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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: v8 \* @# D% N
globals[
% I0 u# Z& u4 T. e4 b3 Xxmax& E# T8 Q, r. ?) t
ymax' t3 m0 T4 _) Y6 J Q
global-reputation-list
1 n' X( l5 C% A+ T6 S
# q5 E% M8 V! Z;;每一个turtle的全局声誉都存在此LIST中+ @/ l8 {+ V# f$ f0 _4 d
credibility-list, q' o' e7 S/ t! Q: \
;;每一个turtle的评价可信度8 d( U; W" n, N+ U
honest-service; A0 J; Z3 }/ {( l1 e
unhonest-service+ ^& o1 I3 h' ~" A* c: w
oscillation" j5 B* s- I u/ y: G" T: o! H g
rand-dynamic6 D( [9 l% C2 u2 y" ~1 A# }
]3 y, I+ M# R& ~2 H2 Q* y5 M
5 A, `' A* D) Y5 G2 jturtles-own[
0 M, F" H6 p# |5 @9 j- w# Ytrade-record-all$ T0 T4 t- W" V% j
;;a list of lists,由trade-record-one组成
: {: F* q* x- `' P# k7 Gtrade-record-one
& G/ x/ K% U: X;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录$ c8 M7 K$ V9 J) U& v
. B& G3 C$ L+ u/ K; v
;;[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]]
. X. R( h- e! t- s3 A$ Xtrade-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]
) f' L' n% e% P0 }& {. _, ?9 `0 \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
9 g% J# J5 Y! M, b: S; f, m. _neighbor-total
- w/ E$ |0 b; ]) d$ \8 z* A;;记录该turtle的邻居节点的数目 b. Y2 E9 p8 R" I. |
trade-time
! {/ \' r' M1 Q3 ^;;当前发生交易的turtle的交易时间
* v/ H6 V0 k/ C8 F: ^5 _5 z$ f# aappraise-give
0 _1 r; H2 \+ a& H;;当前发生交易时给出的评价
% X) N# |/ w2 ?% Z6 L5 E2 M6 Jappraise-receive
! w# U+ f) f/ e. b: `# F9 S;;当前发生交易时收到的评价- G) C9 W8 ?& J! D- [
appraise-time9 j( P8 I9 O2 {& A4 U
;;当前发生交易时的评价时间
4 c% ]. D& {* i0 c- h! N) \. a& Xlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉4 B& @5 Z& I" W1 J
trade-times-total
2 v# r& u0 @% r) M& O;;与当前turtle的交易总次数8 L- g1 [* f2 X, B; ^, P; d" ?
trade-money-total( {: \8 X0 n: B6 e2 D1 R, R- u
;;与当前turtle的交易总金额( L( K) M) h" D6 l, N1 }
local-reputation
9 m$ J. _7 M2 i' _! \8 V+ oglobal-reputation% `! t4 s) Q! }: O2 Q v! u
credibility* J; ^# J( G {" z3 U3 `6 `# R& v
;;评价可信度,每次交易后都需要更新
]6 W, l& R" u# Ncredibility-all% Q0 v* S5 ~' t: v _" s
;;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# `8 ?# S" F. g# m$ [% T, R
/ O) W( \9 U; Z2 u" u7 z8 ~;;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+ ^% ]& Z @9 H$ b8 S$ B- ~: m! E' {
credibility-one) w0 E) u3 f' d* q- a
;;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
7 t5 y/ F% U2 B2 u- A8 fglobal-proportion2 F3 a: C1 @& y- r
customer8 e3 k* y5 L& p/ ]4 y$ m) C$ i7 D
customer-no
x& M# L* p: r" l6 z: L( d5 ytrust-ok
6 l8 N. T7 J$ s% i1 O# J" T0 R( Xtrade-record-one-len;;trade-record-one的长度6 q0 e* c8 b4 D7 C" i
]2 q" Z$ [1 J9 @
9 M: u- T n& e" W( a4 f8 O- q+ ^
;;setup procedure
: H0 _" y- t: D) L Z
; y* a7 t; f# Gto setup
4 r8 E* m/ x, I' ?8 G+ |+ s( ]; } W/ S8 |. r H
ca
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5 P7 y; x9 r: v& ?; x/ |1 Iinitialize-settings9 y9 j$ c9 U2 `
/ Z( q$ z' E+ kcrt people [setup-turtles]/ ?/ Y( c5 t; w" T
( E6 R) p# [% w/ A% C& G5 I5 ^reset-timer
4 h# B/ T5 e# b r8 m8 S& Y. C- _/ {% _2 g; U
poll-class% a, H; d M2 h y' y' E+ F. Y' m+ }
% R5 C+ a# R4 K3 ~! P* Nsetup-plots; R: l8 a7 o* X
) @2 B# v0 Q( W; V
do-plots2 S6 I, X; S% F
end7 _0 U- U( N3 W5 L1 i
- _( C# @! U% ]' w
to initialize-settings1 `0 {4 d& R1 D/ y: U- Z
6 a- E$ K, y- T. `5 D8 x/ i4 p7 ?set global-reputation-list []# S; m7 z$ v( Q& m* m1 ?
) Q3 N- E$ r+ Z# T6 ^
set credibility-list n-values people [0.5]1 x/ T% `# O, H: Q) i$ x1 \' g" I
# {# U6 v) o! I, Aset honest-service 0
3 m! Y1 ]* G3 p8 Z* {) `
, s! B, C7 `, Z( k9 S# C" Zset unhonest-service 02 J+ o' W0 C- j4 w! a
3 d( `! `5 w+ `$ c0 I0 T/ Q
set oscillation 0& z& M. s M* [3 t
. `8 ]! y7 n1 Dset rand-dynamic 0: z% _! T# P, T9 U9 |
end5 L7 S9 T8 I7 p$ b3 m5 B4 Z
$ R/ a$ M& w& B0 `
to setup-turtles & m/ K4 P: @ D- M
set shape "person"
* p- a; F: d" B0 U3 Nsetxy random-xcor random-ycor
" Z" D8 `: a* }4 u, oset trade-record-one []7 f3 f7 y6 `8 i7 I
5 L. g4 r9 l! t1 T9 f, J
set trade-record-all n-values people [(list (? + 1) 0 0)] * D* B% s8 _$ N5 E
8 Q# p/ e5 b# x$ ]/ o- x
set trade-record-current []
' R! K* A" A4 z0 v( @6 gset credibility-receive []
# {7 B/ i8 m T' s' ?9 mset local-reputation 0.59 u. J! `, E, U2 }0 r2 n, ~
set neighbor-total 0* a& ?1 _* F L$ r/ o, U2 ]
set trade-times-total 0
/ G/ H4 t6 z- o- y1 v8 Pset trade-money-total 00 h# d. l f- s+ E3 V
set customer nobody
1 l, @2 P- o* c0 t1 \! u, mset credibility-all n-values people [creat-credibility]$ g" Z4 x1 M7 x; [4 ^
set credibility n-values people [-1]
* f# I' t {/ o7 t d+ vget-color* x% J; N8 A5 @! `
+ [5 h5 v9 ^3 T4 R/ c
end
7 Z1 X* k+ ~* Q) w+ U% K v- j5 |( I. e7 b
to-report creat-credibility
. Q9 E! p$ Q( w) Treport n-values people [0.5]
! e' I; C- I2 s m- L2 ^% s/ jend/ _) Z- ~. a. r1 b# g0 L
6 M. |' y. X S2 W( G- L" T7 M
to setup-plots
# }3 o+ ]: Y# w. F* C$ @6 Q4 E j7 Y4 x/ g$ u/ q$ d9 c9 s
set xmax 30
3 B/ |0 i: U7 A) u* ~2 m
3 p) o2 T" s. N' {set ymax 1.0
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clear-all-plots
( ]$ s* v: a& @$ _1 S1 ? f+ X
4 o# @+ y4 |# v3 u; g: @* W, p8 nsetup-plot1
, X8 W4 U& c! l
% N# O* a! r7 A+ V9 r' L) w# Z" l5 d' Hsetup-plot2( V& l f5 O! j8 w8 G
0 x) ]" ?6 o. |* S& Q- _6 Isetup-plot34 Z! Z, K5 Z; F, F/ o' x5 o. b
end' r! A3 F9 ?- c/ L
9 z; n6 c# J' M0 z5 C+ y. g0 C1 l' O
;;run time procedures
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: V' V7 m, w' Hto go' O) N/ S0 t- H6 N# X4 [
9 T4 r' h# X# @9 @2 h
ask turtles [do-business]7 f/ G9 j2 Y! e8 ]& q
end
% v/ z/ q* m' K/ `* Z$ C4 l1 ~& h# H$ i7 ]# L1 R. ?5 H+ D
to do-business
- M1 G7 X6 V0 D. q% L& M( o# k! ~3 P! B" R) p& t! U) B5 w1 ~$ O
+ ]8 l. o# V7 ]) |
rt random 360
( q9 Z$ v K1 S
3 P4 G- l; A v. M! tfd 1+ G* }8 `2 r" @7 L4 c" @" i
5 c. d3 x" Q; |% q- t$ ?
ifelse(other turtles-here != nobody)[0 t8 ?) Q) P; I- u
3 C3 y0 b4 _, p% [# F* A
set customer one-of other turtles-here" `- r2 S/ K! Y
0 _; L2 \# _! v4 w N6 h;; set [customer] of customer myself
" [: A4 ?" m# j( u( Z3 }& w6 q& t* f6 W+ p' }+ |& ]1 i
set [trade-record-one] of self item (([who] of customer) - 1)
" \7 u6 k; w7 N8 C2 B9 R) a8 n; T[trade-record-all]of self
1 u6 x/ K9 ?! z! ?" y;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
$ ^" ]& h+ @7 u/ F8 N: Z X0 p+ l4 `# Q' m
set [trade-record-one] of customer item (([who] of self) - 1)
' P4 u" X( g/ g9 P[trade-record-all]of customer; z3 `+ u G; ~; ~3 v1 d. I
$ g4 [7 M0 q% \3 Yset [trade-record-one-len] of self length [trade-record-one] of self" m' w: L! O0 u6 ~ p& s
& t- t( \) ` P! oset trade-record-current( list (timer) (random money-upper-limit))
( g5 K- Q# k6 M" X0 K) V$ t9 `
- e# U% p' D; X3 v. z" rask self [do-trust]
" a+ B0 r8 Q, |: K;;先求i对j的信任度, S! @. O+ p, ?& a3 T+ F
; {7 G# Y3 F5 Dif ([trust-ok] of self)2 @" Q" l1 R$ @, n! o* Z# X2 _) S
;;根据i对j的信任度来决定是否与j进行交易[1 `5 C* H& }+ m7 W& S
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
- o; p/ Y4 r/ H/ A8 D5 U: |7 }. ^- k0 b; Z* Z. X- {$ C- h: Q
[
3 I% H/ o+ C9 c4 \
) m, m/ c1 X% Z" Q8 Mdo-trade
G. n/ m) J# c0 j7 {6 G
3 U _" k) J' w/ `% Supdate-credibility-ijl
% J9 {+ N2 ?) I$ w7 _5 z3 d I+ O9 g7 j& d `& ]8 T) r3 `* w
update-credibility-list
" R- n/ H/ V4 e( A( N7 b4 l& S- S) G' A6 f @* g: [, h
2 h; o) S& m, I
update-global-reputation-list
) h* r- \' Y9 e% r3 F0 U1 R* _8 C1 N' A" B2 W
poll-class- X: B2 X3 _1 s
0 |* E/ }5 M, d8 _5 n6 E4 ^3 b
get-color6 w4 c8 C5 r. b! b
) a5 P% F! ?9 ]+ Q% l]], T( F6 X5 T/ m! G, F7 f8 q
9 h- E8 u- C5 f! h8 y8 i
;;如果所得的信任度满足条件,则进行交易
1 H9 i$ S0 M( [' R1 l* t
7 L# v, J' ?, q7 H[& I0 Z. b" v$ E' s$ a
, d$ X+ j# ?: o
rt random 3601 d! w2 X) w, S- S1 c; M4 `
X+ Z: [6 l+ g( y3 H% X
fd 1$ y! S) _' g' ~- `, V' ^) W
& M& m. _5 k( @& p1 A0 [+ u9 N+ g
]
' y! D h1 K8 Y+ k; @% m- E$ w+ {! Y: H/ f3 s
end
8 ]9 T8 ]& z# |# f' W& x
1 O0 Z3 g. C: W( s9 Bto do-trust : |5 \5 J9 ~! v2 o; s. U1 ?
set trust-ok False) i& y$ S0 P5 t# T6 @
! q* W$ H) U% W/ v: ?' r+ S: w- L" W
let max-trade-times 0# W% c; u( U, w: J& \) j$ c
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
( K: [6 Z2 e5 o) V Clet max-trade-money 0
3 L4 Y. ~+ u& F) w9 mforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
$ P: N4 @. h, [! i& slet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)); [, l3 F$ j- P2 ~/ ?" X5 F
/ G7 X+ X) C2 s7 r7 }, v" F
: [8 ]; M6 K- Y4 \$ d
get-global-proportion
' u- Z4 d$ V; J0 K! D8 d; @let trust-value! ?3 ]* |5 K+ }* m' e- @$ u7 Z: N" D
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)
, p3 E0 U* P; z: Dif(trust-value > trade-trust-value)6 L* k: X0 `5 G/ b; Z' V1 Z5 Z$ g
[set trust-ok true]" I5 v) S( `0 g, v2 Z
end
& \8 K2 r3 X/ P, Y3 v6 q6 N+ Z, z* ? ^9 A$ ~
to get-global-proportion0 `6 a! L0 K5 M7 \& T* x8 Z! [, }
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: ~3 y7 P! g; U( P! K! A3 {[set global-proportion 0]5 H R4 _0 {7 K, N
[let i 0
1 O& ~" ?. m8 ^" r+ l2 w2 elet sum-money 0; j5 x {' J- c% u1 Y% t2 U9 R) i
while[ i < people]
+ q! m# V2 \- A- m/ r& v3 v* Z) X4 B[
4 k' Q+ @4 g1 t' @9 Z8 X8 b0 yif( length (item i
( q% R b" n- d$ _0 a, \[trade-record-all] of customer) > 3 )
! V+ t# X; y6 X1 L4 m: h[% h( D: m! ]7 @% N3 j. x4 t
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))7 _1 d" |* Z' R' Y, V8 g! \* X- t
]
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let j 0
# d+ E3 X' |6 W. w% d hlet note 0
, h( F+ E* w' |; j# a/ b; l$ Lwhile[ j < people]+ `7 W2 h7 ]/ l8 S+ D# H( Z" ^% Z/ j) p
[
8 B- t' X, B# ]3 Z4 Uif( length (item i+ i0 L6 D2 b7 c1 D
[trade-record-all] of customer) > 3 )+ [5 F" T1 b X$ ^- y- J! B+ s
[
* d) u0 k( c. d; B9 v$ h: Pifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
( }9 J' ^3 p1 S; p6 T; m[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]' i$ N( \5 |1 h" [, k0 t6 t- n
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]4 L: {! d ?" W
]) Y4 \6 C; @3 F* @5 P1 L
]5 K0 b0 \$ ~) ?8 V5 g2 C) i( U
set global-proportion note/ Y6 `+ t* H+ V* G, v$ A. C! W8 k' c
]
0 [5 N, ~, h: s0 _( Gend/ x. H2 `& K0 f m% C
1 I4 J+ h% |4 g* f, h/ T
to do-trade. `, l& |( e& g5 b; ~3 d0 E2 l3 f
;;这个过程实际上是给双方作出评价的过程) N$ F0 M, g# a# C+ H& ?3 g
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
! Y* A6 ]( p) H% G/ Cset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
! \8 L1 n4 O t, j5 | F9 Gset trade-record-current lput(timer) trade-record-current
) q9 {( G8 ~- o;;评价时间
0 |9 F! ]# v7 ^/ x5 w2 V2 ?ask myself [' e( M/ s1 [* J
update-local-reputation4 v( \4 T! a' F- G0 a: P0 I
set trade-record-current lput([local-reputation] of myself) trade-record-current2 S/ b) n2 {/ i; q9 g2 ]! {% q5 \
]
\' F6 e0 T7 e6 M% _, ~& l4 U+ Hset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself; z& j: T* C) S8 C. V
;;将此次交易的记录加入到trade-record-one中. e9 U0 J4 N" V
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
5 c. E- i9 W4 `& @let note (item 2 trade-record-current )
2 L4 C. q5 S: }2 m: h( C- q/ {, D4 fset trade-record-current7 ?# [4 }5 N6 E" |3 I: E! h
(replace-item 2 trade-record-current (item 3 trade-record-current))
5 l4 g7 o) z, e- u7 m1 ]+ z5 {set trade-record-current
. Y/ }/ Q4 k1 ?( b(replace-item 3 trade-record-current note)
3 W4 D! q" J+ L; W; {; U% q$ ]
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ask customer [
# `, e: T' {: `' p/ H7 f5 H& _4 T, vupdate-local-reputation
! M) ~- O( W4 f9 f, x8 Uset trade-record-current
" U# {0 n' ]% T- s/ Y3 r6 N- c(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
; w2 e& W0 v2 Q; i6 ^]
[8 ~9 p; ~: I; n' A) g3 T
9 N! X- f! C% r( g4 S8 I+ R8 c# J/ F& l+ _3 |0 z
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer2 h, {& L2 h# e' l" b/ V
4 R- a+ G* |, P- w5 w8 A' Z) ~/ m }' n/ v
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))1 ~* D# n* _, y
;;将此次交易的记录加入到customer的trade-record-all中
( [5 ~: L4 o3 q- Iend
I! w1 e4 H7 Y1 [8 P# K0 V4 Z) t: {' I# A. ^+ L# J$ h9 S4 Q& R: L
to update-local-reputation" F' s! S5 h7 t) f% D' q1 G' P$ M
set [trade-record-one-len] of myself length [trade-record-one] of myself
, ^5 R) R4 w6 m! i, C0 n
% F$ |; a7 j3 _8 u# @) \; ?+ R2 k8 L1 b
;;if [trade-record-one-len] of myself > 3 $ ^0 K B5 Y C8 ]' {1 @; U
update-neighbor-total
& P: D/ n b# R, l;;更新邻居节点的数目,在此进行, y7 J8 @: w$ u0 Y- D8 W3 J: K
let i 3! a0 j( ~1 |5 _* P; e
let sum-time 0
# O/ ?6 R; `8 i2 Q5 t( Nwhile[i < [trade-record-one-len] of myself]$ B& |7 P, `$ F. p a: M6 |, |3 a
[$ H2 f4 Q3 y7 ^$ h
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
) t8 \4 f1 E wset i# |& `$ Y1 U6 E* f
( i + 1): H' u1 b+ G" I0 B& n! @: v2 A
]9 r$ ^3 |6 w' U. _
let j 3
) P: C& T$ d4 G: V0 A2 q g. llet sum-money 0/ N3 L* [: M9 T" \. `( A
while[j < [trade-record-one-len] of myself]3 i: E. \( @1 {
[ t7 O/ B! q0 j7 {7 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); S- a* z y( M7 r1 Z. T& C
set j
9 ^6 i" l/ w5 l& w0 d, y( j + 1)
( ?. X" c6 o8 F4 }* F9 j! I3 q4 []
( a7 F! [8 L5 q# h7 d& Slet k 3/ T" I Q6 r2 R" L9 y. y0 w+ c5 P
let power 0
/ N4 Y* d4 V; S) B- O3 W2 ` mlet local 01 j! _% x, P. _6 o5 ]
while [k <[trade-record-one-len] of myself]/ ]' V* I& t) l: E+ z0 Q" c
[
, M; ^) D, W, g7 qset 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)
' |0 _1 Q3 W- B; f2 h6 X! {set k (k + 1)
& ~0 _( }2 d7 f% o& l s]4 h/ i# I/ [# v
set [local-reputation] of myself (local)5 w! c2 c* d. r: y3 _2 M
end8 l8 B( k0 T5 c9 ]) g* y( T: j
1 ], ^1 Q9 M T9 n% a
to update-neighbor-total8 A/ F4 b% L6 B5 A+ W5 D
9 v U5 F: E' T. F+ m! E! I3 u. \
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]7 R" T4 M8 v7 J0 d) y* j4 Z- j. G
: \+ G# I( h* A" Z3 m
y% H- c/ { q& m+ L) Y @/ @end
k: {4 c. Z2 Z$ n" A5 C+ ?" x6 v8 g5 i: o
to update-credibility-ijl / Q8 `3 k( @& B
& h4 d+ b) A+ F3 e% z8 W. x
;;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% d' L# X) x: B J# o: ?let l 0
5 J$ ]3 @6 ]" _" p, _' P1 Dwhile[ l < people ]
! P; N8 N1 y$ y. y4 V;;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0 b8 k! [- n$ o& U) \- Z$ D* e7 K
[
; I" E. Z- Y, h* ]- ~: o3 olet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
7 r9 x8 F+ r, B+ h2 Uif (trade-record-one-j-l-len > 3)9 c3 k4 o( F7 F6 j+ J
[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. V! T6 \" @6 N# l/ T( d) \
let i 3
2 V a5 I# G* ]: f. llet sum-time 0, q# E; ^/ i* s. Z Z" P
while[i < trade-record-one-len]
3 L' @- c$ R) c# ^8 P/ ~[3 p; n( T- M9 \
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
% \2 B8 S4 F" |5 X0 X" g4 ?* oset i$ B' H# P7 T1 F/ {4 \' F3 D# z
( i + 1)
( i0 \- @9 s# l, w( r1 I' a]
6 G. x( N) Q6 ^ Z% vlet credibility-i-j-l 0. M9 [! \4 T* c u3 j i# l8 G
;;i评价(j对jl的评价)
P" a4 k0 X3 P, Z( D5 Q8 m( plet j 3
+ F) z& K; i# F9 i7 x& i0 O2 Ylet k 4! v3 N9 L* K$ z9 q" p# X: Z- r
while[j < trade-record-one-len]
7 J* M2 c& X4 g) K' g[
) H% |9 a( ?" g4 x" Jwhile [((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) c2 q# s- L; o
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)
( B0 g: s* z& n7 c9 Gset j5 }2 m* J- C8 F. u/ w' u
( j + 1)
! Z/ Q8 `+ i$ u4 B]0 `' M9 E- `' e5 ?) Z$ O& ~
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 ))
1 f- O- a6 e, Q4 A6 R; O# W5 _# A- M1 R- w4 z7 g, ?
! H5 Q* f1 i2 f1 h/ z
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
1 I. i( R3 a0 ^ {/ b: F1 ^;;及时更新i对l的评价质量的评价
2 a* R0 R) y+ u; mset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]+ i4 S3 |( l: q) y/ z8 y
set l (l + 1)6 b: u+ A, L5 I
]
. m0 ^' }' L% w& d/ p" ?$ Y [( O) W% Yend' V3 m/ Y% I U. G
8 a5 l1 c& b$ a; S* s
to update-credibility-list% r% i: G) X8 Z$ d! Z6 x" k# [
let i 0, R* d. q, c8 V$ N. c# @
while[i < people]
" x- ~4 F" d8 F( i+ N[' B0 X, j* _- i% K
let j 0
# Z& U/ V Q8 |1 L+ \, K6 r5 klet note 0
2 s3 l4 _- u) D5 `$ Slet k 0
: m2 p, |( W5 [/ v;;计作出过评价的邻居节点的数目* e3 i5 \- b7 J. r+ {) p1 P" q- l6 z: b
while[j < people]
, s) v" n* B6 k6 M( A! V! F( }[
! [9 z- B$ k9 u, H" {: Pif (item j( [credibility] of turtle (i + 1)) != -1)
9 F& J* U1 T3 ?& w;;判断是否给本turtle的评价质量做出过评价的节点$ `8 U2 b8 n; f/ O0 ~
[set note (note + item j ([credibility]of turtle (i + 1)))5 V9 k1 g% N9 i2 U$ T" l9 `
;;*(exp (-(people - 2)))/(people - 2))]
! ?& v! k9 G; h8 \1 d1 mset k (k + 1)( h3 O0 I/ v8 }1 D8 C- v
]
% y2 Y5 e1 T) p' l4 g) i( jset j (j + 1)* R7 k+ t( k5 M6 t' W8 n# b$ U4 i; b
], p0 h2 P; w) l, H# }- C
set note (note *(exp (- (1 / k)))/ k)9 E$ h% u0 S# y- `
set credibility-list (replace-item i credibility-list note)- u7 t: a. N/ X7 I, i, R- k
set i (i + 1)
" u z" M( x* \1 }/ W2 D. l. _]1 ^, f! [3 W6 i: a% x% F) S
end
1 P a: ~: A. y) k# V4 m$ B! M) W( W$ u* E: N4 S5 c* }) ]. B' m" j
to update-global-reputation-list' g) H) Q. C' S) o6 o5 j+ f3 y
let j 0
4 ~- h. e# [- |+ F' d9 }while[j < people]
8 x5 @- w$ I$ f N( O- \[
' {) ]8 W% ?5 r' h# { x' Elet new 00 w4 U) Z7 m8 @ l
;;暂存新的一个全局声誉 Z `: Y/ T6 Y. a: e: {" L/ f
let i 0
6 J+ R7 p3 |0 J% Y, L$ p( Glet sum-money 08 g; J& H/ z* C& p" N0 y5 b0 g
let credibility-money 0# l W0 A, J7 `% G7 i
while [i < people]& w& }2 e+ W* o
[. p# M2 D/ |3 G* Z+ f0 s1 ~
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
# z1 v) A" F$ J2 B tset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))3 N7 ~* ?9 \1 ]+ ?. @' B
set i (i + 1)
' s; v& {4 @( H]
; X# ?1 n% m+ t6 ]& ulet k 0 P( y5 }2 ]; M# o/ E8 R, G4 b
let new1 0
6 l8 J9 q2 L* g, H( R* C% H' pwhile [k < people]% d* _" m$ T6 k3 e7 N' |5 }
[) ~/ F0 D- k; i( h4 h& {2 K5 i6 ?
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)
/ Z8 ~& U3 o% b* xset k (k + 1)
3 o; o% q% ^+ d# e. B]
$ I4 W4 b; }4 ^$ x: ?set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) _6 G9 A, L/ a9 D. s# h! B9 m6 {' p5 {
set global-reputation-list (replace-item j global-reputation-list new)
# y3 w7 n- |; o @) e* Zset j (j + 1)
4 N; n1 W$ `3 _) _0 A" ?]# ^/ e4 |/ _/ H" g* t) u8 e
end6 I! |, K6 u; ~5 p
5 M9 r$ g: ]. n3 G. M; Y2 S, J
0 Q3 M) n8 i2 p9 E2 Z# S0 E5 J/ R: ~) k s- Y" ?
to get-color
; @! W1 o- g: Z6 }( }6 g6 K) j+ }4 k+ u/ @6 n/ Z$ v5 q @
set color blue
: k7 P. f2 o Qend* T* ]$ x( h9 U. S+ w* z3 E L6 d: Q
' U7 G5 n/ q* i- Z; u4 \: G3 U3 k' e$ ^' b
to poll-class. c4 ]) |6 W+ ]9 l( B! D
end& ]; a, P& u/ L9 G3 i: e% _% L
# |# n0 _3 C2 `4 w1 g( ~* J
to setup-plot1' |' h3 U- q: R. v" p4 g
# v% _; [% h% q3 N( gset-current-plot "Trends-of-Local-reputation": b2 L. k9 O0 r8 q8 @; h3 w
3 f3 j1 P! N4 P7 l9 A/ n0 S4 x; s
set-plot-x-range 0 xmax
W" g6 `6 B: C$ ^1 F
: c1 k: Z+ h; F8 E, x6 Xset-plot-y-range 0.0 ymax, E% y$ Z" Y4 f
end
: Q' y, o' p6 c& ?; r6 q4 U- K3 `3 {5 R- z
to setup-plot2 y' } S" Y7 ?- r _. R
- T/ A- y4 b! _( @set-current-plot "Trends-of-global-reputation"
' k0 j3 \3 ^! V) ]2 G# l
t) b& V% g1 _1 E' B" b, zset-plot-x-range 0 xmax
p9 C) |2 y( X& K; X* t
: }- v% Z- ?" V. xset-plot-y-range 0.0 ymax2 a1 `% T( d/ `& q" z) `0 {) ^
end5 d8 @! q7 G9 ~7 o# \( g- j
( B Q7 v0 F- k. j7 ]$ Y1 Fto setup-plot3
0 u" S5 ?: Y6 U& }8 E/ F( T
4 f3 ?- c+ f' R3 r9 c2 W3 v2 `set-current-plot "Trends-of-credibility"7 p7 t: p' U5 y1 j' t' D
1 P R$ _% C0 I& H. _* N: W+ ~set-plot-x-range 0 xmax. ]. I1 D( T Y% F. @, T' w
% ^3 I, [" C, U/ _% D% W
set-plot-y-range 0.0 ymax
$ E, v% |$ r `% \+ U: Fend
! c2 ]; s2 \+ N- ]8 y5 g" w9 \# u. s! H, P% o" E* M# z
to do-plots
; J+ X+ i5 B, r7 q* Z& x" _9 Fset-current-plot "Trends-of-Local-reputation"! [) \8 r3 t1 W- x
set-current-plot-pen "Honest service"
5 K2 e" ]! o# L8 t5 |/ ^end
4 D# _5 t, ?7 Q6 v: T e( t B0 A
' X& t! b! r) C[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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