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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$ w6 [, ?0 P4 @3 E/ e6 _' V
globals[; B d) D' g: {: _/ q. a$ _& O
xmax0 v7 e' G" P! j c5 P3 y
ymax
4 l0 B5 D& O8 H* N/ b0 S$ tglobal-reputation-list! O4 c) o; J! K! s; C
3 z( U- }. T! I2 A
;;每一个turtle的全局声誉都存在此LIST中# x( s, ]1 x6 G; ~9 P
credibility-list
' N' s6 K. O, ^( Q4 C/ B;;每一个turtle的评价可信度
' K. M& m( b; I: m& lhonest-service
" z9 K+ u1 g; m6 S/ _unhonest-service
9 n' B' [8 ~; s+ P+ C+ \/ n7 Toscillation
6 C# C. h% A3 n* P1 W' Zrand-dynamic
. b3 k; \* } B' O) q/ E]" u* v+ I" |1 S% y
$ U' E* B+ P. b( a; f" @" Vturtles-own[
9 ^& \9 y; \& strade-record-all. H5 z0 T% `, i
;;a list of lists,由trade-record-one组成 A. ?+ j; ? U$ y' s. B
trade-record-one R& {3 i" W- d; x- [) V- p
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
/ S5 [& f5 x; s4 {- m: z3 W4 n7 B- a# C, o
;;[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]]# P& G# X) N+ J( L2 W7 n% A* e& m
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]
3 [! l2 v' V9 B# E7 C5 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
, }; O/ m0 U9 f0 t( P, h2 D( @1 kneighbor-total
3 B: \! s+ U2 O2 v4 q4 \: a;;记录该turtle的邻居节点的数目
5 w: i% [3 J. P N, y* Etrade-time+ O5 f8 x0 `7 a+ Q0 r
;;当前发生交易的turtle的交易时间) Z0 F3 J4 X* E4 r2 l, B. i. q2 c
appraise-give! O @1 s+ l+ c' M6 i# S$ u1 x7 L
;;当前发生交易时给出的评价! _1 D6 t: r; n# g7 u C% J
appraise-receive
" j% Q0 I, n7 \;;当前发生交易时收到的评价7 C0 v0 n0 @8 i1 D% p3 x; n
appraise-time
& u* ]9 y2 w u3 H7 g- K;;当前发生交易时的评价时间
/ Q6 f& P: ]0 J4 ]& alocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
! |3 a5 _. J1 Y7 rtrade-times-total; u9 i) f8 U4 y$ W0 e% R
;;与当前turtle的交易总次数& ~- d- W# W4 |; a0 J3 U3 A
trade-money-total) ?) F0 d+ X. I8 G; s8 i
;;与当前turtle的交易总金额. s+ P, `" W% X$ ?' [: m0 d
local-reputation5 ~2 @9 e# p3 t7 H) W
global-reputation
6 c6 v2 L8 U3 F5 o# O6 rcredibility3 P# r" }1 o' f8 B
;;评价可信度,每次交易后都需要更新
( ~' w: u1 p/ F& xcredibility-all3 @' r7 i2 r, e3 I6 K1 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, i. y& v$ {6 H. |: D0 [; m9 r
# g1 G1 s" W* l0 y" L5 H4 k9 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0.5
$ M q% l5 C, Y+ j5 `credibility-one" K/ I; u; s A( f" ^
;;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( Z0 k$ ?- z' n4 U
global-proportion
8 F( ]% _' Y: b B6 F; _customer. V) I0 e4 F; b) d7 l; E' D
customer-no `' w6 X2 ~- i+ j1 R
trust-ok
! x' ~1 \" _2 ctrade-record-one-len;;trade-record-one的长度
) Q& O0 o a! s# p6 t1 S" g; S; Z. S. R]
: S9 S0 u+ h% j. U: k6 |* d, x% f& N9 Z8 g* W d4 d- P
;;setup procedure6 h% {: k ^1 ~
; s0 i7 b) c, v- l' d" n5 A; ]
to setup5 V& ?: X* ~6 m2 r* s3 V! r7 |
6 f. B1 Y$ P" E1 g: ?0 G$ v4 ~% h/ _. r
ca2 \3 Y! n/ @9 F
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initialize-settings
1 c6 z; M! X8 x+ ^7 O0 z, I. D" v# N. O( v+ |1 w2 k
crt people [setup-turtles]
: ~# ?' Z$ o1 N# C& T
3 c0 ^- L9 h! J' @/ u8 [* Preset-timer
& G/ m u7 M3 \; X# S4 }
$ E' p0 b" \- ]1 I5 b$ Y: hpoll-class
* O o) ]! ?! U/ c# J) `, l$ C/ G
$ H. B6 ]! b" n9 @ `3 Asetup-plots
% S; S0 v+ `8 P$ k8 r
# G4 `" h( W1 h8 b' W0 Fdo-plots; W" @% o) S" N$ c
end, D4 k; _6 J2 O* g5 h) t/ Z2 h7 m
: v4 C$ t: b; A0 }' [% [to initialize-settings, x6 G. V; [$ i8 H: d
& _0 j; O, e" f2 Uset global-reputation-list []
! g% T6 L& x& U- h; n. `- Q
/ [+ N! I, k, j/ a5 I' Pset credibility-list n-values people [0.5]
8 d7 W# Z9 w. {, _( b- q. x% Z4 K+ T$ u. L s8 E2 d% f
set honest-service 03 G5 T; a( d! |6 C5 f6 F; I
% k \( {3 C1 R. r$ O
set unhonest-service 0- j: @2 t4 M$ G1 E, B b/ y
$ K1 n! X9 g. l
set oscillation 0
, s% s1 s5 y0 ?' W8 D. U/ g: u, O- o- O' ~3 |/ o
set rand-dynamic 0' b% z, V l& |7 L k$ d
end
3 }% @( o$ s5 q7 n' ^) i8 j* H+ ]
8 v7 [9 h9 R$ |5 uto setup-turtles
5 o6 Y2 b! {$ a* Lset shape "person"
; y) S4 I1 G S" c# esetxy random-xcor random-ycor
9 M- K% p3 e7 q* Z' w$ Sset trade-record-one []5 I# V8 q$ j' A; i$ a, Q: u
* ]4 E$ m5 u4 _+ Cset trade-record-all n-values people [(list (? + 1) 0 0)]
8 [" g$ j" N1 f1 n# T2 S1 B
8 H8 g+ l- S0 ~4 A6 q' p/ I" tset trade-record-current []
# \/ n) y$ F D2 z, E- t4 b$ zset credibility-receive []( r1 l) M! G, Q
set local-reputation 0.5
. s7 ?% U. n8 i' x3 Hset neighbor-total 0# Z& t1 }5 B( u# ~+ F# e
set trade-times-total 0. z# u6 P9 K9 l" E0 ? r3 {
set trade-money-total 0
& K, E+ C3 j6 ^& @0 o) kset customer nobody
! k1 G- b B2 |6 x* Zset credibility-all n-values people [creat-credibility]
g: f! W; D% d$ N9 Oset credibility n-values people [-1]5 b5 I) d9 o3 j2 E& {2 F& `# t
get-color
( m5 M) u. l2 D7 s& W+ }
/ y* z$ l( M |3 f Wend
0 ~ p9 X N: a, l3 m3 y, C1 C, I" j" n4 S
to-report creat-credibility p3 a- q- t7 o- P0 B
report n-values people [0.5]/ i0 t2 F4 H: G( c8 h
end" e7 L" i' @9 r+ X+ R% f6 _ b; _3 v
$ C2 N U7 K" Y8 N e3 X% T0 j3 ^1 zto setup-plots3 w# x; L7 `* J: B! N( N
( _$ v/ [$ I, `
set xmax 30" u: H$ p3 x* @7 ^& o) f
1 t& z' ^5 g4 S) P' Gset ymax 1.0
3 H B" T2 \* g g0 x; c5 m. A9 r4 ^( [3 j/ p9 N: I
clear-all-plots% g' V: b- k( J
& c$ `1 \+ x1 N2 L$ Z, p
setup-plot18 F% A$ x9 H) a1 Q0 f% c! g
4 L- G5 l4 Z; i! O$ P- ^8 T- Hsetup-plot2
; K) ]; C% J B4 x; g! B# K, K0 R$ X& S! o, m8 L5 g
setup-plot3
3 W7 e u$ G8 k0 a. Xend- ]& T. u* m j
( H2 t4 X' }9 l2 ]" j, J
;;run time procedures6 i" o1 {/ a; s) V# d
8 }. A# y* m# e, f0 _
to go
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, o* u) S0 A9 ~7 C2 y" Z* _& u- fask turtles [do-business]9 x" z% C/ c0 \' V" _
end
( h6 ?9 Z. @% ?: l8 Q V, w
2 C$ J4 F1 j0 ]to do-business 7 M" ^3 U; K( N, V8 s' x; u
! ^6 W1 f/ Y f7 |1 \) _
$ ?- ~: Y, ]. T1 P9 ^5 Srt random 360
) E! x( w/ E" I6 O4 i6 n
& E6 e+ _0 ^1 \9 Y3 x/ b% Mfd 1* g1 o! W" c: g! e) t0 j
( b: g# F/ S9 A, r
ifelse(other turtles-here != nobody)[
1 Q! s1 D$ h* n" l6 Z" P% B0 _9 a& M% e+ M
set customer one-of other turtles-here x7 g/ a0 Q, D- i: ~, J! e2 z
+ Z) v! z; a; b! n1 x2 } w$ E2 a, Z;; set [customer] of customer myself# S2 {) b/ `+ l+ {* d+ b
6 F% [# s2 x( t: Y% U& c, ^8 Xset [trade-record-one] of self item (([who] of customer) - 1)# f$ G- N1 z% _' @! z# s
[trade-record-all]of self7 Z5 D5 N: Z; b" N; F" I$ O6 @
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self3 \" s: D% F/ [1 W7 u. z1 L
: s/ M7 t0 Q+ o! \
set [trade-record-one] of customer item (([who] of self) - 1)
6 y# b" M' a4 z[trade-record-all]of customer
8 P3 X2 ~. A, F
0 k$ R% A( ~) T( B+ r* p* Qset [trade-record-one-len] of self length [trade-record-one] of self
- T W8 L6 m8 |. @7 E
! q' w; U0 M7 O& Hset trade-record-current( list (timer) (random money-upper-limit))9 |4 Z$ K2 c# Z* M
( \+ A3 T1 o) Z; F; ]/ V& P5 O& C
ask self [do-trust]
" `( Q1 S, G8 \( }( v;;先求i对j的信任度
! {) u h- B, Z& A8 ?+ R/ e3 |
& P! [# U; o. ^/ I& a0 c4 hif ([trust-ok] of self)
4 G5 Q) P0 o( S y D;;根据i对j的信任度来决定是否与j进行交易[. P$ d8 {( s7 `: w8 `8 S2 e. L7 c) _
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
, h% @4 _2 F q0 {3 F; h1 X
2 @1 j* h# M* j9 `" R[- [3 J7 t# M% b: Z. ^- t: w; l
' o6 m5 L/ e2 ]0 l3 ^0 Jdo-trade
' B1 Y6 P3 }5 \8 x$ o& J7 p+ b! x. o7 }, \; K/ a K# \
update-credibility-ijl# o9 t+ O4 y2 y D; }
) C6 G( J% b3 aupdate-credibility-list
: s1 S! \$ t* N0 x8 p n; [9 [
3 q" c2 p7 y, n2 F! }# M$ b
3 x% g3 s# ~! [" |, \% t3 C' ?9 Oupdate-global-reputation-list
4 u; p- _" A/ d1 U, J! b2 g9 X- f
( x: v$ \; u7 G0 l2 wpoll-class
0 K U5 ]/ Q* a) t R, ?1 f
! [2 F& D9 W. l# |; f$ E$ t) o7 {get-color
5 m, _; c) ?& f6 }% B; `5 p! i. E0 w9 c
]]
2 @: _9 Q4 P2 e7 ?$ q
. e4 x- s; `, H9 D/ ^: o O* C;;如果所得的信任度满足条件,则进行交易3 `, R0 V/ f3 v9 V( B: t
+ M9 B" H" o0 W1 K: N7 v$ E
[
( b6 t6 B+ Z, \* W. f/ [" g# m `. a
rt random 360# q( x# [# X7 J$ r9 K1 A1 V
* d) T6 j8 M7 x; _
fd 1- c6 P6 g/ _% n
8 Y: \( p5 K' s7 v3 J
]$ z, g" S' k x7 Z3 [4 J
+ O' P) k6 x) T. I7 i0 C5 H6 Bend0 c+ F. H- V# N$ g1 T: c
+ Q( W) |- p3 p( ito do-trust
( y( l3 m# R9 k) dset trust-ok False
1 a% p9 j* d! }* u3 v5 i4 D( N8 f, C$ Q9 J
; \4 E- A" c2 h( W/ Z7 o
let max-trade-times 0
2 |' P- ]! C7 Z: X$ gforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]% k% ?- Q2 ~/ I5 s7 _2 ^" H2 I+ L
let max-trade-money 03 S! k8 l* ~7 S6 E, l
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
; ]9 }, l3 P: o; q/ g0 Y9 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))5 x+ Z) V! r" ^
2 W$ C$ [; ]1 | q$ x. P
) c" e0 L, `7 E8 jget-global-proportion
2 r7 \# R* Q: e- E; klet trust-value
' z& I6 x7 g6 L) i% y ?0 {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)
, {, j p8 K! z( l& N0 |if(trust-value > trade-trust-value)
4 h3 U G- [6 f& l, A[set trust-ok true]
% ^0 t4 S) H* z/ ~* Jend
* A, [7 L8 z0 t. l7 i3 Y/ S- g4 ~- w' W8 }
to get-global-proportion
3 n5 w7 e7 E) p: t. ?1 o- Jifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
. G9 {% K% P/ G2 j% `[set global-proportion 0]( }. {9 l* b$ M* Y+ m3 k* E
[let i 0
; V; A' T% E# D4 B8 ?; q' olet sum-money 0" q7 C4 _. A" f! p$ ]# G7 k
while[ i < people]$ @, M* X) s9 S1 N& ~5 S
[0 F x( V/ y2 h: }% |0 u
if( length (item i
, A! d2 @) n }" }: F[trade-record-all] of customer) > 3 )
3 r- t H5 a! S; Y6 a& } @[6 _" ?/ j; Q- C1 s' y" Z" r
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)) K6 t. `' `6 B1 V1 Q8 A, b$ \' N
]7 C J. N ]1 d9 `. n$ U
]
! e) W" T- d3 {$ r* klet j 0/ H9 P+ h; }2 r" {: B: L
let note 0
& p; {. C; T9 H+ r# [5 Fwhile[ j < people]4 F# i! @6 a" p3 h4 M; ]
[; N9 e6 r! e- X; V C' r
if( length (item i+ e5 |" [8 N2 p, L) [6 r! r
[trade-record-all] of customer) > 3 ), V4 E/ O5 J1 X" ^3 N8 v
[
5 q, x% B7 V% e7 E! e, [ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
1 R0 ]. h( j ][set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
; G7 n: I. L2 F0 m) B- C7 ?) V[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
. o1 x5 G& G) S& m]
7 m( W- f2 Y2 d4 ^+ Y]9 K- ?% \4 g' V x
set global-proportion note" ]7 b- g# e3 }& H/ [$ g/ M! V9 x
]& U* Y+ b( U7 E# ^5 u3 }3 R
end0 T/ {8 n, I# k0 @7 {
4 }" r/ e- ~8 ^to do-trade
8 c& w0 n& L" E( d% p* E% h9 p8 E' x;;这个过程实际上是给双方作出评价的过程
" m4 o, ^. A3 O6 oset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
8 ]+ W; [/ K7 n2 M' b* Qset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
2 J0 `5 p( t* @9 n" u' c( u/ vset trade-record-current lput(timer) trade-record-current+ ~4 N3 ?0 m" j8 z, X I) B/ a+ P
;;评价时间
. K; Q) O- U& s) M$ p& t1 F% wask myself [
# P8 R8 K; v; [, Q6 l: Aupdate-local-reputation
5 \1 j+ {" b4 p# O6 j$ gset trade-record-current lput([local-reputation] of myself) trade-record-current! n* [5 e2 S9 x6 s* E2 `, N% q
]& j( S0 f( b* O+ a* P4 \) g# }
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
) S7 \$ o1 R. u;;将此次交易的记录加入到trade-record-one中
, d. l. x: h8 s% Y4 t4 v0 oset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
* K1 G6 u! a) z. j. Blet note (item 2 trade-record-current )- P( E7 [: L' Q3 N
set trade-record-current0 m( l5 q; g6 {9 n
(replace-item 2 trade-record-current (item 3 trade-record-current))
# F. b- H5 Z w8 m/ }, I/ Rset trade-record-current/ t% z6 `2 J3 Y. u& ? q4 t
(replace-item 3 trade-record-current note)7 Y5 {+ Q& a/ f0 J1 R
" l U! n) X1 ~, g; K4 K' `
0 i% g. L$ E' ~( N8 {* r6 G$ t2 Hask customer [
$ R$ R7 v5 r, j5 l1 x5 J: Mupdate-local-reputation
5 ^: b( Z' m0 ]8 jset trade-record-current4 p) b8 {1 V6 I3 @" |7 J
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) / ]6 Z6 z0 ^0 R4 J6 p4 N
]* E2 l9 E8 j, O
4 Q0 D6 s T9 l& g* l8 _( A
2 C/ a; g/ h3 G8 Xset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
% p& l3 C/ e. P: U% N/ y4 H$ e2 l4 y J$ a- l
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)); m0 h- L0 S6 d" f
;;将此次交易的记录加入到customer的trade-record-all中
" D' `2 E% s; `5 H; ~end
8 D! @: p1 P7 j( r1 _3 K0 N$ }7 J2 \
to update-local-reputation
( p: l8 m; _/ }1 q0 {3 [+ n- l7 L Qset [trade-record-one-len] of myself length [trade-record-one] of myself
: L3 f; m' Y( \7 O) H
: o; W0 @. M( y3 O3 u; q: b% y/ x) G, B/ Y9 m6 u% a: Z" |/ h
;;if [trade-record-one-len] of myself > 3 7 `- J" y* z/ N9 o, @1 Q
update-neighbor-total
' i$ V" c, u( g" e9 A- h;;更新邻居节点的数目,在此进行1 @& G4 y3 E# P1 N1 v# g
let i 3
8 \0 j; O0 {" E+ V' W% n. l0 q" T+ i+ y7 P3 ylet sum-time 0' U4 @" L1 i' m' h! L+ l
while[i < [trade-record-one-len] of myself]
' f' K' o D9 P, z+ p4 H% J[ r1 u1 J2 [& p3 p+ x2 j' e3 ^- j
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ): z$ R/ l N6 s6 K$ f3 v! N! N
set i1 o2 J1 Q6 F: s* U5 z6 \
( i + 1)
2 W, \4 Y4 E$ K/ D]! {' X- v) y# w, N: o, _) j2 s
let j 3# j- l+ b) K/ |# P4 Z
let sum-money 0
( T' l: w' Z; V& U6 \) _while[j < [trade-record-one-len] of myself]
I' `4 \6 A% l+ m[
- ~3 P9 G; Y/ D% G7 K; s/ q0 ]. e, ]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)3 H4 R0 n+ h c( _0 r
set j6 m6 e9 u9 X# d
( j + 1)
: J, d& E" P' q A]: T9 ]8 R x4 ?0 `
let k 3
+ G" H$ y! i. b4 {; tlet power 03 ?+ |# x4 h2 M% f
let local 0+ p5 @' E; c% u' a
while [k <[trade-record-one-len] of myself]
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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) 4 H- `0 b# m' G/ P
set k (k + 1)
* s; Q! n2 u; `]( I S9 u S' [' b2 V8 M- V' b
set [local-reputation] of myself (local)+ K0 }! W {! C
end9 g7 d- l! m9 N7 t, |7 f: ^9 K% p9 B
6 _- ~9 b0 `/ ~: v
to update-neighbor-total' ? J- p! s$ T' ^/ c: @
5 \7 T/ b: P9 j s5 ^if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]* y3 C0 h0 o- O& X7 i
) @6 ?7 \' `# q
. S' K% ~1 ]' u* Aend$ Z5 u+ q) S/ ~) l8 u& s- D
+ L( t& x0 I+ ?/ S0 x, ^9 \" D) P
to update-credibility-ijl - @& G- Y$ j }
$ L. z% p, P7 F( O- z8 j;;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。1 w7 f. H& a6 o, L
let l 08 ^- a+ Y" M. s2 E8 @: T
while[ l < people ]
4 }) h( z: k2 Y; j. 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8 d7 t) n% T) j
[, L( ^8 k7 F$ ?
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)- C+ n+ }- d1 a# n+ `0 L
if (trade-record-one-j-l-len > 3)
7 g! w/ l, O- ?; b0 h[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 T" p1 T3 F* O1 m {let i 3. y- n' ^: ?, L7 }# W$ y. C& Z
let sum-time 08 j' a9 k9 E9 s
while[i < trade-record-one-len]
1 ?8 C0 ~; Y: L, R1 J& k[0 h! l. C# o4 }; `
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
, J$ ` i( f& q" Q, [. x, xset i# G, c$ F6 j7 m
( i + 1)
! e- }# o- \# m2 p" C. {. W]) |3 q% h, D& v! ]0 i: H ^
let credibility-i-j-l 0
4 e2 I; G2 m: W4 ?6 C! J6 W1 l;;i评价(j对jl的评价)# \5 o' b9 O$ H, o
let j 3: M( a4 c7 a$ ?; h
let k 4
) E; _* Z1 |5 h* ?6 H7 Q4 s8 xwhile[j < trade-record-one-len]
2 X3 `7 R& Z3 q5 U$ J* j[6 @" B$ j5 G0 w) n
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; K- p- V# Q6 {- u6 B2 Q9 {# [( Q# C+ X
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)- P* C/ }# q% f. M+ Y8 N
set j; S. ~( y" q5 E
( j + 1)
* A* ]7 ]; G% V4 e8 O]
+ L( T0 H( Q8 ^8 p& u+ D* V: S! q, hset [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 ))
: A5 I/ z! _( A, C8 ?8 j! I. }0 [) p7 z4 e2 z+ \; l
J! @- [9 b; \let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
0 l- J& i9 _# Y; m; N6 V$ v( F, {;;及时更新i对l的评价质量的评价) F7 n- f, {8 F1 f$ }, ~! n, D, B
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]* w) j! Q: y' ]
set l (l + 1)1 Q! T% ~" m+ M* M# h% v1 J
]* A7 v q+ ?, c' R
end
% G" p: E3 h% N7 F0 p' f; H2 Z0 \/ w0 g: W; L
to update-credibility-list* [# M0 f, X& \9 L
let i 0" Y2 g, `. j. X5 c& z% O/ U" l5 `
while[i < people]
; i: Z$ t! o, C3 K[
% C* ^8 }/ L: k* y1 Mlet j 0! W0 Q9 p& H. V! B2 R' T4 [5 {
let note 0" `: Y: h. M1 F7 K
let k 0% p! C* @- b7 b- ]5 k, Z% Y
;;计作出过评价的邻居节点的数目
8 V3 @' M2 S( B. c' m5 awhile[j < people]) c- J3 r) ^. E6 i* I1 @" k* q; Z
[2 @; s0 Y& f1 k" q2 r7 e
if (item j( [credibility] of turtle (i + 1)) != -1)3 ^+ G% }6 H+ |$ K4 y y
;;判断是否给本turtle的评价质量做出过评价的节点
) w# ^8 M+ H- ~0 ?+ t[set note (note + item j ([credibility]of turtle (i + 1)))& M% Z1 S% N! H& \; C) n
;;*(exp (-(people - 2)))/(people - 2))]% r0 w$ X' C n- p6 |- S/ H6 O
set k (k + 1)) d, _7 H- V6 |; Y5 W% F( e9 \
]
. C) B6 ~+ `& u) nset j (j + 1)/ [' F% g3 Q. Q0 l; B
]
; r# b. z; |, Z3 O/ o6 Tset note (note *(exp (- (1 / k)))/ k); }2 w, M* J$ A( Q, {& B
set credibility-list (replace-item i credibility-list note)' n0 G- R5 R& O- v
set i (i + 1)! w- _" m. m/ G: C
]/ I- h& z. }: f7 c
end
4 S+ B3 y, M O, Z: A9 {
4 n( ^0 r1 i3 H6 P0 j$ Rto update-global-reputation-list
0 s1 N; C7 X( h4 l9 Y2 vlet j 04 x2 v, H& i3 N8 ~$ `, s9 W: L
while[j < people]
! o. q" H/ l+ I5 u1 t* T h[
+ X# P+ p: [) |5 e$ g: ]let new 0
; P, ^# B/ c/ [;;暂存新的一个全局声誉
3 r5 h! g! D) g3 \ f9 S# Wlet i 08 i @% p# d }( o/ J) ~
let sum-money 09 D/ s+ \5 w6 p1 f& ?
let credibility-money 07 V( g# B1 u1 C+ `" S4 F
while [i < people]" S- n9 |* `8 G+ c5 v7 y
[
* y6 M9 b U5 _ e( v& P% D* r1 i0 C+ r' ~set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
+ m( q1 J6 h9 ? N' Y' oset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
& B9 \2 X, t, T( D; m, Lset i (i + 1)
- T+ t3 \+ i/ z* Y, t' h]
' e& e* m& x8 C& Ulet k 0
* Z, u: t5 h# a& olet new1 0
" f% x# D, e3 cwhile [k < people]
0 q( l3 h4 C9 h[
" Y" _ [7 ]- d) L) qset 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). z! r- ?9 H9 s) x
set k (k + 1)
* ~ ^+ n d) n) Q9 J& a]2 R6 I( o, o3 t
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
% f, Q. U9 y2 C0 S+ Nset global-reputation-list (replace-item j global-reputation-list new)
6 ]+ C3 b, z sset j (j + 1)% X' z6 b) v. _8 C
]
6 T4 b$ P4 D; E/ v8 Z& l/ W: Oend
5 I7 K9 Z# E# _/ b/ G; M- ]4 X" u8 z$ n6 ?$ F* L1 F
$ k9 x# R& M K3 i: Y. G! L z1 g
. a0 d' h7 A/ c" o& c+ @8 j7 m3 }to get-color
5 C% {# S. V. I$ Y* l, J4 [0 x# p/ m8 A' O
set color blue
/ I# E& Z; D' j" |0 m/ nend/ s$ [. W6 C) q, J
( p5 M$ W7 \4 s( m8 b2 m- L
to poll-class
' q5 J: J8 Z' N! ]3 C( rend
0 ^) y6 |- x: ~* n, Q& q) L9 H0 C4 i4 P9 P7 u
to setup-plot14 B3 L$ b0 E. K1 I
/ h+ B; m3 Y5 t; e+ Vset-current-plot "Trends-of-Local-reputation"* ^" ^6 Q4 B3 q. U7 M
i& [3 S& L/ M3 c& w9 M- \
set-plot-x-range 0 xmax
8 l+ H, o$ ^9 D9 l
( d6 w# H+ Q1 R0 l ?# l7 U( Gset-plot-y-range 0.0 ymax
9 `6 A% d- F* Z# A1 M% Zend; F! o! W: h( b+ P
! @: n( R: F3 U0 S1 i! h
to setup-plot2
9 X: p3 t# E4 ^" [! N& y& x( A# B
- s" i5 G5 {, {6 n aset-current-plot "Trends-of-global-reputation"8 s4 k" c6 @! s; ?3 ^( Y y1 r
- r2 b0 g, P( v2 j5 P) i
set-plot-x-range 0 xmax& A$ H* j7 }. B
3 a& V4 l$ g z4 X7 C. K3 I6 R
set-plot-y-range 0.0 ymax. Q2 W/ m( e* d! j. H6 V c
end
* y/ r7 H$ v Y) T3 Y. @) z% _: h9 W9 ]2 z0 a
to setup-plot3$ q( t( v' i% t* d6 D8 @# u+ R% x
" {) K$ m0 F3 H4 @- p+ v+ D, Eset-current-plot "Trends-of-credibility"2 }( |- w9 v: R2 W; W
# o" Z' ?0 Z8 M7 t
set-plot-x-range 0 xmax' W; y8 B# [! z/ T m, X; y
+ S! G% }6 ~4 L. d/ X& n( yset-plot-y-range 0.0 ymax
6 G; y* h6 _# t+ Z+ x4 ^. }end" \& C! E* m% u3 U' C' G, ?/ t2 M) D
* g& T X' Q' u, b Dto do-plots
% G0 T/ {! e, zset-current-plot "Trends-of-Local-reputation"
9 u8 k0 c; D9 K: eset-current-plot-pen "Honest service"6 r; L, J, Y ^0 X1 Z
end& v6 ]" T" W7 t) V+ U/ G2 X
1 H9 h6 v4 K9 ?) a# b& F( N' o6 ~# I[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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