n- A* q' @1 s$ l0 D! e1 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]
0 h ~% R/ G$ tcredibility-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list0 T8 c, B$ ?; x' w0 ~# q5 h
neighbor-total. O. D, m- [5 M9 @& |+ O
;;记录该turtle的邻居节点的数目
& V( J9 N) c2 ~9 wtrade-time3 K9 K* }! ], G5 ], T1 y* I' V
;;当前发生交易的turtle的交易时间: G, I, J; w2 t, L, c, f
appraise-give
; @% F% v* I+ f( ~* U;;当前发生交易时给出的评价
7 L) U# U# e0 d+ m! `5 b3 i# r. `appraise-receive9 I# Z s1 m3 j
;;当前发生交易时收到的评价
" U& j a! A. [( Qappraise-time2 s4 ~& h2 {4 {& l6 M$ l$ J
;;当前发生交易时的评价时间
' e l! y8 C o7 e' y( o6 E: Nlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉1 q# s2 r6 G9 ~7 `% U# Q+ a* g
trade-times-total) L0 T6 N$ i# U( _& k$ |0 {
;;与当前turtle的交易总次数
5 m! t j+ K4 E O3 D v! y3 n, a: G" Wtrade-money-total
% o1 ~ o& O1 Q# D& Q; f;;与当前turtle的交易总金额6 M- O6 ]4 Z8 I# I# e& o. H( Q
local-reputation5 m7 a( [/ n4 s x4 E# B _1 Q6 O e! m
global-reputation O4 W" ^( s! _, Z) e
credibility) m1 a: \) ^) L
;;评价可信度,每次交易后都需要更新, k7 ^: s+ i3 x( ^
credibility-all
6 m, R) K9 F9 P! o+ _( i* \# n0 O;;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
v9 U' \* W0 { X7 T2 X4 B
" G6 L! P8 C/ _;;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
" ]- F; W. G" m0 icredibility-one
3 y( C; [7 d( ]8 e) d;;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
( i) c5 v- _9 Q0 Zglobal-proportion" L% i' g# r3 U
customer
" p& q. d2 C0 y9 t- `9 r! ^6 Fcustomer-no, O8 O: B* C0 r" r% F8 d. J. I' O" n; G
trust-ok
. ^& ^; j2 c6 ~5 h' [trade-record-one-len;;trade-record-one的长度" L4 \4 g, u6 |! O
]) Y) t+ o a8 D4 ^( o$ h
" k5 ]3 [1 S0 f$ W;;setup procedure
! }7 q: Q7 s6 z! x+ T N0 U1 \2 I- m1 r# R, h3 C7 n, ]( p# _
to setup
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8 M2 O1 f" D C+ C0 Fca
1 \/ F( N: @2 g9 s4 c9 n% ?' @; e/ F2 [# {% U8 m* }/ S# C4 s
initialize-settings7 u# w2 l9 \" n7 @
: V- D. ]- T- ]9 j8 @
crt people [setup-turtles]) ?# y% S& l% C
, e$ I* L9 P, ~6 P2 E
reset-timer
/ O/ X7 h1 N9 P j' U& r0 S" g1 \4 P% s! W' }
poll-class
( W, j7 G4 ~0 e4 L3 Z6 f m) ~5 i0 O% `6 V+ I
setup-plots7 K# a; Q5 f7 w6 q' t0 V2 |! ]
5 V1 t: n" M0 r5 O
do-plots
4 h5 r+ R9 u3 i5 a8 Vend6 `6 \' |6 H% U7 h; g
# m) r1 y* N, E* y& e A
to initialize-settings
. M7 h9 l! J$ m6 \3 u% c& q* [8 W3 S4 I" N, R3 ^
set global-reputation-list []+ C* V$ r, ]0 B: b
! g2 A" n" B! m7 m V, G
set credibility-list n-values people [0.5]) o: l; v5 D0 @) ~
: ]# U, f; c& Q) |: j
set honest-service 0
7 h* y% F3 J& C" p& X7 F, u9 a: i$ K- S# u5 |. @$ R
set unhonest-service 03 w/ W$ `, `& Y
; e* s6 t- N# K7 B* x2 V
set oscillation 0
7 l- K) j2 m1 ~0 n' k! k; D; y
M4 y6 Z% C& ~- {+ W$ A" W1 Lset rand-dynamic 0
& ?: C2 o) c3 b8 i+ Uend+ ~, |% [/ K6 H3 o8 B% F i# C' [
) Z# O* l, `% i9 n$ R, Lto setup-turtles 0 ^0 r+ w4 w6 Z. D" B
set shape "person"% K, y6 |2 g! l8 Z
setxy random-xcor random-ycor
* f1 `; E9 t' ?1 ]. p& zset trade-record-one []
- k' e: L! d5 \( e
0 s) k1 G" w. ?4 c, i/ t& H2 \! cset trade-record-all n-values people [(list (? + 1) 0 0)]
3 k- W# [* c5 u% A g" s$ ? N8 |- i7 Y( L9 c+ L5 i7 i
set trade-record-current []
" Z* a4 v$ r& X) R( aset credibility-receive []7 i1 v4 \" T& L/ T' P, ~
set local-reputation 0.5
" Z9 }! J2 j5 _& a+ p' X' n6 M9 Yset neighbor-total 07 h! B, q7 D! [8 I/ c
set trade-times-total 0
- q/ Z1 P- d8 ?0 b: jset trade-money-total 0& O) H9 p1 V' W m
set customer nobody$ |, \- Z* c& e! L$ C
set credibility-all n-values people [creat-credibility]
5 D0 W! k/ M/ W" I/ X1 e. Uset credibility n-values people [-1]& g0 w3 p. P0 u5 c) w) p
get-color
( H& C* c F* q4 y* m2 f, E7 Q. f7 d( P. m
end
, M" |6 N# e* l2 b5 {# f7 _0 A& Y, |2 }
to-report creat-credibility3 }% Z7 f4 J0 |& n3 L
report n-values people [0.5]& z& ?3 l1 U7 f9 o4 X( e" p
end
4 A, `; o4 w) L. V# J' C% l3 {+ i) @9 q9 y2 D
to setup-plots
2 n5 a7 [+ G& q" m5 E- u2 t9 I" H. e, T7 c6 D2 y1 R9 e* @3 r# z( w
set xmax 309 D$ {# }9 N5 y# f
; h- C5 M* q [6 E/ e( M. o& b- vset ymax 1.00 M9 X1 W- @3 b9 O8 s# a
; N7 \( p( s0 U$ ]' \3 L
clear-all-plots9 d! C# V9 P/ r2 B9 z
& _8 e& S4 n) w A, Y( ^
setup-plot17 i1 I8 S: \! |/ s
O: t$ S$ ~) P. esetup-plot2
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setup-plot3
2 ?: {9 S, U/ P# Eend" [, w7 A$ m. S' C" }, N" i
2 C' z+ O: W! s' o3 Y7 N
;;run time procedures
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$ f/ Z' D# `8 e yto go; x# S% R p, {) d9 \
( @% o: N1 c9 r5 d* Y4 K
ask turtles [do-business]
, C1 L9 f" v6 d' aend
7 d5 Z5 ]0 s% { E4 f) B2 }! W; A" g% f( \$ m. d9 u8 `: ?
to do-business " I( @) {/ u* a1 i% y& w! Q! Z
) C" R& u+ h) |, r* S0 I) t
0 d# \) o4 ?! s: n+ Ert random 360
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. P6 a. Z3 k; ~6 U% I+ kfd 1
" i1 M, T J5 r6 Y; d+ i
# G9 U# Y2 ] o+ h% v9 Hifelse(other turtles-here != nobody)[
: {/ ^" H" Y" w' g8 w2 M \% u& \
; D2 v# e$ D8 q# Aset customer one-of other turtles-here" X* L: i4 y" Z& W n
$ o- w! \3 H; I
;; set [customer] of customer myself# z/ v4 k- L& u1 W
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set [trade-record-one] of self item (([who] of customer) - 1)
7 |3 ]3 S, u3 h& Q0 G( ?% `[trade-record-all]of self
! l) m, X: k9 ?3 h;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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set [trade-record-one] of customer item (([who] of self) - 1)* ~0 e0 ~+ x% W8 n: X2 a* x
[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self* ?+ X4 W @5 E/ v$ k/ s0 @2 i
4 H$ F: L6 x/ A8 K$ bset trade-record-current( list (timer) (random money-upper-limit))0 ]- y2 D# O# K1 {0 Q; |- f
* S- P! l, y: D/ G8 x# p5 Rask self [do-trust]
$ t2 N9 R- v" n4 j, ~1 r. T1 ~% {+ T;;先求i对j的信任度7 C& l f1 [4 F* f" d% j5 J& F; _! k
- J I& ?3 @; I" X# e+ K( ]
if ([trust-ok] of self)1 W& N' i6 e7 B8 B; O3 n2 f
;;根据i对j的信任度来决定是否与j进行交易[3 f/ x; ]& c: n4 X3 Z) Q7 X0 g
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself/ W l, x: ^" H! z
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[
' I- \0 B5 l& q& S; c, n
! ^* N" {) t0 K! G; ido-trade$ S7 p E+ ^* d5 `8 k; w
% X M0 ^0 Y9 P+ w( U9 m4 `; mupdate-credibility-ijl
# ~+ g: D* x* ^
; c/ M+ ~# U! [9 Q" Supdate-credibility-list4 c. E1 a: D; f& |2 F
9 n5 J$ B' m: @4 L5 [
8 Z7 N! ?3 X2 j6 [, m& _- h/ Q; Vupdate-global-reputation-list; a( R" r9 a" _! p" g
( j- b* D' `% fpoll-class
6 @- z) k$ q. a$ r# V% ^/ M' _) [9 l' E3 ?: E; j
get-color6 G( A( Z6 b& ^, J3 A
; Y2 g. h0 a3 r: h]]! t- o; L5 v4 ^7 D, [- l
- X" h3 j- j6 R# b
;;如果所得的信任度满足条件,则进行交易0 Q; u, |% j: u$ W6 s
6 r1 r, e+ O ^( W2 D[3 r6 j* S4 P1 q1 Q7 {; }
# h* k+ s& u. O0 S! urt random 360
5 O# C( C. w1 P u% O' d; Z3 J
& t: S7 A, }! S/ gfd 13 i I7 J" J: ~) G
( ?6 H9 k2 Y$ _. r1 }6 }: y# ]7 [5 {]2 k B+ }& s+ A4 f- ^! ^4 O
7 K" f* B/ @. p/ @2 y5 n. b
end
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8 b. z+ U- z/ q: ?/ P; \- K5 @to do-trust 9 @) D7 i8 D. w/ F; P
set trust-ok False3 A* M5 ?( a. J0 K% j) ]/ ^; f
7 \, ?- ]$ G' O) z- \6 F
' Z( |$ q) I# X) F- v* C K- Zlet max-trade-times 07 g/ i' v2 j$ c# B0 Y
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
7 s8 u0 z' A* w" v7 ?) hlet max-trade-money 0
0 D9 I8 S; S7 {( b' D/ t$ j5 x& A; lforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
7 v4 V$ z( C0 {3 qlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
; ~" J' n8 ?- V
* j, u5 v! [( ?; O
. W4 O! W" w( W' U |get-global-proportion5 o0 y& g) u9 z, T/ c
let trust-value; y! O' m6 S" u8 g. V
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)
% t! t2 i: p' |6 T8 h4 T9 Tif(trust-value > trade-trust-value): f+ D5 }; Y r5 Z# [' H! @- d/ f, x
[set trust-ok true]
4 f+ F' r; [0 l9 n+ rend
% t. y. E3 U# a
. `# W# N, c0 mto get-global-proportion
, o) T( K( F, v+ rifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)9 Q; ?+ _- d0 E
[set global-proportion 0]
% }5 X2 Y8 M; U3 C- @[let i 0
) D6 @7 j$ l; c/ wlet sum-money 0
7 Q. j; p: x. g5 T0 E0 Xwhile[ i < people]
# G- `9 {5 t9 b! `[6 }' z9 F2 d7 P% A0 o) D( Z) J; E" _
if( length (item i
2 u$ r5 X U) W: H3 V[trade-record-all] of customer) > 3 )) [+ ~' @: K A8 L
[! c% c7 e: Q, J! M0 ^
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))0 d! H; u% _, |( ~
]; t+ J' Z( ~% f( S2 r9 h
]7 c; S4 }% z7 p
let j 06 b4 f2 [0 g# M% t7 l
let note 0+ S" ~, Y# C) _+ p) H, k0 ^
while[ j < people]( x% {, `$ S) J7 \+ k. i4 L
[
' W5 ~. P4 G' ^- U3 ^4 X* z# [if( length (item i
- h$ Q1 o4 Q+ e8 i) O G7 F; a& ^! A[trade-record-all] of customer) > 3 )
: F X& E4 N1 t4 j6 a[
% U; @& ?( E) } l4 qifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)% \5 j7 [8 [+ c' L! C0 D8 K
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
( G9 z1 b. z+ ]! ^ P[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]$ j/ M3 \6 q, D0 ]
]
% q1 n$ B5 d1 M) R9 B]
9 l! s4 ^4 i) }- g; Rset global-proportion note b; Z" h4 u% V
]3 I3 o$ Y3 w e, ^" Z/ z! x
end. ?/ W9 D6 ~3 f$ I8 q$ C
# J7 O: o. C [2 qto do-trade2 g7 c0 I9 o( E0 Y; k0 f4 O
;;这个过程实际上是给双方作出评价的过程, b0 B$ D8 l# W! H- W% i
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
: j* @) Q, y( ~' y/ Iset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
' [2 q' I4 F3 {7 Q' U6 c- ^set trade-record-current lput(timer) trade-record-current
" S3 L( `4 S6 `5 ?, `;;评价时间
, \9 m. c! s. m7 Fask myself [
% N2 m6 Z! {$ Lupdate-local-reputation& S ^: H4 e' }) J, Q) h% G! ]
set trade-record-current lput([local-reputation] of myself) trade-record-current5 E- Z6 ?+ G) x( A: l5 l
]& ^- j) j. d% X) r% f* d, a6 {! P
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
$ b% n1 \5 r) Q8 R* n: h4 \;;将此次交易的记录加入到trade-record-one中
7 x( W% r/ A; E8 z. A' N8 Hset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
1 a m, N8 L# J0 Blet note (item 2 trade-record-current )
( G3 c: p( e' U, c8 z6 Y; iset trade-record-current
+ q4 T0 ?4 [& h% |% w' ~/ W/ N1 V(replace-item 2 trade-record-current (item 3 trade-record-current))
$ [* n# m! k7 f3 Kset trade-record-current
, B3 B4 n$ c/ n& k" i, E9 ?(replace-item 3 trade-record-current note)
% E! v' R/ A% `- P4 ~4 B h3 p7 b
$ x* F9 d( e, s6 p3 C8 ?
ask customer [
* v- X9 A9 q9 C3 d6 Q6 |8 yupdate-local-reputation
3 H0 r5 N \# }set trade-record-current l' X8 R8 V% @3 v
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
) R* n) T; t0 Q, O% @2 m, }- ?8 O; J]
7 X' {* I) b0 C* A4 {6 P9 p
- j. n$ {2 j& w, ~2 M# o# `9 n( R! n6 f! v7 G8 ~ n
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer4 K; \% T/ r5 W
- t3 }* {/ z1 r, K6 F
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
. [) h# r( q: _1 e9 i) j" A1 z' ^7 E;;将此次交易的记录加入到customer的trade-record-all中
* Z/ f' O: d: Y8 Qend' p" B9 Y& G7 i
2 w; K! F0 x& d3 O2 b8 n
to update-local-reputation' H3 M8 l9 e" @% r& L+ b2 h
set [trade-record-one-len] of myself length [trade-record-one] of myself
! F( h0 W( }6 L3 P
. B& F' p0 Y+ f5 s) c7 _* f! @4 u6 _- e/ Q. P9 e# a
;;if [trade-record-one-len] of myself > 3
( X7 j& \ E9 u6 t" L' t/ O8 g( vupdate-neighbor-total3 |+ N% U' S7 S" {6 y
;;更新邻居节点的数目,在此进行
/ _' Q0 o9 A9 A5 Dlet i 30 { y' X- J' O7 ]$ T
let sum-time 0
2 V L+ B6 |/ T4 c/ e0 \- |$ ?: x7 F$ \while[i < [trade-record-one-len] of myself]
8 z4 ?- e. o9 _8 _5 \2 m[
8 d- y& W5 O4 x G. Pset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
, n4 N' l# g2 m1 Y' Hset i/ x) C# r2 i: K' A+ h/ i/ j# J
( i + 1)$ N5 r$ }0 @. V) F# h. L' b
]
; Q; J5 z& p2 V Qlet j 3
, Z5 Q. l% N5 Wlet sum-money 0
" f' _% P" L1 {4 r& z8 Uwhile[j < [trade-record-one-len] of myself]' R0 a: n4 E& T- w/ ~1 ^) |* }
[
9 F, j, @- J% H( k. h# Eset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)- F2 D1 D$ J' L% P, a: ^+ Z: `
set j
; G8 h8 j9 }+ }8 |9 ?( j + 1)
+ E# G/ l8 ]1 U# x5 f]
8 e- N5 S9 O! x3 i: j% plet k 3! w3 W5 J$ L0 M
let power 0
' B. V4 _4 j0 ~3 e8 X& glet local 0
9 p% i4 Q& x$ N4 I8 rwhile [k <[trade-record-one-len] of myself]3 k1 Y- D% S7 K; `, V1 T
[
+ G* ]0 d' J& r9 D, n; X1 @" Tset 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) 5 {$ D' L- G( M x* C
set k (k + 1)5 w9 }; Q% M) \$ a0 v
]0 Z! z. K1 V6 w; H4 U. e5 x% z0 |
set [local-reputation] of myself (local): m* f3 ]6 [( U/ U: _4 l
end
( m! r3 L8 `# {' O9 b$ `4 w- G) l
9 C6 w3 ~6 Z* b4 {to update-neighbor-total
" d' c# b; Z9 }8 x3 V
% x" Y6 \$ Z& }3 Y) a+ v, a4 G Tif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
4 A5 c& d0 e, g1 K" v. I( O
& |( Q! s3 _ P1 s9 L) F+ ^9 z
* h% u3 d' u: D C- Gend' X3 [) L, L! ?, q1 r
, D& j$ {- \! q) sto update-credibility-ijl * _0 L, `7 Y9 r: W( K4 T/ @) Z' ~
5 ^8 _2 Z. q* y5 `;;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。
" g* \3 N/ ^% D9 N; W5 U+ F5 M9 Blet l 0
/ g& x: E8 q H9 [) [ gwhile[ l < people ]8 e N9 L* y( N1 ~$ l) L) ?7 B- J
;;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
& l! U9 |% m* v" P( L- N' Z7 M/ g[
8 P& W6 w# r" D2 M+ |6 c. b% elet trade-record-one-j-l-len length item l ([trade-record-all] of customer)" T* u0 f$ |, y" R, y, }4 z
if (trade-record-one-j-l-len > 3)2 p& h/ p- B# G
[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. I3 {! o- }) A) x4 w
let i 3* a( @3 `& h' K, \: x
let sum-time 0
( N( k( I; V. F; mwhile[i < trade-record-one-len]% r) X9 i6 X) ^ ^
[
) ^# c, k7 y& g% o; ^0 z' Jset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )) R1 y Z- x* \+ a" ^
set i( v g' m6 _$ s
( i + 1)
. A0 H1 d- y/ u8 \2 w3 @' t- E]5 z7 i7 h" e8 y. R4 ~
let credibility-i-j-l 0
* W# G7 m1 S6 _! V0 \;;i评价(j对jl的评价)
. |. X9 i$ N2 \0 P1 ^let j 3& ]5 g- S& C7 P7 p3 F6 d) c3 x
let k 4
( R7 p. X* H9 Z! y! H$ Fwhile[j < trade-record-one-len]; l3 I T& S) o7 x4 _
[
/ _* s, W! D0 u+ W& ywhile [((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( s! G7 d9 A% Z! h, l6 u. ^
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)
( H0 m! I& q4 J/ F, V# n% rset j
+ F& h/ X( s% R# p8 q( j + 1)3 ?6 i) a1 W( C9 s5 m! O( c
]
! @1 Q& V! t1 Eset [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 ))
- o! L; P- ~- m1 ^8 Y# h2 E9 w8 B! h
' m7 ?' Y' k. }# Plet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
" @2 C G8 i5 n6 e; W7 X: a' U;;及时更新i对l的评价质量的评价
: [! K( n' ?( W, \set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
" `& X- d# X- l: j% X& n, Jset l (l + 1), C( J% J/ {4 G! e5 D' x
]
) [" U, ^- Y# T x- Tend
" p2 M$ p) c7 ^- N
& P# D H4 b/ w" Q. ^to update-credibility-list9 }9 C& u3 V- @& X7 }+ d6 K: P
let i 0
/ W7 F) u+ g+ U$ x3 h; i( f: Cwhile[i < people]9 W( ~4 ?3 u0 r/ T9 \1 H8 m. I/ j
[- p0 g6 A; \! K' Y3 ^4 q
let j 02 U n- }4 k2 ]: M2 p4 o' e
let note 08 _4 y0 o% z1 Z! _
let k 0/ w) D3 }7 s$ Z: X) g* K6 d
;;计作出过评价的邻居节点的数目
0 }8 \' D' ~, H' b$ a6 A4 Awhile[j < people]3 N- M2 Q2 Y6 A$ h) w4 Y( V/ q
[4 \2 ?2 {- A( U! R
if (item j( [credibility] of turtle (i + 1)) != -1)
1 d" p/ P- X. f# ` n& w( F;;判断是否给本turtle的评价质量做出过评价的节点 S5 c2 J8 u1 n4 v+ |, k- C
[set note (note + item j ([credibility]of turtle (i + 1)))* O/ `8 s& b) ?
;;*(exp (-(people - 2)))/(people - 2))]. F! X& ~; | }) t# i1 M2 b& s
set k (k + 1)
. Q$ X, F. ~+ s7 d+ N]
: D! x, ^0 O a+ C+ u7 uset j (j + 1)
8 M! I. V& p, D/ m$ e9 y4 B]
% W: c& w& l- z& |& hset note (note *(exp (- (1 / k)))/ k)9 |7 q# a2 K" C, G9 F
set credibility-list (replace-item i credibility-list note)( u2 r5 k* u- C3 U, e# B* ]
set i (i + 1)
; I( n5 ~; G0 N, N. \" \( J]
, g3 T+ g; D# o Eend/ E2 Q3 S6 Y' k# Q; e: P Q
4 c/ `+ e g( P& Y- Xto update-global-reputation-list$ U- }# `3 i8 Q' N
let j 0
) E) c& V4 c' M, E" H2 G# ~4 mwhile[j < people]
0 ]; q; ]/ _! F[
- b& K! `. v- Rlet new 0
* @4 E: m7 K# k# Y3 a J" z' k# G5 };;暂存新的一个全局声誉6 E' D. a r% s
let i 0
1 {3 {; |0 t$ C' ?) i# Xlet sum-money 0
- l3 ]" J$ y& c( }" {let credibility-money 0- T+ k2 Q* F" B, `/ q' m
while [i < people]
) K2 z1 Q3 R0 r4 L6 m[% {, _1 l, F& A/ [
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
9 T9 M. Q; l: Dset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)): [8 ]; K0 ?; X, \3 g2 f
set i (i + 1)
! }- S% E+ M0 |9 y+ N8 K9 s]0 X D* `% Y. C; P* g& z2 |- X+ \
let k 0
1 `/ A8 p F$ {/ B2 X& c/ F8 ?let new1 0+ H! D! O: y7 p
while [k < people]
# Q) W- X. k/ d* F# h6 Q- A: z l[3 u2 L: i* l+ Y8 J* r. U0 A9 P2 ?
set new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)
' _7 W1 d4 F" w( t4 x8 sset k (k + 1)
" m( t9 J1 m. E$ t]
" s: l& Q* K" l2 J1 s) Nset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
2 f$ |1 @, \) Z# v* {8 gset global-reputation-list (replace-item j global-reputation-list new)
5 f& x8 D, ?- }9 t2 X/ t8 e2 ^set j (j + 1)4 k+ A `( P% @( G' K0 `4 `# _8 W n( D
]; X1 `+ p+ @' f& A, D2 D
end
/ y0 i# `2 q& v% x2 G8 r4 U! Q2 s
7 Q5 P0 D5 J- e3 U8 m- O* ^
! s; }! A) a8 n# }' _' H; ^# ~2 R8 a8 P1 x0 R% x% _
to get-color
+ n3 }. x8 W |4 R4 ^
; k4 H$ {8 k3 m7 J2 hset color blue
8 {! P9 T$ Q# T, Z8 send
& k' n1 P4 h$ V% _* b. {( g
$ \1 S% M$ I" D! P& ]% s1 qto poll-class
' p! K# e% O a# ]end
# S3 n6 f9 A6 M7 U
+ h5 L( U! j0 C1 t' F' Fto setup-plot10 p2 f K7 v7 g! Q3 n- Y, S; U
" r1 T! o, H2 Q) o
set-current-plot "Trends-of-Local-reputation"! r) I9 s4 ]8 C. [: f
% f, k4 _3 [4 q i' F" I
set-plot-x-range 0 xmax
2 z! l1 b' A6 ]9 C8 g) |
+ j' @8 _% U$ X" s, _8 P* Zset-plot-y-range 0.0 ymax
: t$ }6 W3 R7 `6 c7 a- R2 d2 rend
) [7 P' P! f) c; q1 r. x
; g" Z- F: A0 A0 Bto setup-plot2. k$ n& T- [1 U0 J
; k! w# K! Z" U
set-current-plot "Trends-of-global-reputation"! [! r. O' k8 B+ c/ X7 p. z9 S
5 ?4 g t: L' p9 i5 hset-plot-x-range 0 xmax. h0 R4 c1 ~7 e; z, n* m' L
2 v4 i2 L* Z7 K, Q; p0 eset-plot-y-range 0.0 ymax+ y3 X( ?8 W4 p, y! U8 p
end
+ v* w5 r2 e8 ~$ g/ G& z; a# ]8 o) K7 D4 s9 k* V% A
to setup-plot3& b K k; B2 _. E. n7 E; z
5 K* |& L5 G# y& \; l* nset-current-plot "Trends-of-credibility"
9 I) ]) _4 E* Z* w5 e
% C& z) M, y1 H$ P5 [( H/ u8 Zset-plot-x-range 0 xmax
7 i. l3 J: e! V& E/ f4 G) G* B# J
+ Y8 }6 y# ? c& E3 }; [! vset-plot-y-range 0.0 ymax- q, _" W, C9 k4 j0 k
end
0 E$ l+ J( G8 x& m% q7 t9 Z* a+ t8 N9 S& b
to do-plots
1 Z d6 l2 D& n) c0 Dset-current-plot "Trends-of-Local-reputation"
& v9 l" w# p% z+ b. A' F1 X9 J( d1 }set-current-plot-pen "Honest service"
; c$ ?4 q8 A) i. H+ I: O0 n, [! D! F$ kend
8 O, E2 {6 g! q5 a
2 ~2 v! R. d8 P[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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