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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
6 D7 v; f2 l! a2 |5 A- Dglobals[
# ~7 q. J J4 n( f2 m4 ` h% lxmax
4 |5 c4 V% H* G5 _ymax
- q; w4 @2 T% z2 gglobal-reputation-list
/ h0 H% u) G; _ e; P6 M; ^( N0 C3 w; @
;;每一个turtle的全局声誉都存在此LIST中
. R6 q6 J2 j' z9 Zcredibility-list6 O( T- _- {! v$ f
;;每一个turtle的评价可信度
" S, r6 R$ B) T* C: Khonest-service. `8 b4 B m6 q8 A
unhonest-service
X8 b' d+ P- V) p! g+ a U6 J! s& y& ioscillation
7 t" v1 v2 L4 ?7 k! t7 t- O$ }8 Jrand-dynamic
) y) M0 i+ x: [3 C& d]
3 s. T) Q4 G. X( T0 T A2 K
. O* w9 O% ^6 P' I% lturtles-own[
& O# X' C- q+ _2 ptrade-record-all
9 V" ^ m/ c1 t, K;;a list of lists,由trade-record-one组成
- V1 b. U- Q% C: X9 W& B, Ltrade-record-one
: X) s6 a4 ~3 r; a) a$ ~0 ];;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
3 I g; H& |& `6 E/ m1 E- \5 N3 M$ K- m/ l( I
;;[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]]9 e) D [" o3 C3 g6 ?0 Y
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]. ]' l, r* U5 ^6 L9 u: g
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% I5 s* ] Z! E1 s4 u% L, v
neighbor-total. I1 u/ x: w2 u* ~' E2 v
;;记录该turtle的邻居节点的数目7 `8 s% w! T% H1 Z
trade-time$ R5 {- ~- D5 B$ b) V! k
;;当前发生交易的turtle的交易时间- V1 H3 R+ w% |1 Y. J' V
appraise-give
7 E/ u% x" m# H2 \8 Z;;当前发生交易时给出的评价
6 D. T# i1 R6 {: w: K( Aappraise-receive% Z: ^' _; t+ }4 `# C0 H. f9 u5 L+ p2 d
;;当前发生交易时收到的评价
& f+ o+ N( u5 N$ v) C; H; `appraise-time
! W& G& e; w [0 u6 A;;当前发生交易时的评价时间/ C& p. o( O( I$ E7 l4 C
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
/ n$ A4 S$ `& N7 [; ptrade-times-total
& z5 f K+ }. W: a;;与当前turtle的交易总次数
\+ A J, ?! c$ utrade-money-total
: }% v1 {0 ]! j! ~& x6 \0 N;;与当前turtle的交易总金额
0 w# m- ?4 v7 e5 h& X0 h% d H4 jlocal-reputation6 _! _. K9 b2 W9 G$ X" J
global-reputation
( N4 ~6 c/ C. o. t1 _credibility/ H/ T! d3 c7 E" b; v* ?% W
;;评价可信度,每次交易后都需要更新
4 I0 V! V% `- S7 scredibility-all6 y+ a8 V+ r4 r- P( N
;;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
( S( y7 Z& R% j
, O6 Z1 y7 I2 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0.56 F5 j0 G/ I& @ j! ~
credibility-one2 K: }, D V" y P
;;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5 Z2 n$ q5 `6 q3 o- Y0 E0 w* i6 n
global-proportion
. y, M( c" e( M0 ~8 z6 f7 d2 Gcustomer
5 m& j& F9 M; x8 a# S- |customer-no
; J; y. f- X* `9 J: f) X% Mtrust-ok, v' ?- V7 Q, B$ X9 \, j# f* m
trade-record-one-len;;trade-record-one的长度) i2 a& f/ g& r) f T; i
]
4 Z, B. I( I* d [$ q# g$ _
" k; u) v; O, M* q' ~;;setup procedure
/ |0 m7 T/ E3 w% O$ V9 T! [5 c" m8 f+ y Z
to setup0 Y! \* T" I4 V2 s; S3 D7 I' e
2 |. l W( d6 h- `2 ^ca: r5 R5 B$ u' W5 Y
8 Q' c4 G2 \5 k- F
initialize-settings0 q' e# K# G/ B0 i9 P( T5 W
5 s {9 X- u3 V' y6 pcrt people [setup-turtles]
$ x" h/ l! L/ D. a% L) s% k& \4 G; u1 i( s" H2 r
reset-timer+ V' `9 z; J3 @3 f3 x }+ P% q% r
& @5 j2 z+ A' B6 i! j- j6 Zpoll-class
' K/ K" b4 T9 b5 d& [ d" [) ^% g* u4 o5 O1 Y
setup-plots- Y* U) t& B" d5 m; {7 \6 ^" E
7 R) Y7 R& b+ O2 G- ?5 M# pdo-plots( U ^/ o) M( S; p! x# y9 P
end1 O1 I3 U P7 p
4 A) [; \' F: K1 k+ eto initialize-settings
& T+ y3 k' Y' O# Y# V
2 Y/ `: ~/ O t2 V+ p8 {set global-reputation-list []+ x1 g7 Z' N* r E0 Q4 K& x
$ K+ \# |2 b/ o5 A
set credibility-list n-values people [0.5]) X1 F R a) P: l7 {
+ K; j, y/ @7 Q$ n: }2 vset honest-service 02 C5 c+ e) R* }* N- [
2 n0 a& q7 [# {# \+ j. ^( x: `, f3 K8 Fset unhonest-service 09 I9 y$ `7 v3 y6 C( K6 p
& D+ W6 \0 F5 ]* w5 }% G/ \set oscillation 0
/ }1 Q6 q& @2 |4 l7 f- k
/ x( Z4 X0 ^0 ^4 v* mset rand-dynamic 0, h/ H/ k! v& A; ]
end# R5 P. _+ ^! n
( Z, R/ w% t4 L0 m* Z& I% j: j3 Q" S: A
to setup-turtles
0 r% R1 L4 z& v, }3 ~9 Dset shape "person"
$ D" X% i0 f6 u3 Fsetxy random-xcor random-ycor
/ G' F1 J, K1 C* K) _9 Eset trade-record-one []
# H5 Y) m- e2 Z! K" O0 E4 U3 E7 C: k
set trade-record-all n-values people [(list (? + 1) 0 0)] 7 U" b+ R3 [8 Q! o% o
! ]9 {% g( Q( E7 Hset trade-record-current []
$ w1 D! D2 H$ P& Z9 D8 Mset credibility-receive []1 i6 n- I6 J" [+ J! C+ P: A6 |
set local-reputation 0.5
, z& V e! y3 a" V7 Nset neighbor-total 0
8 E: q0 [8 |1 B2 p! O2 W- fset trade-times-total 0
' ]" ~8 b W/ e H gset trade-money-total 0
. ?, M7 t7 X1 \$ ~; ?. Qset customer nobody$ e- H+ P- F! v3 W- M
set credibility-all n-values people [creat-credibility]
* Z0 S" ?( U/ g3 N, Tset credibility n-values people [-1]
4 W5 M# m4 A; g$ R9 l9 Cget-color* L2 V) n8 d( I0 S/ S |
. H- ]8 ], {3 M5 Nend% N3 Y* q. a; w8 X5 B {# y5 G9 ]9 l
) Z. \& u5 e5 U8 |+ x& g" g! X
to-report creat-credibility' a) t6 C5 u# a& y1 `0 `9 \0 x
report n-values people [0.5]
! e" `, r, S: l( q: p' p' a/ Gend6 |% u8 x' }* j* r' ~' b( z
# U5 d4 h; `: c3 ~6 g' G1 d/ f: Pto setup-plots; s8 F: |: u4 c7 N
4 v1 g0 Y5 N2 E+ Q* dset xmax 30( f( i% r4 u) M2 H4 z1 x
" t" Z& M* G; K, X$ J' {0 l
set ymax 1.0
* M: P. i* w+ d N( l* D/ g# [' W7 G+ G5 D: x
clear-all-plots% h4 }% q$ ]' x4 ]& M" c E' G
" M6 k# y+ l0 y3 Y8 u
setup-plot1
! x& b% T! y, ~8 v+ e! b$ M* R4 d6 N* e6 A& B7 c
setup-plot2/ l; P; t, K5 R, V* P
0 S* H: w+ ?/ f( V4 C" g" T
setup-plot3
- C+ Z# R2 h9 w$ t4 X! \end
8 @# b2 K3 G* W1 a% D' j/ @" `# J$ D: N0 X, _* z2 Y
;;run time procedures" z- _$ J: j$ A/ q) p6 Q
' i K0 d! k: s! f# H1 k3 T
to go
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ask turtles [do-business]# k9 h7 ^) s* E; F. \; A9 D
end
* C, Z# m3 C$ F& M" o
8 Q+ A( ~, l- j1 ^3 Eto do-business
, t, p6 {0 }/ `. I& ~5 l7 ^6 D! u( X& |5 v0 n
4 M2 Z6 O Q) G' d; }rt random 360
9 B L S! @2 m) `3 X2 R( H
% w+ v: r2 K* j1 ?* c( H2 K& |fd 1
& h5 A% ]+ S J& T. B$ G& g% H; U; K/ p C1 i' ^3 f* {( q
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here
. @3 P7 f# R U/ H. B4 {( x) z% G9 g
;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)# ~0 k! a' R P7 O7 a t l' c
[trade-record-all]of self
. N. u3 V O3 ~1 y0 x$ d9 w;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
7 q9 q" Z+ ^ o6 E4 {& P
% M# d! ]3 s1 S: s! w+ Pset [trade-record-one] of customer item (([who] of self) - 1)" H4 ?: h, u1 k, H
[trade-record-all]of customer
: H/ y ~; O) v C* E- F( P' f
8 l1 o0 V# \6 v! Gset [trade-record-one-len] of self length [trade-record-one] of self; p% I; T0 M# g. k
0 ~ |5 \; k. Y/ `; V) I4 ^set trade-record-current( list (timer) (random money-upper-limit))
1 @) G8 ]/ p7 l. t' C2 U% C- n
6 e3 x6 A: ^: Gask self [do-trust]& h- t7 }3 z. w5 ]
;;先求i对j的信任度- _0 |& D+ z: A; |+ Z: n7 c
7 Z- r+ r0 h6 m2 @! A, G
if ([trust-ok] of self)
3 X" |$ s( L* X- _! R;;根据i对j的信任度来决定是否与j进行交易[
; V: Q& q, c7 Xask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
5 n- M0 J: P ?/ `4 L
3 _) v3 m" w. I4 o[- e' t7 K& j y5 P1 h! I4 J' X
" \5 K" h+ G, Wdo-trade
6 z7 y% d3 N( ]0 S% z+ o/ U3 ^! D' f$ _) S+ m
update-credibility-ijl6 D+ |9 u% L+ u6 U
% B. c; _: ]* Tupdate-credibility-list
7 X& T+ f2 g9 m# T6 ]
+ z6 S u* X/ K2 @9 P' A' A9 j) ^; T
0 r, L( d) K8 d4 mupdate-global-reputation-list% `, T( Z9 U4 X: }. u
: [* B E- L4 opoll-class# {7 y6 e% B4 ~8 l, g, A) A0 d
+ c3 H* z7 v/ \4 D+ l& s- m
get-color
* Y4 G- r' v, y3 Q$ J: X2 x
: M! B, m# Z9 E. _; ?0 u* a9 r]]( J2 X0 c0 c1 p y6 ~& ~
5 A* n2 L O% p; S7 a# B8 C
;;如果所得的信任度满足条件,则进行交易
9 j* K. @' |; @4 p
/ a/ g0 S3 p6 k; {- x/ y[
; M+ ^& h U* Q
" b! c& {* V+ srt random 360+ T0 d2 x9 P# _6 D/ T) V
& T8 X' s2 r% _$ x
fd 1% O: e: c+ v' \8 Y2 E
' |" }# G3 i5 n3 Z9 J; }9 ?; M0 q
]
: V# ~9 z [2 C( Q. I- b* w
6 u$ ~8 i' g6 q8 N7 `5 `4 _end) H% l& r* \% e4 X; F7 n: J
* ]& m, l# Z: t1 _to do-trust
5 D: {/ e. d4 V0 P% j6 `: nset trust-ok False4 g. M* T# q: B% f
! E" q( W5 ?! a8 x7 v3 r5 s4 j5 k3 T* K: w$ Q& L* d: ~
let max-trade-times 0
9 E2 e! \/ B9 `" b5 T2 `2 h! fforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]% m2 }3 j) u9 q5 u9 ^9 E6 }
let max-trade-money 0# S- o9 b ?9 @$ P1 {3 ]
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
+ T( Q: ]' D) O, P5 v; y- S- llet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))0 X* J9 B1 ~- ]9 U' ?. M+ S. h" J
' W5 X7 T9 E6 D* ?
0 `0 P7 \* V3 v+ D I* T
get-global-proportion ~6 z1 c9 S. L5 V7 ~ M/ C$ }
let trust-value/ e* M* \7 z$ O& w
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)0 ~) T" l3 F! E8 K, C
if(trust-value > trade-trust-value)
0 C. ]( c; l. {# {7 \! C[set trust-ok true]6 Z* j- b0 l) m, ~+ c
end* A' }$ e) ~$ k/ k# ?( R; L6 A
) A3 ^7 b" A5 H
to get-global-proportion
t6 v* G. q! ~2 v, M9 k1 P! h' vifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
0 h. ]4 ^8 w3 c) H: M5 t, X5 H[set global-proportion 0]
& R i# {% n& y' J+ t[let i 0
* s O/ }+ M C- f; vlet sum-money 0. L$ h' o- z* l5 m
while[ i < people]. V, k6 t4 q% h, w. F3 |
[
9 P, a" K! y+ y& uif( length (item i' Q% ^* R7 a ?/ u* q
[trade-record-all] of customer) > 3 )8 I& _4 _1 S+ V- k8 _- _
[9 F3 W2 k" i, q- k
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
3 L, R4 ?: i. n. ?6 p* G: n7 w]
$ N- E% U4 y6 Y]# z- g* H0 z5 v$ A) T0 N
let j 0
) X& |1 o [2 H# c: V$ Nlet note 0; {0 ?! d" T$ R* F `& Q
while[ j < people]
) F" s$ w" C- h# Z2 P[
' `3 q& i7 ^+ e8 {if( length (item i: d) r2 J' H1 Z# b6 o }0 O: E
[trade-record-all] of customer) > 3 )8 p! y) k% e3 o/ R0 G+ u
[
8 P2 I! X5 n, ?" |ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
" d0 }! {$ G) G3 b t9 i" y* O1 z[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]5 u: s: t5 j8 w! ^
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
# M8 W$ M3 q) K' T]4 v# q( o1 b- u) b. `$ v
]( s$ I* S q: h% \7 w) C1 C$ @6 j
set global-proportion note8 K6 e) s6 C5 p ^ a) f5 i
]& j/ o9 a5 H- Y l: |' G
end! j) |& W' R0 d- P
8 d* h7 K' L' P* tto do-trade
) P* W# t7 h/ v;;这个过程实际上是给双方作出评价的过程
* I$ y) V7 _$ M! [& zset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
/ q. r$ u# K9 e M7 ^* qset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价. x! f' c0 w m: T% w$ s
set trade-record-current lput(timer) trade-record-current
) y; k3 @. T( a. v4 p( H& ~;;评价时间- X5 j F" F6 n7 J8 j6 B( v( @
ask myself [
0 e% i. s: q i! p6 A+ _4 n+ t. lupdate-local-reputation+ |6 }+ l! v/ t# q& }
set trade-record-current lput([local-reputation] of myself) trade-record-current- U: W2 x! ~- }0 R- {5 L
]
0 n/ g D+ w. ]set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
2 t; f7 ^# I) Q! ?7 v( a! X;;将此次交易的记录加入到trade-record-one中
% C1 J+ `8 p" f) m9 G: m7 pset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)+ R% O2 m, p6 S t8 p
let note (item 2 trade-record-current )
8 j; x: [8 f0 T% r# M; x+ Oset trade-record-current
6 \8 h" U2 F+ i4 d2 [1 i(replace-item 2 trade-record-current (item 3 trade-record-current))
, @0 w* J% Q) \; Fset trade-record-current
8 r4 R: Z) P& \(replace-item 3 trade-record-current note)
5 m$ z1 A$ H. j# y' D2 L* A# x# U4 A$ K: W [$ i
- f6 W* m" W. i# U) n" O
ask customer [ Q( @7 h. n$ s4 K$ T; `( B$ Y
update-local-reputation
. Q! ]+ H+ z4 Q* zset trade-record-current: |7 u) J: A- E1 }
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ; O* x9 k) m' M
]
1 @1 r6 K+ X3 M* V4 {. x: W% F
! A; `2 Y( @# D2 g d! ]7 E' E" d/ S
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
( k; z$ U1 {7 J/ g- D( |1 |" c
8 k1 @6 [0 |) S: [* G$ O. g8 J- `set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
' o9 a$ X' q% P& w$ ~;;将此次交易的记录加入到customer的trade-record-all中
5 f9 v0 r4 S4 |9 Pend
. s4 x8 G& L* J+ `& t0 h" v5 B# a, J# E
to update-local-reputation
! w' u* Y: R- c8 i; M6 Mset [trade-record-one-len] of myself length [trade-record-one] of myself
; j4 h2 ^$ G' X/ [/ g% r
4 [, L; V" b- q
7 R) K3 |# k5 P: s;;if [trade-record-one-len] of myself > 3 y7 d8 S3 b/ y M' i7 f' l3 C
update-neighbor-total% l1 E7 X. T' ~& \- T7 l. z
;;更新邻居节点的数目,在此进行
}2 G# D x4 n! n- ]$ y' Elet i 3
J3 x* N9 }" f) w5 \let sum-time 0
- g. s" v5 K- H2 Qwhile[i < [trade-record-one-len] of myself]
# v8 W, _4 {0 l; m! n$ K3 z[ e6 b X' \6 i& {5 }
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
6 D) W/ |, M/ i& n0 Y" Bset i
! _8 G; T! e+ C( i + 1)
( e1 R0 K9 I( H7 Q; S! g]. c$ e3 W' F9 t) g# P) x, u/ ^
let j 3
6 L4 [) b; s+ [) d( ^0 y: ^2 X( P ?let sum-money 0
: N! I/ B& _$ j fwhile[j < [trade-record-one-len] of myself]) C. F6 N8 H% ]( U3 |$ @0 _& V
[, C/ E% q' B/ N' g4 l
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)* \ {2 o' w& s' m! Y! K/ b/ F
set j# Y$ j. `+ O* S" _/ D
( j + 1)
, W2 s1 e9 `% @$ P]' D y4 L+ b0 `* B5 {: D
let k 3& A$ ]! l. `# g5 t* N2 Q
let power 0
% R4 E1 S$ P& Y2 N vlet local 0) l5 }( p. X* m% X* {
while [k <[trade-record-one-len] of myself]/ g% q: A2 ?/ W1 E4 d- _
[+ F9 P0 f6 K! B8 O, R& ] W
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) ( u: x6 ^2 L% v+ _
set k (k + 1)1 X H( [3 J, _6 }
]
h, p, }0 ^. i1 J- aset [local-reputation] of myself (local)
6 ]3 w e. l/ C+ W; u( F" {/ ^end
8 ?# I0 M% ~7 ] F
! P2 E# Q" s7 u9 yto update-neighbor-total
. R: d1 U2 |+ R/ y P% f, N( e/ ~) o* l4 Q+ N
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
5 |- @9 y) V# c' `, ^) B! Z S+ P- ~; P. V- g# S" ^; j: E
3 G% b& S6 r+ u* Nend5 D4 d0 c+ O. G2 S6 y6 o1 c
" r/ O. C$ {2 @
to update-credibility-ijl
: l$ D. n4 {0 ^: Q- H- q# a- ^
;;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。- K. A; q5 T6 R9 g, o" H
let l 0/ O! B0 w, A& M1 `6 Q$ `4 r0 v" s
while[ l < people ]4 ~ S! ?. E# F' \ Y. i
;;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
. ]" f1 _( u& R% \! O[
( P9 a$ C" r* F! s! Olet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
0 T! V H: S" [3 T! Z; D/ H+ gif (trade-record-one-j-l-len > 3)
$ R3 }/ l- Z4 [5 f9 R& }& ~; R: l[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
) X0 x1 D# p$ H( d/ {9 ^- Q5 g1 Blet i 38 I- f$ D. N( B4 y
let sum-time 0
4 B+ R* Y C% i0 w8 z6 a* v# H5 iwhile[i < trade-record-one-len]* U$ Z3 @4 c) F4 H) c1 Q
[- I. @( G" h, h9 F
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )0 j0 H) x* K4 p. H0 J4 t; \, e5 F
set i
1 O% S% r2 `$ t: ~& G( i + 1)
6 H& I/ C5 _$ `8 x$ w]1 F- o# L9 K! I
let credibility-i-j-l 0
7 E3 Y; R, ]9 J0 e Q, N;;i评价(j对jl的评价)
! m) `, ], z' |* q( y- ylet j 3
5 h' A- e% {( R+ jlet k 4
4 j# P$ @& f8 F3 _while[j < trade-record-one-len]9 v. w: Q; @/ z g
[8 S! H) m0 c" ?* s! S4 o
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
% G; W. U( s+ q3 Z8 Mset 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)* V# w% B7 Z! R4 N
set j, P+ d- `% \5 z5 j" O4 `
( j + 1)
: g+ |( r& y& }]: ]. D- R% {* P# c2 M$ h0 [( z
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 ))" F$ n- z% M8 v3 u! |# q' T
. @. g0 @4 m1 C
1 w; B: {7 K- A) M3 w" X) Wlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
5 G8 ~7 S7 k9 h, I* q;;及时更新i对l的评价质量的评价
, B9 H0 ~6 L B+ M+ Z, p# iset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
! D3 U9 ?9 q' |; \8 rset l (l + 1)
% w; O3 Y& s$ o9 _1 U]
5 {8 u/ d* F; C1 ]1 P0 m* w4 `end
P; Q/ g/ |" h2 i! v) c; [3 N Q# Y" p4 P, s( j
to update-credibility-list/ @( \9 O) |$ A O" [' V7 w
let i 0( B' F9 i9 A3 ]. n
while[i < people]( U. a& T Q7 D
[
: k7 i1 R8 k! `let j 0. W; r/ u* |! c; ~6 r* R( f
let note 0& O* ?5 e8 d4 G9 U& V+ b
let k 0
, R& n8 t K/ w5 {' ];;计作出过评价的邻居节点的数目
& z: c' x8 \1 H. @0 ?, vwhile[j < people]
/ j# E" A+ g2 [5 `[" X+ g8 e8 E! f
if (item j( [credibility] of turtle (i + 1)) != -1)5 s4 ]5 B. `) a6 U+ {8 O
;;判断是否给本turtle的评价质量做出过评价的节点( R N3 I2 K6 U2 D/ p7 R
[set note (note + item j ([credibility]of turtle (i + 1)))
. w9 M/ _ O) B" ~+ j) };;*(exp (-(people - 2)))/(people - 2))]) _$ q" t1 C, c3 Y/ `; |: S; p
set k (k + 1)
$ }) |+ O7 K* ]) o& _% r]
9 j& @' r1 s: K& a5 x& wset j (j + 1)
9 d/ y4 n4 P5 z]
$ U/ l$ Y( ~$ G0 [set note (note *(exp (- (1 / k)))/ k)
4 j! n# J, S; k9 W; R/ hset credibility-list (replace-item i credibility-list note)
* O) o' G0 ?" v( y4 ?' g Hset i (i + 1)# E6 o3 A" V; d6 K/ m
]
: n6 Q$ ?6 l0 d& rend% A2 i4 v7 B3 L& f
2 ?; s' ^( W" Z O( ^' M% wto update-global-reputation-list( L* T7 F' l; w
let j 0
( x+ b+ @6 G& m! J% Cwhile[j < people]& I" w' \. u3 x# a1 T
[/ g! X8 X Y4 | B' \% x! l! H
let new 0
# J M+ y7 B. p0 z( Q# K* ~. M;;暂存新的一个全局声誉
' Q0 r- u& h" D) clet i 0
[! _) o: ^# E3 E: `, A2 Z9 T) tlet sum-money 0
: Y, U/ _ [" d* C1 @& Ulet credibility-money 0
$ h0 Q% c0 C! l0 G- e; I s1 d% b1 twhile [i < people]
5 J. ~) \0 I5 T4 R+ [[2 F8 H7 y2 f- `* B% F5 `) m
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))* J S5 S* ~/ B& y2 k+ U# B! ?, ]! j
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
3 E1 p. v9 x1 O; H3 {2 bset i (i + 1)
6 M T7 K2 H2 E]
6 ]0 s/ V% C2 u% d( mlet k 0
- M4 a7 @! V2 P5 F* n, r! s! klet new1 0! n7 o9 _- G/ p: P6 b% K% ?
while [k < people]
/ v q7 u) h# ?: y/ @[" |3 W3 O, S$ A5 H" F
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)
- N- L5 U0 L2 `7 C+ mset k (k + 1)( F) b4 f* V% s9 A0 c }% `
]3 R4 F7 w, ]# r9 P/ F
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
2 }; G5 \" i( j9 }4 o3 {set global-reputation-list (replace-item j global-reputation-list new)
$ N ^# D8 L/ T3 Y; b E: M7 Dset j (j + 1)
) \$ |6 J6 ^1 L]
( l) n7 S% H A7 X2 Tend
, C$ i6 o! @4 V4 [3 u) m
6 m5 F" @" m/ m0 K6 n8 J. ]& G4 V4 x( D5 Q. ]
3 o4 z$ ]. H" I% t) W% U* Lto get-color
6 l- `# I4 E, }3 y% [+ W9 C* f! _# g
set color blue4 }* M$ M0 [. I
end. |. ?, v" N: X
: a5 X8 g5 M9 Q- S% r2 u
to poll-class
" u/ J8 ~) ?' s1 C# S9 Nend# o3 B/ ]" k! y9 S$ P
; U4 X9 Q: A ~( y zto setup-plot1
( f7 T2 e! z6 ?, a6 J, Z1 S
# u. m$ K/ w2 r# F8 ]0 j0 i9 O# Mset-current-plot "Trends-of-Local-reputation"$ u+ s8 y- Y. T
5 Z) s6 b' D i6 ~, ]; Z' {1 K) Pset-plot-x-range 0 xmax
' r5 w/ k5 [0 B9 h' m$ }7 `9 L6 y, O% b( ~) i1 K& ]
set-plot-y-range 0.0 ymax
8 S; O/ X8 P# k2 q8 e( cend- Z5 x4 Z& ~* f6 B
- q" ] C, k! Ito setup-plot2
% Q$ B( K; c5 f# ^5 H3 G/ a( Y0 x' H4 V+ S! U3 R
set-current-plot "Trends-of-global-reputation"8 @2 y4 L# Z2 n7 Q4 ]" U
9 Q- V- \3 \8 _4 \: z w r
set-plot-x-range 0 xmax
5 ^8 H0 ^/ ?% b0 H5 I/ i& L. m- I! p6 y" q. V7 Q
set-plot-y-range 0.0 ymax* I _& i1 ]# g& n2 W/ T& m; r5 G/ n
end* N' N3 V; s7 P% _+ G$ @0 {" H" y
1 M% q& H% v/ ]* N) ?; P
to setup-plot3+ ]8 r. V6 a1 |
3 H G/ f) b# z4 _/ t% N0 Gset-current-plot "Trends-of-credibility"
! \+ l' X! Z0 W6 B, b' E6 ` Z. @: @- z- Y0 d
set-plot-x-range 0 xmax
/ I; |; V+ n7 z
7 e% Q; X) n5 ~8 u( }! hset-plot-y-range 0.0 ymax' E g9 V! H' w. ^
end
! ?5 C0 G" n$ E8 G1 e6 d% b7 a5 W$ ^% E, Z1 D2 V$ r
to do-plots" q% u d$ O3 O0 C( A
set-current-plot "Trends-of-Local-reputation"
: A4 ^9 z9 ^, v+ H# {' _, R0 aset-current-plot-pen "Honest service"
) s! R2 Q8 c5 Tend
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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