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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 J$ U2 E& U) x+ w, r% p# [; Fglobals[
5 W& H1 U8 Y* J6 J- axmax
# @- L. D& K8 D6 h7 r5 S; {+ e0 d3 kymax9 K; {& ^( N$ M
global-reputation-list& y: q" V4 L/ r" N( L" Q* ~+ b6 M
% w" p5 {4 C: _;;每一个turtle的全局声誉都存在此LIST中9 @& ]* x$ O, A7 X6 g
credibility-list& E0 i# Q- X# E' y& p6 O
;;每一个turtle的评价可信度5 @+ h- g" T( Q0 T
honest-service/ a+ r t! o N% N8 B8 P L! V$ {
unhonest-service w+ S g; X* x" G
oscillation
! w" S% e( l+ C! l1 o2 brand-dynamic
n2 V" Y+ {# Q8 i1 @]
; o% u. ?( S2 L& W/ \9 G7 u) J0 A( }4 Q: {1 I* D5 V, f
turtles-own[* n( s* b) s8 Y! e$ U+ g1 j
trade-record-all8 A4 J5 f+ G0 r4 ^2 @1 Y
;;a list of lists,由trade-record-one组成
) f0 Y7 Y, b% H! ? ?0 X. itrade-record-one
& j; j5 f; O2 Y; ?;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录2 j- S' X I0 p& e3 M. f+ {, q
, b8 r1 z W4 g4 `;;[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]]' u7 |# U" a H% E% W" x) O$ k' 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]
# U: k4 s6 k2 Vcredibility-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* P: ~4 }' r& Y, }) Y
neighbor-total k' s, y3 V0 c6 C1 P f- t
;;记录该turtle的邻居节点的数目# v A G) b) w6 @" i
trade-time. _, U' T- @4 }3 N: M
;;当前发生交易的turtle的交易时间7 M/ O$ V M6 X( M, P
appraise-give
+ K3 _" {$ v; B% N;;当前发生交易时给出的评价
* @! I" S$ x* O; |, T" L( Sappraise-receive, v0 X& Y: P$ M- q
;;当前发生交易时收到的评价( S0 V( Z! r& A
appraise-time. b. w* B- Z6 I8 E1 R
;;当前发生交易时的评价时间
3 Y! p# V# Z- R3 y$ flocal-reputation-now;;此次交易后相对于对方turtle的局部声誉1 j# Q! v" H& O1 q5 R
trade-times-total+ {: G8 M6 p1 u; X Z2 y/ L" d5 S
;;与当前turtle的交易总次数
4 \7 |% V1 _/ Otrade-money-total6 `' P3 o* J) D! R6 L j7 ^3 U
;;与当前turtle的交易总金额
8 |! Y" g8 \( tlocal-reputation
( f G: t# s G. Tglobal-reputation/ V. n/ T% G0 F# R9 Q, Q
credibility4 ]9 S5 G# ]2 d5 `9 }3 c, ^
;;评价可信度,每次交易后都需要更新
! \, m/ Z! K8 J. k U3 [) tcredibility-all
% }: W, L Z9 |6 r* Q7 o3 {8 Z( 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" c" _. {) ^5 N$ t- k3 _
+ U a2 f$ i2 _% v0 ]0 F9 T( i;;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- `. q( C) l, q/ O2 C
credibility-one9 t1 s4 l& Q& S7 @# d' N$ l+ L( ?
;;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
; Y1 W( R) O) p7 A# t4 oglobal-proportion$ J6 n8 \+ E* w( _
customer
; K. R) [# T# c; ?' D ecustomer-no5 |/ M( W/ d7 f- O. c& `
trust-ok$ C a, `! Y% _- Y. [2 ^: k" S9 C
trade-record-one-len;;trade-record-one的长度
6 w+ o0 }- f# V d5 g5 J] o/ r$ w9 Y1 @' w0 o* K
* Q2 Z1 Z/ {8 C- s7 B;;setup procedure1 Z- q3 l; N. y" M
; A4 g$ \! W$ G. R
to setup/ j2 w( N3 B% T6 x. `
2 w" i( B2 S, o- c2 L/ A; ]. [ca
/ h8 P, { P( Q) a, E
4 o: v. v3 Q# {6 T" X vinitialize-settings" |. Z) ^* y& n( `& Z7 D6 ]# t
. Z2 v Q6 O, _
crt people [setup-turtles]' C$ ]3 \; m K7 j3 S
' C& W0 b* S# a& x+ O3 u
reset-timer
0 K, ?5 T- J* u' w, d8 k- f( [
( w/ |" w1 s* ?( }1 g6 Upoll-class$ D* z" ^; S% O0 ~
" m/ e2 O# ]2 b1 isetup-plots O0 }3 { n: T- N; i
/ Q8 r. ^5 K+ Q5 A& Y
do-plots
: M! P, K0 e" kend( R# I: V2 ~2 |& I1 z W7 L
[8 ~, L h1 M" i7 Dto initialize-settings! o6 G. G$ M4 q7 j
M$ l8 ?0 n) s! K9 l; rset global-reputation-list []+ F& y; |% r8 L B1 M2 r
: {/ C: ^! \1 y3 v! @" h z
set credibility-list n-values people [0.5]1 C/ v$ h( Y& C! Q9 d$ A f1 J0 A
* K& j+ A2 ~6 m/ I. V+ e- g) n( lset honest-service 0
5 r5 i y" G- T. u
$ S* l# W. C- r0 R( zset unhonest-service 0" v1 K8 p4 r5 E* `
) ~0 l/ @& k+ _# @
set oscillation 07 D' [6 ? D) T( {! f9 `8 c
0 `% w0 s6 N; r$ o( Nset rand-dynamic 0
' x# o1 ]& D* V4 z" [( hend& o) z g' l2 h" M6 H
6 O9 H9 p' f, T" E( qto setup-turtles % c) d# }; Y" }, c
set shape "person"
6 p1 b! |7 t. R/ Asetxy random-xcor random-ycor
2 A) n$ d5 M0 m' u& N$ c$ g0 ?set trade-record-one []
/ {9 I* K* Z2 Q$ o0 W
1 U; H& T! Z5 Y1 Y3 y% r# Wset trade-record-all n-values people [(list (? + 1) 0 0)]
$ f( W v$ `* x5 g' T, C
/ Y6 M, [) l h4 tset trade-record-current []: s* w" P% ?8 x+ M
set credibility-receive []
/ o- t0 m6 a! s* \set local-reputation 0.5
; V( E1 g# M6 n) N3 eset neighbor-total 0( _4 r# i y: U2 o; {
set trade-times-total 0) \2 v# y9 t6 i& N0 y3 I
set trade-money-total 0# S: n" X# B. x/ H0 W) S& H, a# C
set customer nobody
+ q b( \+ ~1 |set credibility-all n-values people [creat-credibility]
( k$ ?% w5 l6 [' \0 Q5 f* v9 Oset credibility n-values people [-1]
# o5 l" Z# x) ^* l" a+ q# O Iget-color
" T8 n, a- `- r( p" T b4 t6 B2 U8 h+ A' _
end
/ z- R) u& G0 Y6 U+ g% L7 I
& ~0 M3 k/ w+ G* X- Ito-report creat-credibility
0 r' u0 ^8 g" w; L9 c6 i5 preport n-values people [0.5]
& S$ d w4 E9 _+ H! uend- f, y4 O ~! g' R5 q1 F m
8 L9 v& }7 O/ h" M) \( y+ J/ h* fto setup-plots; q; ~+ c' O' Q: T
, F8 W. Y8 p5 Z: J- h/ S; cset xmax 30
. x0 o' \* ^: Q0 Z9 O- R! m
: Q5 t2 {$ h6 B' W! y1 Q7 V# Qset ymax 1.0
3 r; M! m$ g( g7 o7 x1 h S E0 @4 m1 F! R E) k) s
clear-all-plots
; z) w, x1 m5 ]
( N5 z! P$ _6 i3 E7 ^setup-plot18 E& D: N; I( J* z- _: y
4 S- |% r5 g# _9 H+ Ysetup-plot2, k, I6 ?' I3 e( u2 n
, a7 W+ D3 k/ y# f# ?
setup-plot3
! N; W0 u. [2 [* L5 l4 ?end
# s2 a$ Q) o! |3 ?4 s g' U
, W7 P) X# e* m- w' f;;run time procedures8 x2 Z( k9 r( s' H3 G) D, R3 U2 r9 D
$ T$ `- M* T0 p u. s. S7 v% i
to go
$ I1 u- w) y( _: Q# a5 S8 H; o
5 [! N( _' s6 O7 H+ p F6 aask turtles [do-business], E4 t/ I. q: \
end
. E* |* c. n _! T! H/ _ E; S* R: W1 b6 H& E
to do-business * a6 ]( v5 M. x; e3 W" y0 t' ]
! Z) m4 j# Y% [' }6 }( k" p
. S* M; t j7 s& x2 ~
rt random 360 x0 T t& K+ p3 F# C
( D$ t! }. D' |6 I8 v
fd 17 w4 F$ g* k4 [2 ?: u, a# f4 l
0 M; \7 C5 E2 ^, Z7 X$ }- y
ifelse(other turtles-here != nobody)[
N+ U: ^7 \. ]/ X& V/ J/ T1 d
0 _5 }+ M! ^3 i9 I( s, h0 Kset customer one-of other turtles-here
2 p5 ]0 u) v0 i4 \7 A w$ [9 s) E5 u* {+ }2 ]" @& |
;; set [customer] of customer myself7 ^# S1 M* E. `4 E7 J5 t1 K
; |9 X4 }4 `3 a+ x4 B5 D) Z) rset [trade-record-one] of self item (([who] of customer) - 1)
/ _4 d- [2 |! ^" t) j8 I( v2 I9 n[trade-record-all]of self
0 ?1 j. x3 D* W# o! X;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self, j6 s4 f: N1 J* a# E/ a" y* j
- h$ z1 L* B' G# w0 w; H! V) Cset [trade-record-one] of customer item (([who] of self) - 1)
2 l5 k- I4 a0 ~3 k" x[trade-record-all]of customer
1 A" |3 ?* r% x0 r* T4 g/ n4 Z' R3 l. n6 w- l9 }( l
set [trade-record-one-len] of self length [trade-record-one] of self
8 u6 ~1 k& l5 D& ~( Z3 u
% N% `7 R; j9 hset trade-record-current( list (timer) (random money-upper-limit)) L8 s. }* D; D/ ^7 P6 I, q
4 e6 A* p; T9 Y; C; l9 E
ask self [do-trust]1 O0 |6 A" q4 F
;;先求i对j的信任度2 @ h- i2 }# K1 g5 t/ c% e0 z
% O) I! B x. n+ B) @, x/ G
if ([trust-ok] of self)
' Z. g6 D. n8 J6 @. z6 n;;根据i对j的信任度来决定是否与j进行交易[
. E A* u: ~% j' cask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
/ O4 D3 h4 \: n. {8 a8 D1 U+ a! z
[
9 S9 c5 @- s8 Q2 w1 @* W
* g" l- U. e9 W5 ^. o+ bdo-trade
6 O% C/ \# c) k6 S) W E
0 B) u5 s4 Z: s, dupdate-credibility-ijl
' M5 | m7 V- u# d# X' i
) I/ L5 X* H; ^" y5 qupdate-credibility-list
# M" J, S) g' @! |( j8 {; W3 O) j+ C3 y7 c
& c' L. q, [ i: M3 i$ B, W
update-global-reputation-list
- r$ c5 K$ Q) F7 C) ^- d- P
5 }2 o8 A: `3 Y# ]9 F5 E* b2 `$ ~# vpoll-class! H8 F# a* J- Q# F- F3 [
1 n( I6 B* \3 X# l3 F' b: Lget-color. M z7 G$ z, I5 H, N
) o9 j' Y f! n5 d7 D/ Z
]]# j3 d0 o7 c7 b) i/ V
; S$ c+ l9 {# |3 t
;;如果所得的信任度满足条件,则进行交易 N$ c+ `7 H) _
0 t& X1 F: [# \* ?. D& ]. R& }) U$ N& x[/ D( L1 l2 Y6 l: _ x5 X
6 c. e5 R) C, P9 M
rt random 360' {( c5 l! R$ w7 Q
$ g, M0 S: A% ?* v
fd 1- Z$ { K0 Q: }" u. V7 z9 m
- H4 p7 E+ c& [' a# ^2 T( n2 P
] d9 a" {& X/ S% n
4 [" h3 M: q4 X! fend
( g0 @/ l5 K' W1 @ n" t- q9 q( b4 |8 s7 `2 M3 ~7 S' f w
to do-trust $ y! K7 {: E j0 `# H
set trust-ok False& z# l9 V$ u3 G) `# p; g# }! _6 F
9 V! d8 ]3 N- c9 c% {0 M" P$ U$ Y% g0 g9 N/ [5 J
let max-trade-times 0
+ G% O' S. o5 _! qforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
# w$ X8 o5 a5 n- D5 {9 d7 _let max-trade-money 06 I. M' }2 y# t5 x
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
( F# c' ^, M: i, hlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
, P% s# B3 f; v. X/ G
( t9 o7 ~% g9 r# O2 Z7 c- P
0 d1 L1 }2 ]- i4 |: G, h- Lget-global-proportion3 n; D# d! C5 z
let trust-value
& z7 W @2 m4 d6 ~2 a( S. mlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
- e* A b7 i# i* Z; _$ tif(trust-value > trade-trust-value)
4 }8 g& U e. W2 p6 Z. ?0 U[set trust-ok true]
* O: \3 q# c2 L& e# b. g# }end
$ T8 u* D, ^# @) z/ Q+ y/ J3 L) R! x( T; C/ A
to get-global-proportion" T) J3 l0 J+ K: D6 s' i, S
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
a: m& h; r, o9 K[set global-proportion 0], ^( {$ e' t. T9 e& A8 @: p' S
[let i 00 g0 L" I+ _7 [) ^* ^* j! Q0 T# h
let sum-money 0 V! e/ V4 E" D9 S, K
while[ i < people]4 `; s9 `+ F j0 K* `* N2 F
[
0 ]0 Q! W% C, gif( length (item i
2 t( n6 E3 H" Z* ^' c7 s[trade-record-all] of customer) > 3 )3 X& m+ t& B3 y6 G$ U
[
3 a5 h1 _3 N: c1 _, L: pset sum-money (sum-money + item 2(item i [trade-record-all] of myself))! }; p6 e6 [; B( ~# q) `
]4 u" @% \6 k) S5 l S3 n2 x4 a/ h# {9 r
]
! h j$ n% ]6 ~. p3 G2 Clet j 0
; |9 u/ ]5 N- f3 {6 k% a% Dlet note 0
* y. A& D, J" ]7 U2 bwhile[ j < people]
" x% h- ^9 y* }0 _* _[
8 k2 ?' ]$ f- P& K2 j0 Nif( length (item i
' v: [+ ^. q; g& A, d S[trade-record-all] of customer) > 3 )2 O* C0 o1 x3 j0 a/ O
[
4 c3 d6 X/ B7 T) @% |0 Bifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)* J9 c5 i3 v3 x' k 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 F. @ K+ |+ g& R8 F2 o
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
7 Q; i/ ~# t1 N! H- s: L6 A]
5 G" U- ]4 `; r9 ?, B* T' C) l]
5 B% Q& s! [6 [9 ^set global-proportion note
/ e3 @2 f- r% L], }8 u E4 t3 O" ]) v' w) a! Y
end
! c( B) f q% I; X. r: l( E. g* Y! V
to do-trade
0 P3 A9 {4 D& q3 h$ \;;这个过程实际上是给双方作出评价的过程: k" V- |3 W7 O& @/ D- s& c2 K
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
" x5 ?# X0 e, q# I" v F/ q4 bset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
& U- k; q c, [0 O3 v+ Qset trade-record-current lput(timer) trade-record-current o+ x: C u/ Q0 {7 |
;;评价时间
0 c" t; _/ I) uask myself [
& F" G# p$ q+ Q* {1 K9 d7 uupdate-local-reputation1 J- `5 H% `( U1 Y3 u' d& X: t5 t
set trade-record-current lput([local-reputation] of myself) trade-record-current
" b1 b+ F' D w- B( @]" [" F: U3 [' q" X; w, x: i
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
: L) }7 I" B( Z! s;;将此次交易的记录加入到trade-record-one中0 X; @8 f7 h7 j2 [6 q9 n$ }
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself); ?! ~- h- t3 [! m* m
let note (item 2 trade-record-current )
& [% @. ~* m- f$ Y$ r/ f5 C: fset trade-record-current
% L$ g* P+ J& N- L(replace-item 2 trade-record-current (item 3 trade-record-current))
% e/ F0 u0 X" y, T) ~! B: hset trade-record-current: T9 m( o- d, K4 z& X
(replace-item 3 trade-record-current note)
/ N+ ]6 x J8 f2 K9 W
+ l! j: o e7 Y6 r9 W5 B) d7 q" i" s3 L3 J
ask customer [9 a/ I0 E2 q! Z3 f4 d
update-local-reputation
% v# G/ q8 |! Eset trade-record-current% s& e2 \1 ~0 C6 Y7 U9 w% @9 l
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
) _ b' N! k% V6 i8 J& Q1 l% j]# t8 w$ Z* e, @+ D, g& N& P
4 N/ z# y" k7 d# [5 c
& B6 m: T% s' ]/ g7 V: i4 Zset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer# y; R2 i0 E+ _' ?& `# a/ h
5 n# v$ @0 Y+ q c, b% C) F- d! i+ x
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))" @: g+ u# F$ w* u& v( D
;;将此次交易的记录加入到customer的trade-record-all中, r% q9 R3 D2 w1 _
end/ r( {% r8 z" p7 w. C3 E2 m+ Q0 ~
& Z3 A2 d" s5 f" a/ B4 b: R7 J$ ^# wto update-local-reputation
( k. B# O% T/ ]) b. ?0 Wset [trade-record-one-len] of myself length [trade-record-one] of myself
. X [$ d4 q1 r4 J* z7 T( [$ p
( Q8 s- Y( ^& w' l8 y- ?0 |0 m1 E$ O( i! G
;;if [trade-record-one-len] of myself > 3
`: _% N1 p, S$ c7 D& C+ _' ]. Jupdate-neighbor-total7 t( F5 r: N5 m
;;更新邻居节点的数目,在此进行
) H* \( Q1 \- K, B ulet i 3
# [ ? F$ l2 e/ P2 x }let sum-time 0
% n5 D7 y; w( S. s3 \while[i < [trade-record-one-len] of myself]( f9 j7 M0 W6 Y0 h; e+ ~; t: c& f
[* j2 Q( w! I1 M* g, {. @7 \3 o& ]
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
. A: L7 t( `7 `" B/ {6 S* c; F" a$ lset i5 W# ^( r& j7 ?5 s& ~
( i + 1)
7 F: |7 D$ ?, d* N6 ^, J& ^, j]
J9 V. \. h, V) {let j 3. G! q0 H& G& I1 d. F6 I0 e, W
let sum-money 0
; G. `2 B; p$ f1 h) @9 fwhile[j < [trade-record-one-len] of myself]: _. I0 D& u$ L! G5 v
[
5 \' F$ i; F8 p2 Jset 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 @7 L: c) A7 eset j
% i3 p* r; N) o; i( j + 1)) J2 d) k$ h3 U9 b3 r* O
], E1 y$ w' {- t$ S
let k 3
5 t9 Q) O# D Y+ h2 ulet power 0
" O* R; x; X! b, nlet local 08 Y0 s1 b h4 ~
while [k <[trade-record-one-len] of myself]5 D) q% Q* }0 Z# B. O
[* R2 m1 r& l& 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)
0 d0 I! J( Q6 s5 g: Tset k (k + 1)8 z- v1 @) a( `" D/ B2 H
]- A+ a* S- {3 R# p' H
set [local-reputation] of myself (local)# i% k6 f" Z( g& B
end* R2 i$ G: l0 N. R4 |1 ^. Z6 s6 G
7 o* Z( D. Z5 Jto update-neighbor-total
8 I. d+ H$ \$ C3 G5 h7 p7 \ w/ s4 k+ M" @/ e% b5 n
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
9 v" o) L7 g! Z( d
, m1 V8 [$ p" G7 ?5 a
! B+ }' o( a3 `1 Kend
9 R+ L: M- m: J. _/ B
0 d, G/ X+ z% I% o+ o9 o0 Pto update-credibility-ijl
' ^- F! T3 K" v+ x6 X6 x+ ?
' m/ L0 i6 w0 @9 k) i;;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。' Q8 m6 v7 l7 C$ ^1 q0 p+ i
let l 0
7 B! }; i) b5 g: kwhile[ l < people ], w( n5 h$ ]- M" a) o
;;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3 Q; X4 T+ v1 P: b* c J
[9 _3 y& e+ F. _2 u) m7 I- [
let trade-record-one-j-l-len length item l ([trade-record-all] of customer); V5 y* j4 ^' j( h. S" ?( ?
if (trade-record-one-j-l-len > 3)3 H, T- H/ ?$ U+ i
[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
3 J5 w8 n0 `3 y7 llet i 3% N; k' E% z/ D i0 g9 @
let sum-time 0" C% K% e3 `7 Z8 A# o$ B
while[i < trade-record-one-len]8 L7 l# M, a4 F& N3 s
[
9 m" U( s6 k( k, M) H5 ?set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
9 F" I: f" A6 D, b3 u% K6 Zset i! ~9 Y. {( g* x; ^" j$ T9 K
( i + 1)' ?1 [# ^1 N$ M4 r5 v
]
# `: p8 b: @# X: Qlet credibility-i-j-l 0- H/ Y% Q4 d& Z% ^* @& F
;;i评价(j对jl的评价); w3 j/ m- @6 |& A; W
let j 3' q7 n$ D+ ?' o, J. z
let k 4
7 A- Y3 e: X5 A6 B5 y( r; E( Uwhile[j < trade-record-one-len]
{! b% ^! C* C$ B7 ~8 L( ~. C[# B; T5 I2 }5 f
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
2 K# b& z/ C }, zset 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)
- W* m1 i; u' M! u, ]8 F0 iset j
; ]- B5 }8 @/ l( j + 1)0 U5 E% @: T7 e- Q' U, t& v
]
/ z |! z5 J# ?: P6 Wset [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 ))5 T! [: x7 _4 p4 K9 t! L
! X0 m9 F6 }& P$ k5 T5 g
6 K( W4 Z! [; R% N: glet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)), w5 D$ |3 n# Z* }, v
;;及时更新i对l的评价质量的评价
' x; }" l8 w5 b/ ^: ~$ l! A$ m8 wset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
. |9 g: u5 N, y, R+ e9 X0 @set l (l + 1): G" \& ^; J! X7 W0 R
]
% n3 v" I9 J* J( T5 }- @3 Mend6 u; o# c( a- t8 I
8 N/ [+ Q1 O9 D( c0 w. @" Z, n2 D
to update-credibility-list1 |2 c+ D& Y2 d! N
let i 08 L: e. F3 h6 I. D
while[i < people]$ e5 k6 C& j* t0 g% ?
[ n, v: K8 @, }% O# n8 |
let j 0& ]* y, _1 O# v
let note 0; Z# V5 n# M. {, b
let k 0
/ R0 i; k: Y' [+ }; j3 b;;计作出过评价的邻居节点的数目
4 b$ I. |+ |; r7 |! j2 uwhile[j < people]
, e e D9 ?; o' ~; X) d" ][
8 q; {0 q8 t8 K7 H* v8 n7 aif (item j( [credibility] of turtle (i + 1)) != -1)
1 P9 {5 z9 l& @: C- ?2 _;;判断是否给本turtle的评价质量做出过评价的节点, n& \; P( a6 f
[set note (note + item j ([credibility]of turtle (i + 1)))
" }+ v4 [, R$ H+ f* K;;*(exp (-(people - 2)))/(people - 2))]& O' J3 R/ O+ e/ [: K% w \9 O& n
set k (k + 1)8 a0 z, u* t' _
]
! |5 t( t: {& d6 qset j (j + 1)
& f# x. k' t# n, p' R* R' Y/ {], l: m+ Y+ c# Z- f# s& p
set note (note *(exp (- (1 / k)))/ k)
) o* `* q0 k) z+ Tset credibility-list (replace-item i credibility-list note)
- x8 y$ u2 M# X7 W* kset i (i + 1)
/ A1 S9 P! F" }' C' S* y]; ]8 P; M( Q2 Q
end
6 \1 P, \" U" I& p' p o( J6 B" w2 o7 U
to update-global-reputation-list( j1 p) Z" z- N" f9 B
let j 03 v% X2 k- N$ I; A; A! e N
while[j < people]
. G- x3 T, O% L* R[* A6 C' X) g$ X1 l5 V. `2 p7 Q1 L
let new 0
1 z9 r B4 h2 o. B4 `% Z1 f;;暂存新的一个全局声誉! [. F8 N1 c# L4 z: w8 g
let i 0
' Y( x: Q! P, C& N* R6 ?5 Zlet sum-money 0
1 o, s$ N, g1 h8 m+ Zlet credibility-money 0
4 } @% @2 Z+ n2 N1 @, }while [i < people]' M7 q& j) ?1 l2 x# T6 ^( V/ O0 H
[
- k2 q: X) N" ~2 l, r {set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
: v" z x9 I. ^2 C1 xset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)). c' E! O m6 a7 l4 o1 D) a, y: c
set i (i + 1)
# g. r$ j6 h# ]6 j- d5 P]1 z8 K% U. H5 s3 h3 Q
let k 0
$ s0 y/ Z6 } J/ x9 ^let new1 0
& I9 m8 @, Y4 Pwhile [k < people]( t* j6 X3 X, F
[* J9 F9 \3 T e+ a- s
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)
, r, K2 `2 Q6 ~2 J* ^set k (k + 1), Y( O3 A [ C5 k
]& v7 u4 ~7 V3 f
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) * n8 S3 W9 e0 E& D$ d# ^! n" H9 [
set global-reputation-list (replace-item j global-reputation-list new)
0 z3 G% t5 H$ R1 u" Zset j (j + 1)1 Q3 E Z/ [; d/ R- o
]2 y+ ?; E Y% N5 c1 a# R
end# b I- A( R" K* o
4 o9 d5 Y. x# f/ H6 K/ i: Q
5 n( G0 `) e, U0 j7 B& I, c% S5 }. \# \9 h) w! q
to get-color* `# f% a4 \: `0 D8 _
: N- B3 K* r# bset color blue
! F# _$ C) D2 q: |end
, Z B2 ^/ A) k w( Y9 G. p: n& x' P( I
, P# T; F) ~$ H( E- kto poll-class
/ n& u/ Y* k3 A4 v4 a4 |# z3 Mend
: W+ n1 m9 H# [; M% q
6 |9 l5 u4 H- t, X1 ]to setup-plot17 o* u% o, R* m
V& n* y2 t1 S3 i! S. K
set-current-plot "Trends-of-Local-reputation"
0 l2 M2 f$ R9 B2 F
v# J2 w1 U/ @set-plot-x-range 0 xmax" g5 i: e. z. P: M! Q- i* _* @! J
: o/ y0 e/ {( l6 Uset-plot-y-range 0.0 ymax% r+ r/ F9 i2 _2 k- M' L* }- t2 X
end
9 h j* ~ b0 U; N/ k
" I2 ?1 Y5 _+ E s7 \# Fto setup-plot2
* R9 \$ J$ b# M4 N* ~+ H8 ^/ ~ `+ H# {. {
set-current-plot "Trends-of-global-reputation"
3 Q+ I( g/ s& O3 j0 I8 F$ s) E! b* U: I, x& B
set-plot-x-range 0 xmax
0 x- E6 k* o, Z1 a" K6 q; Z! F
9 j& k5 M, a6 \* j6 rset-plot-y-range 0.0 ymax$ M6 X: P! A' u5 S
end7 x; ?, Q6 v. U# F! {6 n& B: H
" @3 l/ i+ g. r4 u5 G
to setup-plot3
4 A6 n6 J- N* r( @- L, G" k5 C' @+ X( N% p; q+ c
set-current-plot "Trends-of-credibility"
, R& \( I6 |. \) j
i. P" [) R0 o# sset-plot-x-range 0 xmax$ v W0 a) J8 B, B% x
' l1 q+ I9 n4 n$ ]2 [ Sset-plot-y-range 0.0 ymax' G3 T) o3 O0 m7 ?0 o6 u1 P
end& p" L9 B$ z' i; d) y, q M
/ b2 D" s" S& M0 w7 Zto do-plots
- u1 q7 D D( d9 q) t1 fset-current-plot "Trends-of-Local-reputation"4 t! k3 i, G& j$ z* k! G
set-current-plot-pen "Honest service"- W% M f! Z# W, x8 K
end+ _3 P6 ~* q+ P S. Q
' E1 b8 D8 J% f6 O[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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