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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
. j M3 k) r: i- Jglobals[
1 H7 l! ` ^4 j$ b6 exmax7 \. a+ j. H9 R, Y. F7 K
ymax% T3 {) ?- {+ h8 j5 p: T
global-reputation-list" N5 M/ s" v+ p! y1 r6 Z) ~: X& L
9 A3 }& Q8 h- z- S;;每一个turtle的全局声誉都存在此LIST中' ?6 _ Q3 L2 `
credibility-list/ H- v. b7 a, R% w
;;每一个turtle的评价可信度3 ]$ E# ~! V* m% ^& T7 t
honest-service' z% Z: H7 a! q Z/ J- w
unhonest-service' m) I: ~0 F) T1 Y E
oscillation
) C% u9 T7 f! D* srand-dynamic2 W( H8 A6 g: V2 u# S o, F
]
# O- @" M a- O& a- C
; B7 i9 S% e$ s* @+ d/ B7 Fturtles-own[5 d4 D) L' V* `5 ^' c
trade-record-all
: c Z7 q1 C7 ~ U5 u4 H;;a list of lists,由trade-record-one组成
6 {# V/ F. ?3 H I* o% z8 {trade-record-one8 c* d5 ]! q% b: d' {
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录$ \: x q- a: D' V$ v
; _' ?! `, I: h) c, I3 H7 ]0 w8 W
;;[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]]/ M% X! I' ^- g4 B1 `
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]
& I) _! a# u$ J( Q" A/ 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
+ y _: l+ j' j. yneighbor-total
: I4 l$ E( [8 w; T0 {1 ^' Q7 n; l8 @! |;;记录该turtle的邻居节点的数目
: Y; e8 U4 ^( j$ n% d; s2 K: _- mtrade-time
8 L' H. P+ M# K0 ~- O, X" q;;当前发生交易的turtle的交易时间/ a5 H5 N+ A, B$ C; D( G6 |
appraise-give
+ O5 J: J' Y$ l% N;;当前发生交易时给出的评价
( C# A% p& k0 L% Nappraise-receive! i6 \4 i1 y, G) U) g3 ?
;;当前发生交易时收到的评价" `% e) M+ f+ D; g: a2 [8 o; S7 U/ B
appraise-time2 u6 k& }# q3 s$ s9 S
;;当前发生交易时的评价时间
/ k) C6 e& Y) h$ b" D! Vlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
A2 l7 z0 r4 _! atrade-times-total
' C( g( i7 x$ t) H% T! J;;与当前turtle的交易总次数
1 D& n' h0 A' P) b1 k0 x" x, \4 {trade-money-total
- g+ J/ F7 V4 x0 s7 V;;与当前turtle的交易总金额
( W/ R0 N: m5 D+ b, Elocal-reputation6 N4 g2 m+ Y. q A& N% b7 l
global-reputation
4 p/ v; s1 ?$ `: N1 O( `/ z$ f3 Dcredibility
* h) U K: l: z/ I. D;;评价可信度,每次交易后都需要更新$ T4 x+ C: N# ^
credibility-all
- ~( y! _; k9 c;;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
( v: G' N3 C6 K8 Z! F- d. l
. q* X& _ W3 ?! l+ s$ M1 A! 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
2 {0 S6 |8 g, Y! Pcredibility-one' n8 U" ^+ q' V; N2 R
;;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 a7 p+ I, i8 M V% d: V. h
global-proportion3 i9 j. O$ H) V2 n
customer) T5 d5 {9 Y: x, I& w- V0 `
customer-no
! U. i _/ c- c% t" C6 Z2 n; R1 `trust-ok
4 ?! k) \8 U$ ]7 X1 U8 xtrade-record-one-len;;trade-record-one的长度 ~+ q$ N$ s; T! ]
]3 a* x4 E1 M" X
/ t: M% [2 i, N* Z; F4 ~
;;setup procedure0 v4 J, D7 X2 D( U
+ J8 T" H1 p- j3 J/ Z1 I) X: [" Bto setup4 }- D% Z* A7 a8 D' a; @ _
- P9 u5 D2 N7 K! E0 j- mca/ o3 W3 l& N9 d+ Z/ }9 d
7 C1 Q8 A) H; R6 h6 I! uinitialize-settings- u: @. |, E5 q, o$ J! C f
& Z" M2 S* f* G4 s
crt people [setup-turtles]
?4 @8 [, M0 x6 {) D+ ^( _. n
3 v2 ]% k! R. T. {reset-timer, X9 n; E- g6 R1 t" O! F
) @% j5 y/ \9 } o9 d5 Epoll-class
2 [* M" P* V8 p H6 |' d' ?9 g$ ` B
' ^! a. K8 g* L0 V- M1 y5 `8 Esetup-plots
- ]$ a! L! H+ `
7 n; O7 }$ E& @4 i2 Q. F5 D. Udo-plots
2 Z: P" T6 N8 N0 \% {2 M7 qend. S$ _ e( N) \* W* q- h
t7 k& p+ |0 B6 ~to initialize-settings, Z* Y# Z) ?$ T, U1 d# L
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set global-reputation-list []; l; }. D5 F, U+ D
' x" ]* A+ g3 b4 E) B+ W& D) _set credibility-list n-values people [0.5]) Y l$ R' L6 ^2 T$ x8 G
9 M6 k! N: j2 R% c3 B* j. Z
set honest-service 0
5 o* B" Z! d- U! P' o' B6 H$ n1 u2 P1 z+ f( {* l
set unhonest-service 0
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set oscillation 00 G4 l8 g: v+ w# G
$ [5 `8 A# g" Z: j5 ?4 P
set rand-dynamic 0
' G( Z' _6 e2 y( w- jend, P6 G. \: h1 e. n% F. |9 O# P+ z; D9 c
5 z5 G) {& S3 }2 ~: ]
to setup-turtles
* P6 w* E+ E& z: g8 w0 Vset shape "person" U% t) ~- [. A
setxy random-xcor random-ycor0 u0 M9 B8 }; A, f5 a# m
set trade-record-one []
' ^' K1 A7 ]' |& q5 F! n$ ?" Y$ A: {6 k( `9 ~3 D/ N
set trade-record-all n-values people [(list (? + 1) 0 0)] {9 ~1 ~' N2 E$ ]9 z; P
3 w0 J+ U6 g- W
set trade-record-current []+ n- f4 L3 b" O: f4 [8 y6 ?* t
set credibility-receive []
/ Z- v$ V$ v H+ L( B- ]1 Dset local-reputation 0.53 h0 h* g( l9 E9 B0 \8 {) \
set neighbor-total 0
' c7 x9 e6 z$ g0 s6 t) E' O# [0 Tset trade-times-total 04 [( Z" O. V( d
set trade-money-total 0
* y8 g2 R$ U1 r9 }7 H3 \6 Q1 W% vset customer nobody9 B% j1 Q' |: M% D! e: Q% s$ M
set credibility-all n-values people [creat-credibility]
# {1 i6 `( g. C' Z8 aset credibility n-values people [-1]
1 I( U4 r0 }$ j$ Aget-color
Z2 h. S9 Q1 S4 g9 _% {# J, H# g- ~1 Q2 K/ b$ I6 R. T
end+ p5 R/ \" e6 n- e& ^
2 U9 Z1 S t/ @; W) j8 D/ w. I9 t
to-report creat-credibility& |5 j9 V$ O) P+ m; i. {
report n-values people [0.5]
/ H4 k, O1 L. Z0 gend
5 R% t; K; X- U
3 R C& D V" Fto setup-plots' k' n4 ^4 U5 j8 |3 }5 h: K8 ^
' t. d9 D- I/ D. cset xmax 305 Q2 p9 \. F2 i! g9 f) c; t: F; N
& M7 G1 _- s, Aset ymax 1.0
; n, s$ ~ H1 v
3 B% `* f( o8 ^. o# xclear-all-plots/ b) U& N( P: G5 R& t- y% e! x
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setup-plot1
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c3 \# ]* }8 ~6 ysetup-plot2- z" F- @, U" L9 C1 b4 J
" i, X6 G& c" z
setup-plot3
4 F. Y+ s# R, F4 d$ c6 H nend+ O4 I0 b1 L4 B1 j! b& F
0 X" C& Z' `% \- y
;;run time procedures
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6 D% J* \( H) \) h$ C9 n2 q) p* L0 dto go
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ask turtles [do-business]
+ O1 z5 n- j' h3 X% w( vend0 D8 i, v. a# ~/ V
7 X( r0 a& z5 M9 _to do-business % n( ]0 b0 v! x ]2 \
. U4 v, _, j J! h+ [
* `$ _7 y4 P7 c6 v) U: T' `rt random 360
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fd 1
' z* O* `" y1 `- l1 d0 o }) I, D
ifelse(other turtles-here != nobody)[
) D# N2 a" ~# }0 `0 r0 m* S" [( ^+ l
set customer one-of other turtles-here
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;; set [customer] of customer myself
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6 U9 O4 j+ I* K4 A' z% ]set [trade-record-one] of self item (([who] of customer) - 1)- ?8 _8 M' p% o4 t9 a. G- F
[trade-record-all]of self
( `& V/ F' d3 l) r;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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set [trade-record-one] of customer item (([who] of self) - 1)4 r( i6 s7 J- e n
[trade-record-all]of customer* m- A, P& ^! o. `9 g3 }
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set [trade-record-one-len] of self length [trade-record-one] of self
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set trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]
4 t8 Y8 E- Y3 M, A;;先求i对j的信任度% o' }* D5 y5 V: K! z {7 a- E
% k! r: P3 b, W. b3 {; ^if ([trust-ok] of self)/ G9 p. q Q6 O: U
;;根据i对j的信任度来决定是否与j进行交易[
! M2 Q& ]% q! A: q& z% e$ [5 _ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself) {) G5 c2 H- e
2 S. F* X- s& ?% g3 S) A) f2 @[ l k5 S) w' b0 r7 J9 }, d
, ? C, p$ t. f" H' f3 y
do-trade. F8 `: }( v, K( ^# Y0 D
( U/ e9 G- T. D$ @9 W: o
update-credibility-ijl
2 s, h* b) ?/ L/ F- m! c
8 K+ x% ? z6 n0 p: \) t" Z1 r+ C3 ^update-credibility-list
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8 K, q8 Q5 i; t; S1 C/ z8 J! Mupdate-global-reputation-list
& h# d5 Y% t f2 O1 J) F' M; A) T5 @: ?. a0 C2 S$ _& o/ u2 n
poll-class
' k2 ~2 v! h3 @/ U: J0 l" \6 _" ~3 ?
get-color
% ^- @8 V6 }3 l, n+ M' s
- J% D. o. u8 u8 r]]
% S! `! P: t1 G. P
6 G( N. m+ O* W; B& X, m3 F;;如果所得的信任度满足条件,则进行交易: h4 \% z; B) Q7 H# G' Z9 [
. s+ g" Q3 v6 `( T4 ~[" x/ g5 j m4 o1 `$ A
" n6 i4 k$ v% X0 S7 C( C# Jrt random 3603 N/ c% W. V3 l$ S. i, g: B
! Y q4 {1 H' L4 u
fd 1" H2 D* O( |7 q, v
* D" B% E; z, D8 D& d. }% R]
5 ] N* ]' H2 I; ] y) ]2 p
7 o6 G4 T# }& Oend6 p! S" s j3 L1 }. K
$ c3 v/ N; Q% B( c
to do-trust
; w2 \; @. d# G$ |2 n/ R5 n5 Sset trust-ok False
6 O5 _6 B. Z4 Q! S# E( `7 \9 o' ~+ ~! Z c
5 J% N7 I2 I4 E" C* c) ]
let max-trade-times 0! y2 i3 {3 j, e7 S8 s% z9 k" A
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
( h% E1 s3 [. I9 Z+ Nlet max-trade-money 06 \1 p1 g7 a; W+ S" f) j V
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]2 N9 u2 Q1 g$ ~, u8 p' J/ w
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)). R1 n5 n4 w' c2 I7 b- P
2 j0 e3 ?/ d$ @. p U2 Y8 D- `% T2 N/ G1 l6 O
get-global-proportion
3 Y" P* n7 F h( \: z8 N- C ^let trust-value
4 _" Y8 q: j; ~1 x) R. b& Blocal-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 J2 l: r4 v: t& h) Kif(trust-value > trade-trust-value)7 ?4 R+ g% Z3 O! j0 R+ d* l
[set trust-ok true]
: R* f8 i. C3 @0 a+ jend
; { c7 [! t& M9 b
9 _, B, H1 N/ eto get-global-proportion
+ ^: T; S9 Y. V, x( s" \7 S8 _ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3) W2 k6 w8 p0 T
[set global-proportion 0]
; M5 H$ `# W* _4 C[let i 0) u8 j; T5 H* V) H& ?
let sum-money 0& X0 b2 G$ u; i; A [/ b6 n2 l
while[ i < people]$ v$ j5 W1 \; b$ Y& I) f
[9 b0 M6 v& D4 z6 x4 l, b2 s
if( length (item i0 h% Z( v0 j* I3 D, t9 R" j7 v
[trade-record-all] of customer) > 3 )
1 H. P0 D1 Q, w[
, k9 o0 Y. P2 Z3 n8 r+ F2 @( ~* sset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
+ X2 }$ Y3 a" l8 o" }]" D2 M0 e$ V+ K9 S
]
3 @% }# u) c& Q$ Qlet j 0
( I: s1 D6 c1 p: N/ V( S: P1 Ilet note 06 ]9 ^1 x) t. D2 n, j& }% o8 S
while[ j < people]/ W1 B ]1 Y4 ~% p
[
' m' ^$ s2 y5 B) P$ Oif( length (item i) P% }/ ] f3 J# N
[trade-record-all] of customer) > 3 )
* g8 q5 `3 F. s0 c6 _1 f6 l' @[$ S: a/ D1 ^5 ~8 e, D* P+ ]% @: W
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
" e$ k5 ~9 O( r1 _3 t1 D4 u[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]6 D* H; Q# _' ]- c
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
9 t6 @+ z: [3 h$ s& q9 Q* M]6 ]4 k6 T! B1 k) o2 }
]
9 G w$ O: }4 n1 B Nset global-proportion note
& Y; y3 G$ G! _) _]) a3 B$ _7 b( n$ {
end
* O; V& E. u+ q9 O
& T* r7 t9 ]) a5 v$ [" k$ Ato do-trade
6 B! [' P, m7 [- l# [5 a9 U;;这个过程实际上是给双方作出评价的过程4 y8 g$ W' I; U- p m4 S( Z( L2 S5 n$ W
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
: Y+ a* I! B3 I9 E* A- @set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
( L5 }* D+ U q# |/ E9 I% {# n% Yset trade-record-current lput(timer) trade-record-current. A# r0 U, W. y9 @8 D
;;评价时间
& V% ~+ D& y5 Q& t$ `! |ask myself [7 J& y( g. V2 y' k1 j2 u% m! F
update-local-reputation
, S: x: X' p3 b) [8 {# F: K: Gset trade-record-current lput([local-reputation] of myself) trade-record-current
: e; b ^8 }2 }! J# P# d% F]: e6 g6 B6 ^0 g1 ~' t4 {
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself; b ~2 ?& Z5 T& l& ?7 t, v
;;将此次交易的记录加入到trade-record-one中' w, j8 O1 L: l# n! d8 }: D: b
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
0 \2 Y' h* ]$ j3 O- B2 z, ]let note (item 2 trade-record-current ); ]) l- M* ]! J
set trade-record-current2 Z3 R$ K+ i l: x
(replace-item 2 trade-record-current (item 3 trade-record-current)); ]$ } _3 v4 M+ `% R& F. k
set trade-record-current7 p2 D( U# c4 \1 s# L9 |0 {% ]
(replace-item 3 trade-record-current note)
; d8 ^* N; m6 C* N- R# ]# N
# r/ Y* h3 c0 O( h% V, _( W& R- O4 j* g) i: ?" U
ask customer [
3 Z6 q0 I; `' \5 `7 V2 Aupdate-local-reputation! y4 b* F4 G1 M6 q, [/ L
set trade-record-current
7 q: j, a7 d) w( K(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
N" s/ x+ T0 s]
* |1 u }& q# i& i) g" F! K# f, a9 l1 J; p7 X$ f
- P) b) w- z @
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer7 c" I5 A4 e9 d9 p
" h8 S9 Z p: m3 D0 c6 N) h
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))+ i" F* ~+ P, J5 p4 p
;;将此次交易的记录加入到customer的trade-record-all中' x9 A8 r/ v$ Q
end0 r# h w9 a6 u5 T |8 v
. i3 ]+ y% U( Z2 c$ B' Z3 Z
to update-local-reputation# h" c% {2 O" N6 n
set [trade-record-one-len] of myself length [trade-record-one] of myself# G; J2 Z. K, ~8 c) J
# V' u$ G+ c0 p8 L/ _- l& W- x" |% N2 w# |3 h
;;if [trade-record-one-len] of myself > 3
8 S3 \- r. k2 {; v1 O3 Gupdate-neighbor-total$ {# S* N R) P3 y% v+ W0 k
;;更新邻居节点的数目,在此进行
! F* \2 {' L+ x1 l5 Z& Ylet i 3# h9 ^# s, ~- N3 [
let sum-time 0; Q& A7 q- [- v
while[i < [trade-record-one-len] of myself]
0 c2 ?; m) Z- w9 |3 G! Z[& I* S* a' c/ j, Z% o9 b
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )1 Q0 S: | S8 }: q- {8 W
set i; }/ {8 `9 w! T/ c
( i + 1)
4 }8 h) Q1 P1 q# t3 ~& y: D6 X] \5 e; d% ~' @! H- W
let j 3
9 c9 }' n& e3 qlet sum-money 08 ~, e4 S: f6 N: m# ^- n% l- u1 V4 H+ s
while[j < [trade-record-one-len] of myself]
9 t+ C/ S4 a3 f7 T9 ^[' {0 L9 r5 U# Y" W! X3 ~; i5 p) 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), [" K6 v% ?) @+ ?
set j
: e f" Q+ U- K( p7 D& O( p( j + 1) M5 S) k3 `, P8 z) I
]) z+ G9 Y7 ^1 m+ U) o
let k 3
3 h8 d* ~. a! C& g2 M4 r( Olet power 0$ ^/ B4 P3 M! d1 m7 |
let local 0" Z/ E4 S3 e& C% p5 g/ j k
while [k <[trade-record-one-len] of myself]4 Y$ {; O: O' i4 t% a
[. r% Z% E8 b' W8 x/ ]( 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)
$ O' w2 F$ a6 `0 \$ S Cset k (k + 1)! [+ C+ v" F1 K/ a
]
* q* k5 X; v! `' r* sset [local-reputation] of myself (local)
$ `2 F7 f1 t- v6 Q- ~ B" f3 v. c* jend
- a$ ]8 V: D9 b+ G/ U
6 `$ o' K. t- _: J- Qto update-neighbor-total
9 `, y* z8 ?0 J' a( Y4 b( Q' A- T0 k. a
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
: |. K2 N; |+ l4 W3 |) W9 E3 o, p+ E3 U$ E- c& Q
) g# t" G2 U. q9 B1 |3 ?end$ ^2 V/ _7 h) K
/ \' r4 e; u3 l9 ?( x+ xto update-credibility-ijl 1 K3 v0 d; I, c: r+ e0 G+ {0 `
/ z& _2 q! C* S) ~
;;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。
7 X: _0 \9 g/ C ]8 ^6 U" ulet l 0( R8 u9 u& h# J% M" y
while[ l < people ]
. m# z0 k8 q' y; N; e# y$ ~;;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
" ?& {7 g4 x N[9 _3 f" m) t: m" U- i% U
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)" n& m: T& ?9 i( @; \
if (trade-record-one-j-l-len > 3)
1 G, k/ S& \* v[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-one1 a9 Y1 b3 U! p
let i 3
" t( `" J6 |2 F$ Hlet sum-time 06 J9 c* w; N& M& r- ?/ }
while[i < trade-record-one-len]+ ?! w4 y Y& I7 y/ r
[
: s- V" ^& C4 q& Sset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )1 L- S& ~( ^9 D I
set i
' C D }/ S* f8 {4 H) t0 C/ u( i + 1)& m6 g( g$ r! H8 j
]% o/ E- Z4 \; B7 F/ v
let credibility-i-j-l 06 z, g# p2 ~ ], y
;;i评价(j对jl的评价)
; `! f) y0 O3 d3 {: l# elet j 3: W6 z: ^! R+ Q8 k2 n& K$ ]. w0 T
let k 4
q" l4 Z5 v- t( m' nwhile[j < trade-record-one-len]
5 s9 }% U$ u3 B[
' W s: H% K) ]/ w1 B0 swhile [((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
. a- [4 K9 c! t5 @( Jset 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)( U) x7 [5 g' t- h
set j- P) v, o) m+ ?! v- O/ z8 J
( j + 1)
0 K) d6 m7 n2 v$ G]+ x, \5 Y7 W4 N& a& t7 N* 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 ))
+ v. v5 H% l! O# ?$ t' N5 i C+ J
6 P# S/ B/ c& n7 E. R( P
2 u; v$ _& h0 i( \9 ?. blet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))- k- Q6 U3 R# X( p! g; [
;;及时更新i对l的评价质量的评价
* }2 E& m- K# f) @1 `set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
2 ?8 x% ]1 V6 }7 rset l (l + 1)7 A9 \+ U" _: M8 w. z
]
; S% ?& u! r9 s) [/ zend
) H% D; g5 e1 l3 Y6 x+ `: `
: Z4 K4 @9 k; M( f- Fto update-credibility-list* F! ?% A/ A! r/ j
let i 0, Z2 J+ H9 T! i5 J9 F
while[i < people]5 e% D9 `8 [; ~5 v
[
0 @7 m, r. t' P/ Rlet j 0
, @$ `) D, i/ F* t. Zlet note 0/ U% N) m5 x- q9 I4 H7 ~. @
let k 0
& k2 F @$ @0 q+ U3 Q) A;;计作出过评价的邻居节点的数目
3 U% Y/ S2 }5 {, \7 n* {4 z* Qwhile[j < people]9 o) }* u" A, x- r, s& G
[
) b4 _ k1 ~. g8 p4 X, Z9 bif (item j( [credibility] of turtle (i + 1)) != -1)
% u9 X- D& J* Q6 };;判断是否给本turtle的评价质量做出过评价的节点& D9 Y% G+ V8 {, L
[set note (note + item j ([credibility]of turtle (i + 1)))( w2 p0 j" r9 _4 ~* H' }
;;*(exp (-(people - 2)))/(people - 2))]9 {6 V' `) I1 \$ W9 Q5 K
set k (k + 1)
3 n0 e/ L' s/ t]
1 ?& Y) [, Y' q+ P" T! N1 z* r% ]set j (j + 1)
[: ]' I) l# l! H$ g4 V) p]
( F% c( a; p* n& P2 w8 jset note (note *(exp (- (1 / k)))/ k)
c' J: _, J# J# O7 ~8 {: l" Fset credibility-list (replace-item i credibility-list note)+ r& p2 R8 Q6 I. R( M
set i (i + 1)) g0 ^- Y6 W o9 w ?) z2 ^/ {
]
; ^. Y! ^1 f( B% F: C, h% \end
- ~' ?( k- w( ]+ ]8 Z% Y* ?) B) e0 o0 {
to update-global-reputation-list, n8 m# O4 D2 i8 C
let j 0. q' |) `+ |, m/ b( E1 t" N
while[j < people]
' W3 `7 c+ p$ _% W[
7 G# u9 x" ]6 G" Olet new 0
9 a5 I8 N+ _8 G;;暂存新的一个全局声誉# a2 A7 r8 E, r$ b/ K
let i 0
" ]+ h2 f; P9 _7 W% Slet sum-money 0
( w1 E' }3 S3 \let credibility-money 0( ^5 k6 v; S4 h$ W# E
while [i < people]6 F/ r# I: ?2 V$ \. e- L
[' [/ ^/ ]5 V3 f' V
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))+ F+ m' m, n& n+ L7 h; \* \
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))6 @" m7 @' _* L; v: f: I. s
set i (i + 1)
- {! g5 k: c% B]
4 y8 o0 k8 _' wlet k 04 v9 b, K, h% L( B. Q$ g, x' `( _
let new1 0
P F1 N/ a! Z0 U5 H7 {while [k < people]( }' h; X! a( ^& g" ?- z
[% i: l! g! M$ p C! X/ q
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): h$ A0 v7 B2 T* L7 d" \9 w
set k (k + 1)% {$ k6 z6 z/ n4 _+ \
]
- A t3 p1 t. R7 Qset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
/ m. B! U% a0 Z$ k! z$ y& Uset global-reputation-list (replace-item j global-reputation-list new)
* S0 D" {$ q# A" T' q6 R/ O# Aset j (j + 1)8 }$ {# y9 W) B" s
]
8 M1 D' C; w9 uend
- U4 R! f9 r3 d1 r: o r" J/ A4 g6 D2 B, U
1 a) y. E# B7 P1 I# |) T5 t
; K2 F* m0 i D2 b6 Kto get-color' N6 h# }9 e, |& G O% T6 b+ o
3 Q, R! h$ z+ V" g4 C9 m+ u3 h% m
set color blue4 o, {1 U# {& u
end
7 M U- o4 O! z3 j/ ]
; H6 z# {. {& n# c) s( \to poll-class
0 @0 Z3 z1 p5 `; b' z) Qend9 ]/ ?6 g' I) E1 E- J
& }$ s- n" ^- P. W4 _2 p0 P
to setup-plot15 \- f8 f; \3 ?1 s0 G
% s' Q( l4 d1 H% B! x; L
set-current-plot "Trends-of-Local-reputation"
: W: [% b$ I: p, C: K$ T* I: r$ A7 l+ |
set-plot-x-range 0 xmax) f: y$ B: w, A1 r8 S/ K
# \8 _1 K( Z- `( H3 M0 a+ ?; Wset-plot-y-range 0.0 ymax
- R& G. O$ v+ m' `! R/ @end O, u4 o$ ^% q! O/ T
6 H y: t+ p, }
to setup-plot2
, ^# W0 f z+ l f0 z. s& q; [/ i% s0 j9 \
set-current-plot "Trends-of-global-reputation"
) k2 u- x0 r, x1 l0 P ]; o& R% x d: y3 {/ V9 ~" ^
set-plot-x-range 0 xmax9 L, Q* n7 s) G2 y0 w- E+ H: v1 S
: L7 C W, G: O
set-plot-y-range 0.0 ymax7 g1 X* ^- l2 F9 K& F
end
7 ~, N- r; i; G7 c! L! ?. n
. w, S2 [$ F! q, @7 u8 nto setup-plot3% B+ _ C) P3 B
& y- B6 L) H7 q2 q1 ]- A8 P0 Wset-current-plot "Trends-of-credibility"% O- e+ |; v+ G8 I1 Y# y$ w0 N4 E
( K2 I" M+ B! E2 t. X
set-plot-x-range 0 xmax
8 ^ l3 u: K- }3 `) ]% L8 V; b4 f$ v! ^( F+ \
set-plot-y-range 0.0 ymax( T8 }" ~" d K+ b1 F/ @' j
end I7 {0 x/ k) J$ ?2 C
. p- S; q8 Q8 Y, g( Y4 u
to do-plots
) L8 F& z7 \8 n! K, Vset-current-plot "Trends-of-Local-reputation"" M6 n, u6 a, j/ n: R
set-current-plot-pen "Honest service"& |0 X9 H/ Z" k, k: n* }* g! ?# m
end" H( C: h5 M9 a" i4 ?) U% D3 ?
+ a0 R! x- @8 z+ J4 r
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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