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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
1 u+ S1 C `& \) e& i. m; h: |: Rglobals[
* n# t$ a( h- A$ z% }xmax% d) ?3 o9 q2 |: {: i% n" s
ymax
8 v0 V# N& \" [$ q/ E) Xglobal-reputation-list
. K; L+ E/ b H1 s) }1 A9 @" O7 O' B; U2 v+ x
;;每一个turtle的全局声誉都存在此LIST中' P; P& U1 \2 k4 @3 a$ a
credibility-list; Z' ?3 {0 J& J+ L. Q
;;每一个turtle的评价可信度
2 r& N# ~0 }4 p7 v7 r& }honest-service0 m4 T$ R" X; m
unhonest-service
7 c& t. I. P. y$ d m# F: q& `" foscillation
6 ~9 S! f; }5 ?rand-dynamic% J: L8 e1 V9 \1 ~
]
: s. e4 Y7 Q7 _3 F" Y) {
% C( Z" T" w) j1 ?5 H7 cturtles-own[/ }* M* k8 S- D: l$ N
trade-record-all' J. ^( A4 n- W3 @/ y
;;a list of lists,由trade-record-one组成
! s& |6 O" r! B; V1 E* [# b! Etrade-record-one: n' ~/ H, ]# W$ ?1 J; v
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录; ?- o2 Z8 w9 a, f$ Z- ]( \* P8 v
8 w5 k$ N/ K+ ]
;;[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]]
\" H4 @ ]7 Z0 g- X6 E# Wtrade-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]8 \/ }" y! x* a3 j$ Q2 U# C. F; }- S
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list6 Y+ z4 Z! { o/ a. r& f! X5 E
neighbor-total& e) F* a4 X# E4 r$ h0 V
;;记录该turtle的邻居节点的数目& q* q2 a7 O% U- j
trade-time0 S& L3 S3 G- `: J- u
;;当前发生交易的turtle的交易时间. ^8 M7 [5 z- s
appraise-give( B) I2 j J E( I- V% C# \0 r" l
;;当前发生交易时给出的评价( l' T2 l" t: _ _
appraise-receive! H) ^9 { i: e; J# u3 O8 f. J
;;当前发生交易时收到的评价+ V0 S% W0 E& B
appraise-time) E+ D( b \- Q5 }- V- \+ ?6 ^; e
;;当前发生交易时的评价时间+ M O0 G6 m: i% `- y! V& {
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
% z5 W) {! H. `# s- strade-times-total7 a- @9 n! u+ ]( s: A" R
;;与当前turtle的交易总次数 N: h4 ?0 r! G
trade-money-total
e9 H+ f1 |9 e M* L2 ^;;与当前turtle的交易总金额
7 Z& b s/ I/ C) A Tlocal-reputation n# Y# }) ^: a7 L+ j8 _. A
global-reputation! F$ Q1 m, U0 N- \
credibility
# \1 `1 a# x( Q8 o6 I0 I! @;;评价可信度,每次交易后都需要更新
3 b9 D/ F$ e0 {1 D: i; s; vcredibility-all9 q7 k0 N7 C4 T: {
;;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9 B, }( q4 O7 ]% {! Z
9 T; ]# ]0 e! q& [# {7 ~5 e;;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0.51 i% Y- u3 n5 u. D+ w2 f, I3 S
credibility-one+ I0 B. _+ T" R* r' g: d4 x
;;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
/ _) G& T/ l% s1 @* zglobal-proportion1 j' s- N" E: d8 p0 R: ]
customer! P6 l1 s( a+ F* z/ s- o
customer-no# n# d8 C4 V. N4 W, d y$ P' K
trust-ok$ J( P' M6 V T
trade-record-one-len;;trade-record-one的长度6 @' I; _2 T4 b9 A" _+ g
], I4 x' z% O' f8 y9 t9 D% F ~
, B/ c, Y4 a. [* S+ ^; f5 p( {;;setup procedure
# L' ^4 H7 P; ?! F! I
( q9 D$ O0 r# m; v1 R" cto setup3 w+ i, e( Z G4 a3 k( x" N4 N
4 e) B1 o* h, [' fca
( [* M* T \% Y
4 F% V% o( | |$ l/ {& X* Kinitialize-settings
9 v" T T. Y# w7 H. s% ^, G% f. k) O9 B
crt people [setup-turtles]
/ V3 U) t) V6 U1 f- f4 S( p9 _) w3 E+ Y- P8 H- ]
reset-timer' J! R% Y+ U0 E0 k/ f( s3 z
( Z+ G9 [: C8 I, _9 k( L; cpoll-class9 x$ o S3 j% s
c! l; ~( A) k* F) fsetup-plots$ J9 a$ x5 H A, l( l' G: \8 n
9 M g0 ], M" A
do-plots" s+ [- r4 ?+ N- R; L; v
end: @+ J. D* ]+ }+ F9 d. N1 c
; i3 {% Z2 |0 Q1 [, x9 C
to initialize-settings i- g8 U$ ]4 S
8 ?* G4 Q0 U c7 H1 u' h6 vset global-reputation-list []
4 r7 F- ~- Y6 _) v/ b5 s H% o; V/ B+ ?: v9 {; m
set credibility-list n-values people [0.5]
) q: m( s; d2 S. q
; s! `! z8 w% ^1 `set honest-service 0
$ U( Q! W3 ], ]5 G D B: O" k# c: J% ^: e6 c7 y+ ^. H
set unhonest-service 02 [7 ]. k' Z7 e
- s! u a" u, I. c' r+ ]+ e2 x) J$ S
set oscillation 0
" V: g" m# r! J! x
6 B- y- o) u4 u* X1 M& [set rand-dynamic 0
8 N; H G- b. ^; m4 X/ J kend! S' }8 {9 ^: i4 K/ p* _6 \5 I
- J4 D3 H- a$ P# r5 n. |
to setup-turtles ' k3 {. t6 q) s* C
set shape "person"
4 i* {" H" `: [" psetxy random-xcor random-ycor
* Z& F, q! ?4 ?) p4 w: F. x9 [, nset trade-record-one [], M8 P }; V& T G1 W5 [
' t1 H% E; {2 {# n+ k0 r9 w) g: f
set trade-record-all n-values people [(list (? + 1) 0 0)] 2 Y, h) N& N' O% {. q( ~
4 ]# E: s1 v" B& _1 z0 _1 `9 cset trade-record-current []; Y9 q4 w9 ?, r+ s8 W3 f
set credibility-receive []
% {) ~. U& V( F) ~6 Dset local-reputation 0.5
; b( v( D4 Q) Q& Jset neighbor-total 0
4 Y3 k( O( g" w5 J: W+ `* J% jset trade-times-total 0: P# C B4 g4 t% ^4 |9 o" S
set trade-money-total 0. m* d, m5 X+ _5 T5 \. C
set customer nobody$ r, c" t9 | G6 M' E
set credibility-all n-values people [creat-credibility]+ a% _' H1 x5 f$ u
set credibility n-values people [-1]& j& c s) C' N
get-color( T8 ?7 d0 R4 X/ z
7 s! q+ p' F; e: q, Q4 e! r0 m% z! }end2 U! G0 i1 _' T+ g1 q' }
! R: h6 T8 {5 G9 N2 q0 Y+ y4 M
to-report creat-credibility
4 [" ]# F( e1 D- z6 W/ {. ~report n-values people [0.5]
! W# C X/ M! S' i; Z/ G% }end
! y5 _1 O. j+ l( E6 W, u7 y! W) ^1 ?
to setup-plots
% Z" ^3 h1 F) r; s! i5 c3 W) u7 ?) t- j1 H* z/ O) e" Z
set xmax 30
3 s2 n1 p2 w2 d7 d$ k
& ? Q+ U6 P3 k7 V, Cset ymax 1.0
3 _. {# w# M. x7 k+ U- F) L j% I/ e4 m5 b1 h) q
clear-all-plots
; E0 ]9 I- a0 m$ \7 Y1 K/ K9 k; D' F. A$ L. [
setup-plot1; E: J3 @# E9 E4 h3 U9 F
& o3 K5 ^1 l6 g$ j* W: j
setup-plot2
2 r& W% P( q1 @% I1 T- o, e
8 H8 R/ z" n7 a! v7 c( v8 Fsetup-plot3
! D: F" K+ e, X$ _end
" s" r& t/ v2 ? G/ Y& ^
0 F+ r! T2 w3 N$ {6 k2 R;;run time procedures0 N- {. z! |' s8 b m% t4 j% V: L
2 v- V6 ~/ W2 c6 G! s
to go
9 H' S2 q; r& y1 s* ]( ~
6 {% D6 N# [* I I. A8 ?. vask turtles [do-business]& Z3 {9 L$ G* g
end
+ i! ^% c( Q% c3 O( }5 g1 z- e
+ D0 n( ^+ {$ v9 L! n7 ]to do-business
4 P r N3 ?3 S0 \2 X+ k* m- h6 D1 d4 d
* U9 M% ]3 b7 F3 S, j( \
rt random 360
{- s. Y" [/ e; v0 ]" P
: P- L4 a1 B5 l0 k% ]( S z: Xfd 1, w( [' O+ S* G U @. z7 q# L
# X: j: y$ |9 Y
ifelse(other turtles-here != nobody)[. p+ d; o$ p% g4 q* T( t- j
2 `# b! A- o5 {set customer one-of other turtles-here8 n$ m) h' F i- I& ~" |' G
$ T6 q: d+ @# }- \
;; set [customer] of customer myself. w. u8 x' z8 m0 M' }9 U' Y
: e6 O0 |8 B. x3 F' m- Fset [trade-record-one] of self item (([who] of customer) - 1)9 m2 `: e6 a9 E$ G8 |
[trade-record-all]of self
2 w0 E) o& _; d5 E8 N;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self/ Q2 D& r* T# h# u
" X7 h) A: x" Z7 m- A( G
set [trade-record-one] of customer item (([who] of self) - 1)
- H5 J- U# e7 g5 t+ N1 O9 R[trade-record-all]of customer: }) i' j: s: C* r+ R8 t) k
/ D$ F$ X2 h' b. l+ @$ ^) k" H
set [trade-record-one-len] of self length [trade-record-one] of self
; J9 q+ j l i( _5 c0 r" B
- N6 K1 g4 `3 J( t! l) M8 Rset trade-record-current( list (timer) (random money-upper-limit))& l& A' }! W% ]; p0 K2 H3 L* l
! |8 B) u0 H/ P0 x/ @0 I# [. sask self [do-trust]
$ l3 c: [$ h/ P! r+ u f( V) r;;先求i对j的信任度3 s; z4 m; ]' b* a: F }6 N
]& ]" I# s7 y/ c
if ([trust-ok] of self)
( N6 n: H, ^" C3 \! [5 y4 _;;根据i对j的信任度来决定是否与j进行交易[
) X. U4 l3 @& W' }ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
2 ]8 V/ d0 E1 C$ u* `. N# u. [, V0 R- q. c' J+ S& B# N) U P
[
: s$ \7 ?. T# C
% V0 G; q g8 T9 mdo-trade2 L8 v) v- _/ O# c$ V$ [: a
- p! o& i1 T; {
update-credibility-ijl2 }3 B; X2 C4 n
3 j! {, P) |# J! C3 b0 U+ s9 Vupdate-credibility-list
! n' q( [! w# ~6 l7 o$ T! l( e4 G$ Z- p& U$ Y& J% Y" R
7 k+ \$ G: O2 {( l( S) f
update-global-reputation-list
& b$ ]% k& m, \6 E; u2 Q# F# x- g0 B
poll-class
1 c" S' R# l( N. E- _7 o8 w x/ U& P, P% J* ~4 m- U
get-color
- B6 t) O A+ M: ^; V7 }$ G0 H4 s! n! {* x& Z: y( K" ^4 o& C
]]: y# a, z6 T4 M3 l
; |6 h( M; }5 f [0 l' j( v' B;;如果所得的信任度满足条件,则进行交易& w! e! Q) w( x3 Z
+ v) B0 @$ Q/ c u/ c' A
[
7 ~% h% K1 P+ ]+ V, Y& ~) w% D# ~! `9 c. k5 j1 ?# V7 O9 \$ X
rt random 360# ^7 V# R$ s4 j" X. i: d) |
+ k- [) e5 d; O+ b; A. Z
fd 1% O0 I& S$ y5 t. V+ `+ b
0 H0 j: w+ P& M# c+ D" w]& E' f* }8 ]* i9 M( y- s
o) P( j$ a/ i$ d1 Yend
! U; c+ y' x! @) h- W) l1 A$ }: h- l+ C P
to do-trust . e+ m# q& k% P
set trust-ok False
9 ^6 C$ U: P" J; [8 A/ y4 z& d" \; U( [8 w+ H
3 h- N" E; O* d! b; Rlet max-trade-times 0
% c$ d2 p1 k, z+ y4 Kforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]( ?0 z; f7 y1 U
let max-trade-money 0. p" A2 `) ]/ M/ ^
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]], {3 f7 Y$ K, v3 \5 D6 I, d2 I- I
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))3 M& V, Z# |9 g, Z. A: f
5 m7 Q" ~% M; q" f4 f5 C0 T* O/ O+ j; a% r3 W
get-global-proportion8 x/ s3 |2 S) n+ b8 \
let trust-value0 @# ^& p( _- n: [) D, l0 J2 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)
1 z: z+ ^/ h) Z& N6 u( g3 a( b' Vif(trust-value > trade-trust-value)
& z2 Z9 r2 p. f/ M/ p) f[set trust-ok true]0 u9 n, i/ F+ ]: h
end+ u) |( l( P+ j* @- g
5 A+ F5 A8 N4 y% Wto get-global-proportion
+ z" P; T. m6 eifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3), D- ?3 b- t$ q8 E" q; X$ U
[set global-proportion 0]
; Q5 g; |) g$ l! I V# J[let i 0* w7 Q; |- o T/ H( L6 k8 B2 m
let sum-money 0
8 ^' Q" y( M d2 G7 wwhile[ i < people]
4 I5 ]! m& ]# h1 O+ i& \, C[
& T3 w- r$ ~# l) p3 t2 jif( length (item i
8 h' @6 x! U n[trade-record-all] of customer) > 3 )
4 x0 r# B- x% Z% L[' G# o6 P$ }. W1 m. w5 n
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))% f/ Z) y* |! ~+ R! S5 e) O3 r+ @& x: y
]
7 I8 _* p+ v: t! m]
: c z7 m) |8 Y' j9 Klet j 0
9 y5 K3 d/ L# V f* a( flet note 0
: J0 t' A5 ]- ~2 l4 V7 Dwhile[ j < people]
. A, x# g3 f* X/ ?2 }- _[+ b, w1 y% j t( v
if( length (item i
# x2 N. l2 ?9 l5 h% d3 T[trade-record-all] of customer) > 3 )
6 v2 {/ ~( i! E- S. P1 s[
) x2 K1 Q9 O0 k i0 N, Vifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)+ M* P$ T" Z- e1 M$ Y7 G
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]) c Y# O& _! C. d. Z* J% h
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]- u6 e' l2 T2 p1 k0 W5 w6 U y2 I9 Q
]" S; t k# t1 c8 ^8 a; X2 q
]9 k% |/ W7 e' |( H7 y3 k
set global-proportion note) ^9 a5 T+ {; U, e- `+ @8 f
]
1 W1 d( y9 t6 _/ uend" e' P9 ]. L' n3 u1 x
2 I0 H3 c1 g5 h2 P4 M, \1 ^
to do-trade
2 T- p3 ]/ ^. v) l; D8 J;;这个过程实际上是给双方作出评价的过程- y, O) I, u5 y+ z
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
3 w7 b) }# u5 L+ V7 N0 b5 W6 U0 Dset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
4 P+ j3 I6 V# T4 pset trade-record-current lput(timer) trade-record-current
& K3 O4 l3 c- V* @;;评价时间* | r* D4 v. m5 I `
ask myself [
/ T5 X% D. x; s( j( Dupdate-local-reputation
( r y' t& K5 Y' Dset trade-record-current lput([local-reputation] of myself) trade-record-current9 a3 s! c8 O. Q8 M' _: r0 |
]9 b5 ?% L9 ]+ s* L- [& _' M
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself! E6 j/ U( K6 D8 s
;;将此次交易的记录加入到trade-record-one中4 X7 z7 a! l4 _8 \0 J& g" J. Q& w
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
. u. M/ M3 p# {1 Q2 _9 U! Q p. \- dlet note (item 2 trade-record-current )
' A9 r' D; a$ ^) W$ ~- Jset trade-record-current$ B$ w" x! Q% e* g
(replace-item 2 trade-record-current (item 3 trade-record-current))4 G$ v1 M5 E5 s4 s7 q- ]5 @
set trade-record-current
+ u" P0 `9 Z$ q, e( l' g. Q5 n(replace-item 3 trade-record-current note)( p- V) L6 q( m ?, |
+ ~6 e) O; G- A
5 S. s2 G7 [5 l9 C
ask customer [* G- Y& }- m' d7 s# N2 Z% {2 o
update-local-reputation
, W6 N; E! G3 ]. uset trade-record-current2 D) _" v- | R- D
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ! x0 b$ @2 |% Y* y1 d( V3 @# u* k
]
$ b9 V: `8 ~5 X1 b+ c8 y; X6 F2 S" Z
9 r" R! \' C% P8 A
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer3 B/ C4 x5 m7 x/ Y* i$ h
/ k+ D. m! r/ D$ C7 E
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))) i2 T e" k) D, Q( A0 r3 C
;;将此次交易的记录加入到customer的trade-record-all中
, w, V) V7 Y. aend8 _2 z) C2 Z5 I1 U9 l
* B/ v7 V+ d: J% S+ u( W3 [
to update-local-reputation
! L: m* ^9 t6 n3 Wset [trade-record-one-len] of myself length [trade-record-one] of myself6 p) y3 Q7 S6 ^5 q, b
$ L! t/ Y7 r) K6 T
- v; S* m1 a4 e. f;;if [trade-record-one-len] of myself > 3
5 o0 R- K' B% G9 supdate-neighbor-total; g0 @2 v$ Y( N- S6 C; p) w$ }
;;更新邻居节点的数目,在此进行) a$ D5 @+ |6 f: E ?, Z2 a
let i 3( I3 J( D1 B5 Y- K6 e3 U
let sum-time 0, H% Q/ j0 Z/ Q! I
while[i < [trade-record-one-len] of myself]
* F: v- b0 l* ^# K" Z* A[
6 e. L6 s$ `4 wset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
' F- J- N* I( E- nset i' T' z% Q2 T0 K
( i + 1)2 C, L- X: W- _' ~; {% ^
]$ \, v3 B1 B' O" ^+ r
let j 3! E8 \+ |9 q, m6 y
let sum-money 0
" g- B2 ~$ E' B( \! C+ H0 T. P6 mwhile[j < [trade-record-one-len] of myself]
" D, ?" K- @6 D[. z% r$ J: h- |+ W
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)( {9 [% J5 k1 g' E( T+ s
set j+ a$ o$ p5 |/ Y! S5 q& f; h g
( j + 1)
|0 U) F+ p; e]
0 A4 }5 T- ?+ X: ]0 tlet k 3
+ {1 V- D/ a& c$ _( q$ zlet power 0, h2 g. l! [% e2 h
let local 0
) X: @: b) X9 J" w! `# H/ Nwhile [k <[trade-record-one-len] of myself]
' N! F T, @7 r( T* X& z[
7 v2 d& B9 V+ ^' ]$ |/ r% ~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)
* ^+ Y4 _6 N/ T5 `4 J7 k, L& p# |set k (k + 1)6 Z) E! M) _+ t: K( k+ O
]
5 Z2 H' S. @* q0 Yset [local-reputation] of myself (local)
/ w* L4 o7 _4 d8 }' a( nend
: u K" J, v y- }$ t3 P
: T; `, [2 N' ]to update-neighbor-total
7 s4 F6 e$ t' I! E. y. ^, D$ B+ \1 t
* L! g& V7 c# ^* R; N6 vif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]$ K2 r# o, |1 O+ l1 u+ u/ M
' F/ y8 J" T" v7 h- n8 Y& o, [% `( ~; S. N5 b2 Z$ G, U* x+ b
end
- ~% S3 ^/ w9 F4 \0 G, p
7 F8 C1 G; B q3 a) A+ I0 B7 {to update-credibility-ijl
" K5 z4 Z. x( f% x9 [6 y( V; N k" P9 k; 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。
" O( I3 ^0 Q4 E+ G6 ]let l 0) v, N* Y9 m _% B
while[ l < people ]1 s% p, p. _2 W9 N7 `. `! i) 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
6 V' s2 f% W: ~5 \( S0 [6 r[
# D6 h8 T, h) Ylet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
2 W& l3 z; h8 u( V, d" Gif (trade-record-one-j-l-len > 3)
$ A7 o4 T& V2 I2 u( D[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-one8 T `3 n6 R: Z3 q$ Q
let i 3
0 O5 o& Q4 `+ N( Blet sum-time 00 I; [2 B3 w" Z* ~
while[i < trade-record-one-len]
A4 O/ A/ `" C; s _, L[
: Y8 M! W+ r2 j$ I' ]: A7 o8 ]4 Tset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )0 b6 w% ]* }( f
set i
" M2 L9 x; F' g g( i + 1)# Z( L6 W& O7 N+ T: [
]
. }( b) I6 R$ w s& S: [let credibility-i-j-l 08 W/ K: F) B" ` C& ~8 X' E
;;i评价(j对jl的评价); u. _# b. c* h7 }
let j 3
/ @0 [$ S) x. M5 glet k 40 H3 p6 e9 I9 {9 B/ S
while[j < trade-record-one-len]
" a6 b( q$ a4 ^' @6 W[
0 ?0 q0 H/ J5 Q) @, }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
$ u. s( g# q- E3 w3 N- |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)* O+ v: S8 f' }' k
set j
3 z# \3 h0 `4 P( j + 1)
) D9 K- U3 U( r2 h# ~8 Z]
& E2 s" ^$ L: l' b, Nset [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 ))
6 Z' N( c9 |$ A+ U Z& j/ N1 _, @' A9 W0 A0 \" W$ `6 z8 X
2 [# v' E3 A$ I$ T& b5 R; i2 ?let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))4 E5 d9 A6 a0 K" a8 t. u
;;及时更新i对l的评价质量的评价
: W( J0 _8 |" r. c R1 \set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]0 b! T' E! A) y T( v
set l (l + 1)7 R t C: r9 d8 E; B! _0 \
]* d" f) i6 _9 ^, |3 S) b0 y; M
end. ~% z- w2 ~- r* b8 f( c/ `0 g
& O. J/ ], N8 r/ W% r$ mto update-credibility-list3 \0 Q' M4 ^6 i7 k& m
let i 07 b1 c0 A$ T! s6 L; c
while[i < people]+ O/ A7 X6 o7 b
[
# m: w. ]3 d9 G" Llet j 0
# w E5 G# l6 K9 ~, t( h ~7 g& M2 ?7 q' olet note 0) _. s- p7 q& w
let k 06 U) a/ z% j8 ?7 T( i, F& h: ~
;;计作出过评价的邻居节点的数目
3 c: b! F4 i. j# Q( owhile[j < people]
S5 q* y" H9 P2 B& ~[
% U+ l4 X+ u- S8 V/ H% ?if (item j( [credibility] of turtle (i + 1)) != -1)
: G7 \$ Q* ^& N8 s4 @ z;;判断是否给本turtle的评价质量做出过评价的节点( t* C2 {& r' i8 p$ N8 V8 ^
[set note (note + item j ([credibility]of turtle (i + 1)))' w n5 I7 M% {7 \+ |
;;*(exp (-(people - 2)))/(people - 2))]
4 ]; G% |* c8 H4 u# r( e' Bset k (k + 1)
+ o' C8 t* n {4 e/ A9 h]
0 ~2 m S# y* F" t0 Q- c1 z+ {+ ]set j (j + 1)
- h# V4 Y0 ]% ?: V; P* ?: _]
7 g6 I/ P# ]3 I$ jset note (note *(exp (- (1 / k)))/ k)
g/ o7 {' E4 s, ?set credibility-list (replace-item i credibility-list note)8 t4 A. h( p5 [
set i (i + 1)
8 o% z5 T- @6 {]* o* B8 ]% `; F/ U( n$ ?
end, `7 f- Z+ i! c; i) w' n5 V
5 e+ n) ?2 {2 h! Y* U4 R5 U! D* d
to update-global-reputation-list
7 M. I0 L; N7 C# r" Hlet j 0
" q; R# a7 d" u- iwhile[j < people]
8 R7 e2 w1 g9 b5 z- D[
" t. Q9 F% I7 _5 U. b8 x8 zlet new 0
+ c! T' T0 @4 G" r9 f8 u* x2 B;;暂存新的一个全局声誉
4 ?+ ^6 H2 F9 blet i 0
. g% i$ q" B, g# alet sum-money 0 `/ d+ E6 C5 v" H& U
let credibility-money 0+ b- K2 t! h# x) X) f$ s1 I
while [i < people]0 f8 q# U& V% v3 I( z/ H
[
( Y& T$ y* s; g, iset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))). S- x1 k* Z; d+ r5 I$ {5 Z' ]
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
; t7 @5 ?/ t1 {$ Z1 T' jset i (i + 1)
- b; w9 F3 m! @+ F, z2 g]
, u, Z8 g8 {9 M/ h% Q7 jlet k 0& A( k/ S Z& z3 h# I
let new1 08 v2 I s9 I- k$ e3 V. n
while [k < people]
9 M$ Q% K a- F) Z. N* w- C[
( U1 Q9 c9 U/ Y3 [$ Aset 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)
! m' b) c1 V4 \! \5 H/ mset k (k + 1)
( K3 ~! _3 u! H1 T]: ?3 m h! a# e" D
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
% E7 r4 s' ?2 k% eset global-reputation-list (replace-item j global-reputation-list new)
6 _/ n# @+ C' F" |8 kset j (j + 1)1 v( [4 f3 k" n5 \
]1 D2 k# N5 Y f& S/ Y" X) [ v5 J
end
) U" O- n4 R2 `5 D/ o' e" V1 k: d/ ?
' H5 C# x; a+ o7 y! y
, C$ @1 H$ d8 o& T( a Ito get-color8 d) X q3 @, A+ y1 p7 V
, l' @3 [: z) b/ W x
set color blue+ _. b" R3 j6 \6 e/ |0 u; s! ~
end7 G* ?& d& n$ O. ^
: E; P0 a) ?3 B% y! ~; i0 fto poll-class
6 L* h. ?4 X- d1 \. w, Uend$ f, n% k g a% s/ {
' _0 U' s- k! n( F0 r1 `) Oto setup-plot11 u9 z4 V9 z/ l
9 D! E9 h9 E6 E% u# W5 L
set-current-plot "Trends-of-Local-reputation"
$ F1 |# c! F1 m0 J3 a$ u
8 N n+ q5 z! j) v; [8 K# ~4 kset-plot-x-range 0 xmax/ R% s/ v; m2 w. `0 ]- i) z: \& S1 A! K
( o- i; w& u( R2 S
set-plot-y-range 0.0 ymax
$ ~9 s+ ]0 q* j+ u6 ]! Y4 j( Bend& \1 `; v3 e, U! _& B1 _
6 k# K, o. H8 `) W j& s
to setup-plot2
6 F+ n; Z9 A+ E$ C, C1 {" ]' g
/ c3 i# f2 V1 ^8 B( iset-current-plot "Trends-of-global-reputation"
) @8 a/ k4 Q* z% d1 G! ]( R, ?4 |' A: S. w- F
set-plot-x-range 0 xmax& m. b% S- Y- A" v9 M5 j
$ E% d0 |7 P2 f9 h% x F% [. \: Wset-plot-y-range 0.0 ymax, g' L8 B: F+ H# \$ E3 |7 w
end
0 E r3 a2 K: F( q |, I7 d% u; ?
1 q% A( ]% `9 F6 k$ q9 }3 `$ Eto setup-plot32 Y+ o l# o) B' V( b
, m# y% v# W9 Q0 A" Q
set-current-plot "Trends-of-credibility"+ ]6 B+ a, _) W% r" u* R% \. D
0 | l' ^( S# b5 O5 s8 fset-plot-x-range 0 xmax0 n3 S2 X( g0 O% r; U
- X0 ]$ k# ?1 h, p: E
set-plot-y-range 0.0 ymax
# ^. `0 A3 H) ?* J- B6 v7 r8 ]end
, R. P$ b6 r& z2 q! a% ?" J0 }% M" w! e: l4 L8 A& {3 L
to do-plots: A" V+ F( r9 H* s; Y- r
set-current-plot "Trends-of-Local-reputation"$ [& R: x! V/ g
set-current-plot-pen "Honest service"
# M' u" i; m' n+ d" Pend) M& W. `6 q/ E7 x; i
2 m# V: @/ G% n8 B! X: @
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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