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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
4 O( v' ]4 i, H8 F ?9 ~9 @globals[
) J& K: I ]) U/ x$ bxmax9 @ ~7 ^/ j/ Q# f) ]$ p
ymax
7 I! {7 C0 E6 o: Mglobal-reputation-list: p. h/ w. o" }$ J u5 n9 S: X* l
* u4 d. V9 k# \* ]( x4 d
;;每一个turtle的全局声誉都存在此LIST中
9 F0 n5 {7 t; d# B) ecredibility-list% |. j* ~% H6 ?4 @
;;每一个turtle的评价可信度- `5 Q" T a/ \; t
honest-service" ~9 G4 s2 _% T" o7 ?( T
unhonest-service5 T. r- F4 W% m: t; x9 u6 C
oscillation; C( H+ w7 s0 q5 p3 e, }% |! b2 U
rand-dynamic
4 G/ t- ~9 q. X# i! ]6 K! N2 Y]0 R( k+ N" Z: c @' I0 F e; \6 b- x
! a, {+ N! q9 ~turtles-own[9 }1 c; F% _! \* w
trade-record-all
6 q7 R8 I! }* K7 ]; U;;a list of lists,由trade-record-one组成% W/ N& z7 W6 [7 R% [0 A$ W
trade-record-one
$ G' J% d5 U; y# h# @) k;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
6 |- v; q' ~# `% t
9 m! L1 ^+ t- [) G;;[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]]
: ]& h8 r- Y- N5 Ltrade-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]
+ n9 t/ A3 r# p+ Ncredibility-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
- H j6 l% i; [' t3 d: Qneighbor-total4 ?4 ]" f$ U% J- T' p
;;记录该turtle的邻居节点的数目
}& I+ x$ c0 s- E* @! Ltrade-time& d; W* b: v6 k. v- y+ o7 d4 x
;;当前发生交易的turtle的交易时间% M2 x3 ^( M& o
appraise-give3 _& a$ N6 }7 G# h, Z+ ?4 g5 g' [
;;当前发生交易时给出的评价; e. P) X6 P; d* E- Y5 \$ j- j
appraise-receive8 R- t6 p4 i5 Y! Q
;;当前发生交易时收到的评价' {7 C& v9 `2 I8 x( K/ v9 b
appraise-time% o8 K+ q8 Q' G: x9 d: E! C. i/ o# O: P
;;当前发生交易时的评价时间
' e8 {# a* ^+ I% G& alocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
3 F6 A, P4 r% D& m. N- S& d3 strade-times-total- G' G6 m- y4 Z* e' j
;;与当前turtle的交易总次数
: J" I: c3 I, ]trade-money-total. l! a: P# F1 k- c9 v8 A- O7 H" s
;;与当前turtle的交易总金额
2 X5 P% E( j' C% _* l8 W( k# rlocal-reputation+ r; U! C+ Q8 l. w+ H5 f
global-reputation
' w4 @2 w* Z0 A9 i# D$ Q& bcredibility
' F6 r. B- K* L% \/ F8 |;;评价可信度,每次交易后都需要更新: g4 ?: ^2 f3 d2 `1 U4 F
credibility-all# }- Q0 u. i* ?* N$ j0 J
;;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8 k$ r/ a" k+ K
: }+ t. t1 n0 t& m;;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
) h S0 G6 s9 P" ]8 rcredibility-one
( V8 S3 B w' A3 Y2 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- Z# p# `: C2 W9 i
global-proportion2 G0 \" U+ B# W; d% k+ K
customer
) G3 K: j) v2 t4 W5 H- jcustomer-no# J3 @( h6 E: k; m% `% M
trust-ok' l9 W1 W4 ~6 s; j3 ]" c- o, t6 i
trade-record-one-len;;trade-record-one的长度' z4 f7 [6 z) _! ^2 H D
]
4 Q) M0 I( t I1 Y* T$ Z" m
$ J+ d. t4 u3 w( ~;;setup procedure/ Q- b! _2 x$ W2 U% T8 w
- l7 M% Q: q* @to setup6 N* w) z# V& s- S9 j
4 Y8 f4 n/ w) D; @) _3 m ?
ca+ Q( N- Q3 s) s
# s; S$ q$ W U4 t ^; d6 finitialize-settings0 f* r" [& E1 @. G
5 z# l, j9 a- m6 `* hcrt people [setup-turtles]# \" ~0 e0 n# a
4 m4 ]% c- _2 P1 h& Sreset-timer
# L( l; H0 Y; j1 ]3 h; l7 L. P* z0 U& c& {( d4 M4 @( ~1 @) w
poll-class
: F3 L+ F1 ^- a& P- f1 Z7 x; o2 p
' m; H! m! _! ^3 _! ~& a, p( zsetup-plots
1 p: |; P; P3 C) L! Z: A
+ d% z' I' V a" o8 o1 n. r3 ado-plots* U9 Q3 k7 N& h9 t3 U9 E1 @- J
end* u2 I: ~- \$ M# [
/ T) W [$ h7 N5 X. F' R6 J% x
to initialize-settings% X* K0 Z& Q3 B7 j5 V* `
1 m- F6 q! v' o5 z4 R k7 [( u6 {set global-reputation-list []( C' }% J$ S2 r; V
! }5 V# a6 w6 n# \8 U2 Bset credibility-list n-values people [0.5]- ?+ G5 X- H0 M* X8 h9 ^# j
. J' a4 @6 m$ dset honest-service 0
% q' m; j9 j- d# c4 b4 ~* M4 [- e4 n( B$ N9 F$ g* [
set unhonest-service 0
, ^/ \% P, W2 ~. q$ f) q) H% a/ e4 k m+ I% _4 V1 ~6 |$ y9 J
set oscillation 02 U( E6 k( `% ^
( d4 N" k# j* S! E8 C$ l4 oset rand-dynamic 0
2 Y9 v5 R: L8 l x; k9 @5 oend
+ b7 H1 Q+ z; @8 W4 N5 F' F+ ?5 D3 _9 i) v& q: A- Q
to setup-turtles
b/ H$ x/ E$ B. }& d' H" Kset shape "person"
6 ~$ h+ E* Z. }) G% c7 i* ksetxy random-xcor random-ycor) D7 V, g( k6 S0 N, M
set trade-record-one []/ _+ f6 O5 a+ \5 I4 `- B
B9 N% O' x0 P
set trade-record-all n-values people [(list (? + 1) 0 0)]
( x; N* _7 y! g7 q
& I4 b" I% a5 I. C4 a, Y. h- Vset trade-record-current []# a4 X- C7 O6 N
set credibility-receive []* ^$ r2 S3 Z1 J- ~- Z, J/ M: s
set local-reputation 0.56 h, B0 R/ `5 Z$ o
set neighbor-total 0
# j, Q' p+ {% N% `- a: Lset trade-times-total 0
8 l6 |6 @# u* k, P& n3 N6 }set trade-money-total 08 l A' t$ N& G( N9 X
set customer nobody% A3 d1 A; W! e, _# z, X" D
set credibility-all n-values people [creat-credibility]9 v3 P7 ` u4 x! s
set credibility n-values people [-1]$ I- q0 `1 _3 _. I& O
get-color# n( m0 d& ~+ o& Y
; q, {/ W- Z+ q% r- w. |7 g( Mend
) @$ R6 S! J) P( W% f5 @7 n* V; f0 u7 ^4 v1 X& B- H0 t# ?
to-report creat-credibility+ N( c- W1 |( Z9 G9 `+ _; ^
report n-values people [0.5]* X' u9 l! e& @
end- l1 f( u) G6 r
4 V& j8 U& ]$ f" m5 P- A) j- w m1 b: D
to setup-plots: _% O% v0 V& l% n
, `: n" r R' c3 G6 w: Q" ?: T& uset xmax 30
0 d$ q1 X/ j- f) C- Z
. P( P, K; n4 S$ j$ Qset ymax 1.0/ j0 ~4 |! \% l+ y/ T: e7 t9 F
5 ~( }5 s8 C8 f- c
clear-all-plots
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setup-plot11 u" \0 c3 X) Q0 p) H
; B T5 W9 J: N1 o4 J* K( u
setup-plot2$ m9 u3 y. J: ?% w h) l
* Z! r# Z, v& [ r
setup-plot3* j" y9 j4 n/ J" n: o8 _
end
1 a+ |. D8 G# A: H* P5 W, _) y7 \5 J# a9 A+ S6 N/ e. v" [
;;run time procedures& S# e1 {$ I3 x, y/ x* X% \
% g" K6 O. Q: L' p5 e1 T3 }# ?to go
! z6 U5 k' x" x% s4 @& ~% o3 U) S% m7 ?8 |5 i% A9 ]9 H3 g
ask turtles [do-business]$ }+ V# I+ l6 k! Z: E4 U. Q! R
end
! E a( b* t2 x D) f0 [- d5 k/ z3 ]/ ?6 D
to do-business
, [ B8 e0 ~) U: \9 H! `, }. k6 [' @0 r) ~( U) T7 B1 C+ Z
" F; M; y! ^+ r5 E4 prt random 360% z7 }% G# Q' x# m/ `7 W
1 t T+ F8 o, I @1 p) Tfd 1- v3 [1 F4 ?+ a
$ E0 q% P! ^. S9 Q. P
ifelse(other turtles-here != nobody)[
5 m+ U0 Q* m( `' F
4 i; o* B8 J" u* x" |set customer one-of other turtles-here: {( E. L/ n1 c Y
0 N4 W. ?5 X0 f
;; set [customer] of customer myself! S/ z; ~* l4 l8 p& {
8 i6 i2 e: Z. `# ~( W
set [trade-record-one] of self item (([who] of customer) - 1)' B% q& o$ z D; y/ h$ O
[trade-record-all]of self
; Y6 h. D' _; c2 w' A;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self0 r" j5 N8 w& l2 R. V5 y
+ l. E* d v: F) y: r. R; X: r3 x
set [trade-record-one] of customer item (([who] of self) - 1)
$ p9 O4 ]% R) o" {# S% Q! ~[trade-record-all]of customer
! {% W) L7 t$ y5 a# r+ B1 k8 d6 u- T% b! a5 J" n* ?
set [trade-record-one-len] of self length [trade-record-one] of self) R3 D5 f! `8 i0 v8 b) s& a
' d$ L5 q; G L/ {- N9 [set trade-record-current( list (timer) (random money-upper-limit))7 ]: A* N. y5 L0 Y
( s* b4 n6 o0 K; h2 _: M1 G
ask self [do-trust]
: k6 X: j5 M8 H# w7 _( x;;先求i对j的信任度# j5 u7 H. z/ X, R1 r7 e! \9 |+ d& i
6 W$ j: Z: e$ ]2 b3 Q
if ([trust-ok] of self)) `8 o3 w3 h6 D. s) C& M% [
;;根据i对j的信任度来决定是否与j进行交易[! m3 k! ~' o* x* ]+ `4 d/ F
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
2 Q2 _1 T e4 [. P. ]
; C7 k2 Z {. @1 z2 A. R# m[: |3 L$ \, r" x7 ^7 Y/ p
1 ]: G# ?6 M2 i( \
do-trade- C# R* A; M8 |: T: V
4 i. Q0 B, r9 ?7 H1 p! a/ {update-credibility-ijl
0 k: m1 F/ G5 _ f' ^3 P( _4 @5 i$ F. W4 ^6 Z' F5 e
update-credibility-list
& n. S# S0 q' e6 r4 b3 Y# s
L7 M. t- |; w( ]' \8 @; }
' E! h+ w( Z+ P5 e( m, Z. h2 ^6 S& wupdate-global-reputation-list
v& l# f+ O0 _; P/ K! N; V8 C6 N5 D( w" ^5 x( A; J# N7 \
poll-class9 s' }- G* `! H+ o& ~# G8 O* D9 |9 {
+ `( a9 c, D/ Y! `8 fget-color
. A1 M5 X, f' T" P7 a) K- t+ p5 z. M
]]& \) n& e+ O, I0 m- h2 O+ \
]$ l6 _' X; b. x0 F$ p
;;如果所得的信任度满足条件,则进行交易
, Z% o& L; B% {3 ~
' x! m! F0 m, l. \8 Y% f6 J[7 |* [+ |1 [, T9 O% n
0 N( k$ u, g8 s) xrt random 360
* H: Z* [! A0 ~9 q
# q0 @2 \/ ?1 B) V" X5 \3 I0 pfd 13 l1 r! n" |' M2 Q: q
/ D. J' o! b* I+ _]/ d4 R' V* u2 j% M/ y; p X" n
- D( @8 S- A" V4 [! j# mend
% J+ c* A, x6 C( R2 f- o: q% J/ t4 W* C2 v3 j& a8 p; a. k/ d
to do-trust
]6 |( ~+ a) W; Oset trust-ok False6 z7 W" O! k$ Q3 `/ M& |
) v# `% ]) o) I1 i1 E, G( I9 g
6 K q4 @9 b) ]3 t% ?let max-trade-times 0/ v2 ]0 i J- V8 S
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]5 N! g; H6 A4 \$ a# M
let max-trade-money 0
9 q b% c! k1 [ j6 dforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
. \! i! U, Y3 A! C4 s. \let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
. v' V3 r& _: D+ H
% A# Z3 X3 e- G: j2 w2 |
5 }5 e' G( |% c7 h6 H: t: dget-global-proportion
: h( N# k0 ~) ?) O" @- hlet trust-value
* W2 L, O+ B2 Klocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)9 k* \- A/ A" I- [8 D* I
if(trust-value > trade-trust-value)2 t2 d- O. |4 f! l b" k8 @
[set trust-ok true]: e% ` e/ F, S6 k
end
8 W ~4 [% h: K! c( m/ q+ ~( X( K3 x! Y
to get-global-proportion
8 B$ i! E- t) x; j" s. Fifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)' N) t7 J- a6 L8 e* W
[set global-proportion 0]2 U q& l9 n. P4 ~ z: g
[let i 0# y6 I3 `( u6 Z! U7 N/ [/ }
let sum-money 0
/ z( J! j G/ F* l1 Z8 \! lwhile[ i < people]
+ |: l, x. F; X$ t[* P. d# u! @6 e( K9 d7 B# F' x! r5 u
if( length (item i
* i' v7 W5 M4 W" g[trade-record-all] of customer) > 3 )
m+ }5 O5 R. ?: F[
8 R6 R7 o3 y. |9 Bset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
$ @4 D4 C% L0 J9 N]. c" H5 y- z( V9 `6 {
]
+ v" C( ]8 B7 L3 O5 P/ Dlet j 0
) ?% b6 }9 @! ]7 M9 {# ~let note 0
8 C' |- Q1 T0 Z; @while[ j < people]3 o! j$ e+ [$ _! ?7 q& A( C3 Q
[
. |! O' ^" m/ Y# }( @. uif( length (item i
' O2 G9 x% G# {/ S[trade-record-all] of customer) > 3 )
$ G8 z L+ L5 f& n6 i2 `[9 ~% V1 u' c) `% {1 }, b. J* g
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1). h! D, r0 j7 _" p
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
, L4 a3 f V$ M[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
8 V2 j, }0 w' f7 o2 H]: y* S1 [) j( F) x% s! r* R
]
5 E/ e& W; u, o* B. Yset global-proportion note0 N# a ^$ C2 `7 @" B$ V
]
- T1 h, E6 ]% V( qend
. U2 F4 K5 x5 d7 O. F0 K# z. y
|' S) y/ m$ z$ qto do-trade/ M" q* \- L( w) S1 Y
;;这个过程实际上是给双方作出评价的过程
3 i' l1 t; Z- K& pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
" W u& T+ z/ z' X) qset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价5 p [- o# W4 D4 Q' v: I3 R
set trade-record-current lput(timer) trade-record-current
; {. t8 b w* I;;评价时间
, t( X3 @3 E; a7 j; O7 Bask myself [ Q, C2 d/ ~' d' X8 _# p9 V
update-local-reputation
9 r4 k* O* g( w/ p* }4 A8 Iset trade-record-current lput([local-reputation] of myself) trade-record-current0 p# @1 r2 w+ u
]
# \% d4 [6 z) d9 o# `: z* `set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
, o* g. e8 J) l" L6 h) };;将此次交易的记录加入到trade-record-one中0 z0 s- I, S$ ~. X7 u; O. O2 ~
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
: x+ A, \) ]. |) y) J- W1 Ylet note (item 2 trade-record-current ): D% i9 k0 W5 q0 Q% ~+ R: P4 x
set trade-record-current
5 l' m) ~$ f0 E2 i(replace-item 2 trade-record-current (item 3 trade-record-current))
. B. B, ?& r" }8 ~# }0 T' hset trade-record-current8 ?- G2 N( O; ?0 j( U! M
(replace-item 3 trade-record-current note)
6 @/ V5 K* g' P" u" c o: a8 I
3 D8 [4 \2 {! l/ k# v+ Q
! }, `9 j- t' ^0 J1 M5 `/ c7 e9 ^8 oask customer [8 e) e) W6 J+ n8 ~5 k& a& n
update-local-reputation+ R/ S/ d; ?3 C r
set trade-record-current
$ y; h- {* p( \! j4 y1 I(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ) @4 b6 u8 ?6 [" j2 _# Z0 M
]; h' q1 [1 C- V- G% d
S: f* ]" X" Q6 I" _. U. B; h0 Q$ |; S5 I+ ?" g
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
2 `! o0 ~ F( ]* ^; c# u
& ?3 k& P* A1 eset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
V& E! s% l: w- B3 h. m- I. P;;将此次交易的记录加入到customer的trade-record-all中
& `: w6 e4 c' i$ M* o+ i, s& `end
3 ^3 r B" T; X* T1 E. \8 m
; Z" k$ b1 B7 l8 Q2 L1 [: d% gto update-local-reputation
3 j/ a7 Q! F" n$ zset [trade-record-one-len] of myself length [trade-record-one] of myself
6 h. R) g$ n- p& O% a, n& P3 g. S M( Z. H: K- {
; @% f/ G: C9 W0 ?# W;;if [trade-record-one-len] of myself > 3 & }* t7 x% M) T: V0 d* X
update-neighbor-total
4 u5 \# M, ^0 z' s;;更新邻居节点的数目,在此进行
* Q+ a% z4 A f$ u- C* P. Elet i 3
8 l% {2 ` @9 nlet sum-time 0
, R, g& {$ L$ {while[i < [trade-record-one-len] of myself]& c/ j, t/ r7 B G/ }' w
[
$ Q" o$ j/ ?6 Q2 {8 U& i# uset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
3 K- `1 ?1 _$ d$ W Kset i
/ M0 d' T& ]8 @ @( i + 1)# @% z; Z: A& [. ~- A; E8 Q8 F( D
]" j! ^# h& x& O6 b- E c% U8 }
let j 3! j" B8 s1 T) {
let sum-money 0
2 ?. z7 `: F4 f ?while[j < [trade-record-one-len] of myself]
' X/ u& ^7 X; q" j v" S! x[
0 F0 M& E2 Y, c6 T' N1 z8 U7 u, tset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
* V6 f: q; b7 I Z) t2 ]: Yset j; s: T$ C' z- i$ g' G
( j + 1)
% }" I# |* \. T; C4 |1 J! j]- k. I+ F4 [7 U& L+ k
let k 36 G" @7 P G/ s2 ], H
let power 0
. F2 M6 F) e8 P; L {' J4 Z& \9 Llet local 0$ Y2 q9 D/ G; H1 ?. L; T, O1 Y5 g
while [k <[trade-record-one-len] of myself]- }, I6 T' \5 z& j" h- U4 \+ u: q2 h
[0 L! k3 m( H* G
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) 8 ^, y; X% k/ P4 b
set k (k + 1)8 \/ w. F0 r; s8 o: j4 Z8 B, Z
]
; i6 y# |+ F0 S. `' t+ t; ?set [local-reputation] of myself (local)" t% P9 K; Z8 b4 B
end$ m0 T' w7 n. I/ M9 m; L
" B: [$ g1 A1 \# g2 p. a% ~7 Tto update-neighbor-total
. ^; y6 ^# ^0 U' T- W- b
t" X. W @1 P) Aif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
- V9 V9 j |- }4 Q8 W5 `/ G# @8 A
9 s- d; g9 C5 b6 B7 a9 Hend
: Q$ t/ h6 | M& i% u6 o2 ~1 {9 a
- e7 ~& b! p9 |, [to update-credibility-ijl
/ u: Y% S6 ?* K# s* B. E5 [$ h3 q* ^+ T( d+ L* t" Z& R
;;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。% v* Y3 _( l8 e, \( n: a
let l 0$ t5 x3 V/ R0 N/ E0 n8 H. P, {" d
while[ l < people ]
$ o( ]/ s! u6 R( D- {9 i+ U7 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4 x& }2 d; x& H& m" Y& X* Q
[% z% D9 \( V/ ~. j" V
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)9 G' J% n3 r6 G3 b/ j# d
if (trade-record-one-j-l-len > 3)1 I+ J0 W7 L4 ? m9 ^$ y M
[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
. F# r. }3 g8 b! z9 ]let i 3) C, R( W; V9 `# ?9 I
let sum-time 0
$ g( x- z. E% v8 Owhile[i < trade-record-one-len]
5 q6 F0 f+ x9 W[ ?0 Z, f, D: \' Y# q
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )2 Q) R5 h v! Q+ Q
set i* s' Y9 }$ X# h
( i + 1); |7 S$ ^! U% W$ j7 N4 |1 M1 o
]- F$ j3 w$ T: r2 P! b7 |, Z
let credibility-i-j-l 0
7 l6 R8 {- j; x* u8 E# G* c;;i评价(j对jl的评价)7 M2 ^! e. ~$ _2 `5 a) m/ Z* w
let j 3) L# o2 ~7 g* _% e$ C. X
let k 43 h8 q5 ^5 d0 r/ c" o ]3 Q
while[j < trade-record-one-len]
* O! C4 X6 p; b8 J/ w2 F[
& o- D* ]3 r Xwhile [((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
' @4 g3 J' R. S) {0 o1 l1 w7 I) Gset 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)
( h) U+ R* Y! w$ z+ l- u" Tset j2 \: [+ n# r2 C1 O- N
( j + 1)( x4 [7 g% p) i/ A0 l3 N r
]' `+ a9 b' t$ v+ ` {
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 ))
, a4 |( k4 G! ~* S% R0 R5 E0 N3 D
7 h$ R; ?; G* Q+ G# p2 y
! T9 G( W) ~9 Wlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)). s8 k% s* N. }. h& F6 |
;;及时更新i对l的评价质量的评价
' N* w1 U1 w }4 g7 c6 y; bset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ], s! C" s9 y2 {" J# O9 [4 l
set l (l + 1)
* {) ~: s$ J; x7 ] |]( p, v: n. j2 r; J
end
; _/ `0 F/ N i
" h+ }9 j8 R' m+ yto update-credibility-list
) q) D) K; M2 ?( ~' V- c) blet i 0
2 `# n( a: I$ F$ a; m9 v" Y, nwhile[i < people]$ ~ c. G- u1 _+ x
[
' k; D; N( m, @0 M4 `/ D0 E wlet j 0+ z, T" W. N( e( Y# \ H, Q/ f5 t
let note 09 n. l9 h* L, F( |. d3 u
let k 0
' [- U; s1 T3 h' y$ l;;计作出过评价的邻居节点的数目
. S0 r! F+ R! Owhile[j < people]
. t2 e; Y* y0 r0 f9 v[
% L1 u$ h* N5 P/ [% |0 B5 Sif (item j( [credibility] of turtle (i + 1)) != -1)
0 V% x; g2 z! p* g) m;;判断是否给本turtle的评价质量做出过评价的节点" G9 h% ?2 |% h; T9 N" ]2 U- g- ?
[set note (note + item j ([credibility]of turtle (i + 1)))! n- F& T/ P6 N6 |
;;*(exp (-(people - 2)))/(people - 2))]9 i1 W" e; ?7 T& l/ M! C+ X ~* x4 x
set k (k + 1)
) c7 G7 J& V& B]8 P5 Q+ E7 u% r/ }- j- Y
set j (j + 1)
# [& P! l2 t _" e/ c7 S]
9 T4 C& P1 m0 D% C1 Y$ aset note (note *(exp (- (1 / k)))/ k)# ^: O) ]8 } v& y6 R/ n
set credibility-list (replace-item i credibility-list note): P" @$ _7 K; G# C \
set i (i + 1)# f# O6 Q' l+ s% j4 C5 d$ _; Q; z
]
! T0 j8 ]/ i4 j! Fend
$ ^# A% |( B/ c0 M" V8 r' x! I: z0 R0 w5 ^
to update-global-reputation-list
- Z5 F1 T7 w9 c% w) Y* slet j 05 r- v1 C& h. O
while[j < people]
! b7 u' G$ C: E8 J& Q& W[% U1 x. Q# l5 o# x
let new 0
: F; B9 G& N6 B* G1 p* D: t$ l;;暂存新的一个全局声誉# h' h" s4 Q4 N0 ^
let i 0
* i0 ?9 N$ D! b; Jlet sum-money 0
3 z& o; K/ r; h* L4 d; G, D6 m% ]let credibility-money 03 c; v; |: C; ^, b$ ^0 S% R( l4 i, O
while [i < people]
" w5 h! z4 e6 T$ k7 ?- z[: _ Y1 X: X9 v
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
5 @: T4 w) w2 [& g0 z; F5 J- Oset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
( y4 {- t- g, @5 A6 z/ R$ mset i (i + 1)6 i; w2 ]4 O1 z% s, G% i O
]
' O. U8 x* ~2 }+ v( U0 p! flet k 0
+ V' }0 F [1 E6 a0 Q6 n, W5 V: n/ \let new1 0( w, w! h$ a; \' `$ B2 R
while [k < people]- B8 p2 H% {6 q+ p0 q) k8 p. m* v
[+ w# ?6 Q% w1 V9 f+ J; k& L
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! R9 |. w) D
set k (k + 1)( W ?5 d! E& Z+ \
]! L D7 b$ K2 }# W* P. j9 V% B
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ' E/ c6 I* @ d- E$ t/ y
set global-reputation-list (replace-item j global-reputation-list new)
1 G4 ^7 u" H( E( A$ jset j (j + 1)4 J4 W8 l$ h& x
]
* L3 e3 [7 y* L3 ^; G% _end! C" H7 Y k% l- j& I5 `( z
+ p: c( [! @* u9 Q% \
, }1 u+ V2 @% \% D
/ G1 |' e/ \5 G6 N0 ]to get-color
1 v5 i& \& m7 O" U9 G+ c% p0 J! ~ }' p9 H
set color blue
& _( N" X6 x/ s. s' V6 f. }end3 |5 H+ G4 i! F& u
+ W& S& z- G( E: a' t" }. r2 Q
to poll-class
, Z0 x- u* K4 Bend
+ t" z2 X7 `8 p2 ], C" `$ v
2 X M/ W, Y+ t4 b4 Cto setup-plot1
: x4 x1 G" }' m/ Y3 J3 @2 t4 _3 w8 o: W
set-current-plot "Trends-of-Local-reputation"+ T5 i$ N4 p: ~( r5 S
+ T( Q8 `6 A9 Wset-plot-x-range 0 xmax
$ W% P' F' @% }+ X6 X
0 X" R9 K1 |4 l0 M$ _set-plot-y-range 0.0 ymax0 t0 ~9 x# L) r
end
. b- f/ b' n) ]2 j- Q, v3 _
1 I+ x7 Z% I) u4 }) S, ^to setup-plot2
# z/ g7 ~, ^# @4 D2 G- o. D, E: U9 I3 e' _# n
set-current-plot "Trends-of-global-reputation"
' J. f9 ^; Z- X# v% U9 R+ J, @3 d" T0 ]5 b" F6 p) x' n9 v
set-plot-x-range 0 xmax' W0 ]0 _* A9 _4 v% D: L& @4 t# y& Y
* Y: S4 a5 g/ \1 hset-plot-y-range 0.0 ymax
& O; j9 y# J0 P& E8 _/ W& ^4 Send: S$ N. k# N7 }7 \. R, \
2 ] I" |0 N* l! c, a
to setup-plot34 {1 q1 E/ J( s) S2 o v# M
8 V" n V7 }& h. p' A
set-current-plot "Trends-of-credibility"
# l9 Z, g% c9 y4 o: _. G9 @- c/ b& y0 l
set-plot-x-range 0 xmax
7 w8 k% {. f- R. K) Y- t% l" H8 f- Q
( I: I( B2 ~6 O+ eset-plot-y-range 0.0 ymax" ]! L/ d" ~0 L1 s) E6 `
end
: E1 Y* r6 c' V7 a, b3 t; `3 a2 p9 v; n2 `
to do-plots
5 }. v# C9 @0 k, y0 rset-current-plot "Trends-of-Local-reputation"/ ~: ~ M: o3 \2 l# ?* T
set-current-plot-pen "Honest service": o1 Z4 a0 N" |' C, ^
end
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1 q0 m0 v+ ~8 l% b' N# M t[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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