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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
* f& v# O, A! n, H/ Sglobals[
" x) h- Q& T1 l) @. o% wxmax/ H/ |4 {# E o2 ^- z1 k
ymax
# p6 O5 K6 v( [+ iglobal-reputation-list
0 r' i. ?# O; O" `
- {& [$ C1 f- D. ~% y) `;;每一个turtle的全局声誉都存在此LIST中" g0 ~0 E1 g% c3 [/ f9 s
credibility-list+ ^6 h. G) I/ K% I% G
;;每一个turtle的评价可信度
( q/ ^ M4 P; r8 y0 zhonest-service
% d: e) G k3 _* P2 n6 ?unhonest-service8 R! b3 z5 \% C: H
oscillation& @# b1 R/ }6 F
rand-dynamic
* I9 s6 z- Y4 x5 v1 I]% U- m' V, o7 @4 `# `4 e) _: v
) P) a4 a9 t) ]4 y8 k9 Z. k/ f0 }
turtles-own[
( ~. D2 ?, ]# Y2 Htrade-record-all
! f% [$ M s2 c1 H+ i;;a list of lists,由trade-record-one组成
9 V7 {/ u7 U3 z. u! y1 Z0 Ltrade-record-one8 j% @& G$ N! J" R
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录) N) G6 q1 V8 a6 {
) Q+ p; E$ ]( F0 s;;[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]]
/ }+ \4 e5 _5 [. btrade-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]7 A- \* h; a! D$ i) q5 @* x
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' G% n; {" T+ x8 a+ t
neighbor-total
; l/ y' n, y% q* Y;;记录该turtle的邻居节点的数目# [9 f/ {% r3 Z. _7 S7 j
trade-time, G' l" U1 C' z- c0 R% u! L) x
;;当前发生交易的turtle的交易时间
0 y0 C! G* v6 i3 s( b, ^appraise-give4 {) [- n/ K# F' B
;;当前发生交易时给出的评价
. E* A' T! {2 p4 c. z4 kappraise-receive
% a" h+ j# I- n;;当前发生交易时收到的评价" W9 t9 e6 L( ^. @& ]
appraise-time
; G0 i" {) |% a( y" x2 u/ v6 }3 ?;;当前发生交易时的评价时间9 N# Q0 T. G# a- D
local-reputation-now;;此次交易后相对于对方turtle的局部声誉* y4 k) ~# s; T5 `0 B- j7 M
trade-times-total
; K2 B* X7 S9 n" `" k;;与当前turtle的交易总次数
" i2 Z" w! P1 G* I7 x F' L& Z9 Wtrade-money-total7 J( F; W) I- l! X% X1 J
;;与当前turtle的交易总金额
& _5 ], l5 U. f) j9 j4 Glocal-reputation
. m$ E$ C9 J8 J( uglobal-reputation
$ w# X1 |9 L/ k1 b5 bcredibility
; ~! C% b6 A; Q- ?' J$ p;;评价可信度,每次交易后都需要更新
2 z8 b. h; \/ Zcredibility-all! v l. F" E1 M; Q6 C' 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
9 Z' `1 Y4 n8 x' W0 C8 E/ h0 p3 ?) p# p& T
;;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0.53 }% B7 R1 h+ d. d* T) R3 `! M: _ S
credibility-one
' k k/ Q2 K2 L) Q;;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% e S# q w9 x( Q6 R6 w
global-proportion* k1 o0 W/ w+ I% m
customer
, U/ r% Z$ l* t: k( L) {& pcustomer-no
2 f$ ]+ Y" Q! k* g7 Ytrust-ok
. L4 w: c4 f0 n: Y6 T: o" ?trade-record-one-len;;trade-record-one的长度
/ h# S" m2 p; L7 o0 n8 Y]
* U% y" Y+ }! `8 B9 w9 b# [% S8 c8 U1 F5 `) s" r
;;setup procedure# J5 [# i& n" l; @" D
4 c: V D8 F; S& ?5 y
to setup" F9 m7 s- v! R/ W( r3 X
7 D5 s& z' E: C3 @0 cca
3 V& T* W( ?; L" Q' k7 x, w: S! F) v" a, }0 |5 }
initialize-settings' y5 F$ c: |0 D6 h9 s) d
* i' y! [0 x; x, c6 ycrt people [setup-turtles]
& a# ?: w- j* |) I9 Q
* w, C7 `$ Y1 D1 A' }% {/ z/ I7 f5 Lreset-timer
' y7 `4 z. @) S; @# ?% \$ U
) B! U |% k8 f0 J% l0 Mpoll-class" r( S9 D- D5 h" M1 k# I
* D- G* B+ I( {6 zsetup-plots, h3 v# k+ T! y9 G. H1 P
2 b* F9 V9 x$ O, @, o0 K1 t! J
do-plots
; ^4 \3 E6 N3 ^ g2 g: Fend, k5 J, H1 V# I" o3 L+ f
+ r# @2 A% `9 b2 P2 pto initialize-settings
* L j( f) S4 ?1 a( {8 L
" w. C4 I% R; S8 d- wset global-reputation-list []5 F9 H4 Z5 O: \5 G# s
( k- D- e- b4 \( r! }- _
set credibility-list n-values people [0.5]: u, V) A3 I0 e( `) T
. o5 \' @# [: Z, v# ^% o
set honest-service 0( W- l8 p: V5 \4 k$ o* C6 E
8 `- l! U1 @# R+ ?3 Dset unhonest-service 0
S5 ?* Q' M7 U" y `, @+ [' y. O: r) Z8 N2 l
set oscillation 0
% q& ]; Y; b) I7 ]! o+ _
, n. X( I& N# i5 N9 |set rand-dynamic 0
! K0 H0 X) b* i; ]end/ n3 X0 j1 y& y' _& U9 `9 ?
# S) ~& h/ `9 H% m/ {/ S
to setup-turtles
9 ?) W1 z. u) y5 `5 I- w& D, Mset shape "person"
! F; G: |' G. v$ ~) vsetxy random-xcor random-ycor
' S- V: Q$ r7 F' i- {2 {set trade-record-one []
L, Z: W% l7 R0 n/ s' U+ l& P* ~2 e) @- z
set trade-record-all n-values people [(list (? + 1) 0 0)]
/ X/ d3 k/ [2 f6 ^3 a
2 n) ]3 I- R1 K& h9 F5 f& t6 ?set trade-record-current []4 {9 J7 _5 `* b9 w* {
set credibility-receive []
: c A' @. I9 E' y8 V+ vset local-reputation 0.5. t( R) |5 M, A5 w: B
set neighbor-total 0
" J% R- k K% M4 {& |& Bset trade-times-total 0
5 U5 x1 \5 Y. v/ D9 Uset trade-money-total 0 c ~1 x, i/ Y, R* Q6 V) e( z* k
set customer nobody0 o; f8 H3 F0 L0 W/ D" c" F! T
set credibility-all n-values people [creat-credibility]; Y7 s8 o4 M% G& {& y
set credibility n-values people [-1]( j% S- A) j3 v8 a/ H7 Z6 c2 c3 q
get-color% d$ T- ^1 \% o P8 i) F& b
" ], [' \* T4 ?( S. b8 iend7 @/ i# p7 C' I2 L& o
: K+ x& x: `! Y+ m# o! M1 i0 x* qto-report creat-credibility* |3 C' \- |0 `
report n-values people [0.5]7 }# {$ w" n4 k# _1 K% D- ^
end$ f# s0 z4 M5 |3 w2 [7 O0 p8 K9 o. Q
: I& [) X) q. E
to setup-plots
2 J( z4 H( X. R, y. E
. Z3 }- I! _2 W- yset xmax 30; R( \1 W3 K, K" m1 w5 G
. C9 [# ^9 @0 U" _7 y2 t' ~set ymax 1.0' }6 V3 s0 g" V" E! v$ _5 ~
3 a2 ~; X; H, o9 e3 o: O/ s
clear-all-plots
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setup-plot1
4 t; Z9 O" c& Z/ b6 W/ v+ ?7 z: V7 ?7 ~
setup-plot2
3 V) V! [% z1 I( E) o* w$ f
5 `- O2 [5 y& A' Isetup-plot3 B; E% B! j6 t ^' o9 l: e
end1 @! o9 {4 a) I ? @; N
" c$ Z" ?5 k0 f1 B+ }) h! M;;run time procedures
) X5 k6 [" @3 L8 @7 O/ t, y5 C" Y2 }5 e" `$ k* v$ `
to go- ^3 L: V8 R& ]& J `
; ~5 ~6 ?4 N |2 v" x3 z7 P$ R
ask turtles [do-business]" S# y; J9 K- Q! |- \
end
! v* |7 O" g) c6 x# F
4 [4 B$ {! o! a2 R( q# ~8 uto do-business % b1 U9 d. m+ @* D
$ \2 w4 v. T* e2 e/ b
7 ?: z$ w' h d1 C4 Q2 Jrt random 360# C$ \# _+ q+ o6 Q8 R/ t
- J) L1 x! Y6 ]1 R- lfd 19 B$ Z' n" |7 k; f% \
/ H/ W/ S, }9 P% `" v2 B Rifelse(other turtles-here != nobody)[8 k- Q+ C$ G* v
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set customer one-of other turtles-here
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;; set [customer] of customer myself9 H V: y: K! k5 a+ K+ d
3 e, w9 \# i: |) G/ Y2 L5 d& Pset [trade-record-one] of self item (([who] of customer) - 1)
; |+ B' x; T6 j9 T# q8 `, _0 d: n* u[trade-record-all]of self& F: `' U1 s8 o2 N0 h, o8 `3 f
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
( |3 o/ P0 O$ M! u
" B' e5 X! v1 aset [trade-record-one] of customer item (([who] of self) - 1)$ P2 b' _0 c: a T/ f
[trade-record-all]of customer
b6 _: Q3 K* X3 g5 }, \& b7 c, @
$ _: u Z; G5 q3 \$ n# Zset [trade-record-one-len] of self length [trade-record-one] of self
$ m# C7 A7 f% n7 X7 Q+ k% s7 k+ w5 o8 t: d4 u2 Q- k* r- u
set trade-record-current( list (timer) (random money-upper-limit))0 H8 j. P0 G- }, G7 c' y6 U
" y- C6 v2 j5 ~. Y5 f3 E E
ask self [do-trust], J1 e/ X! C( j, C4 P2 r
;;先求i对j的信任度5 \& f3 K0 ^7 N5 H9 S
* F/ x9 x( C" ]1 L( m) pif ([trust-ok] of self)/ N8 [: m) ^% ]: a+ ?/ B
;;根据i对j的信任度来决定是否与j进行交易[/ u" H2 p- {- [" @
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself/ H4 ], S3 U# y( m0 F
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[
+ Q9 [- Y# ~" Z0 f4 m- ^7 x
9 Q; J3 x' V- `5 T8 M3 S' k, Ldo-trade+ p; H6 [0 o4 i( h6 O- P
' N4 ~+ z Y* L. D* L+ r( {- cupdate-credibility-ijl
& h1 s& T( ?' J" } m# b! T( l! _) Y0 L7 g. P: f
update-credibility-list$ U: ~* d% z; J0 Q$ [5 ?; _8 r
8 ]" _: e5 d/ H D. x* W
* ~0 `3 v, Q/ ?) N9 g, iupdate-global-reputation-list; b/ {# y4 E: n5 ` s/ d
. R8 g; ^0 |4 K+ u( G; n
poll-class- }+ {* e9 S0 N
* J9 L# k1 X2 N9 s/ ]1 [* l6 ~5 cget-color
1 a f$ a! P0 _/ O; z5 a4 z( x+ `1 {
- N3 p, j& j K( _7 N( `]], k) r' s7 y. B0 L2 p7 k" |
" T+ l; S; k, x7 V5 x;;如果所得的信任度满足条件,则进行交易2 O0 E2 A5 \7 s2 r1 Y7 U. E, [
% K3 }. V" i2 b- w i+ ~* {[
5 J. @) d5 q8 K. N$ Y( s( f+ Q; r( v) |! p3 e" U
rt random 360
" ~2 y% F( _1 O/ G& t
# K$ g* ~- j6 t' ^! hfd 1
7 y5 |( k+ N/ I. Q
0 v+ Y U- ]5 _6 w1 T/ x6 H]
$ r2 }: v% k/ G2 P% J9 l; x0 _8 T% D9 ?
3 ~( e \( {( send1 q( N! |. ]1 f- n
/ R4 b+ }" h7 r: A! O+ ^1 Ato do-trust ( ]; Q" [/ _6 x: T8 p) m/ N2 ]
set trust-ok False7 q% ~& }7 F6 G8 Z7 J ~# [
+ b/ @& m7 W8 @9 |
8 t: s% g3 |% p2 v4 q9 {& Rlet max-trade-times 0
1 u E+ N1 F8 O5 l! q8 ]2 jforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
# g! Q6 a' W$ q# K4 Vlet max-trade-money 0. u# O A4 }" c8 O, e9 f% }
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]7 Y3 R1 }# V$ k
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
( B6 ]) D0 b- n M" X/ Z+ X4 T& [$ s5 G8 K, c
" R5 W) ]5 s }! @1 u; w1 @# P. rget-global-proportion
6 c5 a# h4 E7 v7 E+ o# Q4 Clet trust-value
9 K+ h2 G/ k2 g* ]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) T- i1 u0 n. R6 Y; C6 d' p
if(trust-value > trade-trust-value)
( J0 h- _9 v& [' W[set trust-ok true]3 U7 o# C3 O/ e- {* E
end
9 w3 j5 h; u! o: v' j5 @3 [! D$ `# _- m; L* a2 e. i# \8 ~+ `
to get-global-proportion
U4 u, z* h8 o6 f; y' ]" Difelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: z# i2 ]# h" _( E9 U; V[set global-proportion 0]
- q" c( ?$ X! G: d[let i 0
' D/ x4 `& B* x1 d; ^# g; H8 |: N' qlet sum-money 0
( A. F& [/ N2 H! y3 X6 Iwhile[ i < people]
# l9 L6 |- L( O( N$ g[
( q) u7 F) L9 k/ yif( length (item i7 _9 g& A" \6 Y/ U+ ]$ q' \
[trade-record-all] of customer) > 3 )
4 [+ M5 [" e$ ?" _4 a( w1 D4 Q5 a[
5 w/ q" ]* J* Z: m) O% {set sum-money (sum-money + item 2(item i [trade-record-all] of myself)); {) o- e P; _& B- F9 C
]. X- B: f$ F+ o9 V: q5 l
]
! G, x% v; F: `9 P( o& t; `let j 0& j$ `9 `9 b, {, ` U! c
let note 02 G, n3 S' [8 h$ d. V' D# i
while[ j < people]6 G. Q: A8 @* I" V) f9 z& a: l
[/ O: T$ X1 |' ^" Y1 a; _8 C$ C
if( length (item i d ]3 E. h5 g. {
[trade-record-all] of customer) > 3 )
& F# F3 J: K8 b! c* e% s W[" U a6 B/ M$ p
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
- C0 x# K7 A9 j[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
$ j. `2 s; z3 `5 j7 v: T6 W! t[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]. W/ G$ _$ _4 ^% F
]& r7 |: {' [+ A& I
]2 p. ^! i2 ^5 e0 d
set global-proportion note H: j R1 A$ g
]
: w/ L* q- y4 W" Iend
! y1 k& p: f; A6 l* `6 X, @$ {' x }' F d, m( L6 ~. H0 Y
to do-trade; k) w# K1 m4 Y' u& Z
;;这个过程实际上是给双方作出评价的过程
5 E) w& [, l0 hset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
" A: v" a( M6 \. yset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
, y- T* Y, a, u4 _8 Eset trade-record-current lput(timer) trade-record-current! {5 M3 T$ ]2 M' j2 @ o
;;评价时间
: v/ h2 ]3 x& t$ Y; iask myself [; G( @- D0 e( l. t& }7 @3 c
update-local-reputation
b4 X* w* K; z8 i4 j; yset trade-record-current lput([local-reputation] of myself) trade-record-current
" K2 I( h) a; h]* a3 }. y1 g" O% h. d$ M- q' R& C
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
; y1 s* n h' Z) n( o. l;;将此次交易的记录加入到trade-record-one中
) p P8 Y6 |* _1 dset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
# l [3 \$ R# Q6 `- H6 Q; t# |let note (item 2 trade-record-current )- T2 j; ?6 B' G; T
set trade-record-current
$ |$ u1 m- x* o6 i1 a" n(replace-item 2 trade-record-current (item 3 trade-record-current))3 ^, h; f" G8 [. s' }- q" ^
set trade-record-current
+ P3 o% x* k5 x(replace-item 3 trade-record-current note)) e4 O, {% A! P8 Y
8 f3 V) I1 k$ v" S7 e( C
; d( X# Q0 h3 b7 rask customer [
$ ~" u9 R U% wupdate-local-reputation
5 w# G9 Y+ ] Nset trade-record-current
% M$ o) O" C) B+ i O(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
. F/ j6 S( P# N8 `1 m+ x]
4 w: T' k' |9 D1 V$ Y" `) x& u
5 E: r& V* k! J- E1 o& F" }7 S* i
5 y1 l. c# N9 b3 ~7 i( fset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer: r8 M2 S: N$ W+ F" ~
3 Z3 i7 y$ ^) K5 Gset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
: Y g# k+ P; c& X;;将此次交易的记录加入到customer的trade-record-all中; q; a- [. h8 m0 g& }
end
( E0 ]2 L$ }% c/ m; y8 @6 ~! b+ { Y9 j) l% g; I
to update-local-reputation
) \: W' Q" O/ h+ H \5 K+ Mset [trade-record-one-len] of myself length [trade-record-one] of myself
# X/ M% P) A" F8 {
- P5 Q! B+ G6 o6 L7 u2 t0 @6 d. n, y& o! e, Z1 f. `# e
;;if [trade-record-one-len] of myself > 3
1 }/ T+ S3 P6 v$ _0 I$ \0 i. I) kupdate-neighbor-total
! ]3 u! T9 W( m7 p1 B: A( s;;更新邻居节点的数目,在此进行
. p a2 ]* m( C4 t# w$ @let i 3
C8 a2 z0 {9 y# g7 r rlet sum-time 04 j$ B; [& e3 |2 W% l' E
while[i < [trade-record-one-len] of myself]
1 q; S4 s! T/ L2 c" V[( V; [- d% P- [1 d( r R
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )$ ?$ o: ~9 b# c
set i
5 }* d; b' y; R1 K, T( i + 1)# m; k0 B3 \2 H0 `
], j* h( X9 S% c# R! y* Y7 D: |
let j 32 v& a0 Y- ]* ?# ?: ?) {
let sum-money 0
+ b; g5 m7 K3 d3 hwhile[j < [trade-record-one-len] of myself]6 _* M/ P; `8 ?( } K$ q
[, j( f4 `7 J. D& c6 }
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)) W" |. j. T5 D
set j
" C1 q5 @, o# j' ]4 j. G, F4 q( j + 1), y# I& B3 L! W+ q8 ]8 f
]
c) n- z* k8 Olet k 3
6 y, O C: ], j! v: Wlet power 0# q: Y! v- h3 E
let local 0
; ]* j* }! B: _: L% u' o3 X# Xwhile [k <[trade-record-one-len] of myself]
- m! C& y9 L0 y1 P ~5 l[
) |- e# | L8 [/ [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) , z2 N% p; T4 z9 b; M
set k (k + 1)
0 |3 f* ~- J6 u! R4 m]1 B& s9 J) C5 R; p
set [local-reputation] of myself (local)
* o0 L# Q3 p4 Y. `# iend+ P( R) ] C# j l( j7 t' V- d
0 d) i- W7 B( N4 }; W
to update-neighbor-total9 O/ d* I3 M. n4 @- f; p% a
7 g3 {( h. q) F7 h+ C# r, g5 w
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]0 k$ K/ e1 p/ f9 ^/ [' Q
# i! i7 e+ S" c0 \& l! z6 C- t3 E; F J& g6 Y7 o9 N" \
end9 T- c+ X/ Q" @. N, x% q9 |
; U) s- }( ^- `2 P0 w* D1 pto update-credibility-ijl
z# ^/ M1 |6 T( \( e2 ~8 w: y
5 |# u( I {2 ?- v6 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。' _/ I6 ?. U) w" Z: u/ q4 i3 b: F
let l 0: l- `- Z3 s% T
while[ l < people ]0 T& c: f0 G) |1 d' l% k6 B
;;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
/ t! E" g; P+ L+ J2 K[
! F5 i& \2 T7 m& o" v1 Qlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
; Q& C0 g: o# k+ E9 Q# {/ Eif (trade-record-one-j-l-len > 3)+ I: \- m) F$ K
[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
& m( c* a. u- Dlet i 3% l J5 P m1 i" h9 X' G: y/ m- U" C
let sum-time 0' Y7 k; Z7 L; Z0 G5 J
while[i < trade-record-one-len]5 {& M, n' a4 z" s; a2 F- U# }4 v
[! r- B- d3 f9 }. B. y
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )0 t/ v0 |4 a( ?3 b
set i2 P' N" q( `: \* w, v
( i + 1)
9 M3 J* M, u9 j3 o: j]3 G2 g" r2 [8 U( J: W5 ~
let credibility-i-j-l 05 I& Z8 H5 ?/ B7 p3 e7 q) ]% m: T, m, [+ L
;;i评价(j对jl的评价)" _) Q9 h( E( t# H) y' ]. z# ?8 }
let j 3
, o3 P% ~6 I$ x2 C8 Q) j: Blet k 4
}: [6 K4 `. [2 [& gwhile[j < trade-record-one-len]
1 b+ K- A2 G" l3 ^" s, @' n7 q5 K[
' x6 _* H! ~; t+ x( @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+ {: s6 _ F6 H# \8 Y
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)* l/ a* a1 ]& L7 q' D
set j
) a: Y m( q* t) e( j + 1)
6 L* w6 d- y# I+ O]
$ {+ S, y1 O L! y1 Rset [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 ))
3 i" ?6 z, t8 q- P9 ^) c9 W* c
$ p5 d4 ~2 ~& o# {! I" }/ A$ a* ]( }+ ~. S8 z
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
5 ]2 g+ a, L% P D7 q5 y; f;;及时更新i对l的评价质量的评价
j( a" V; e( d! \set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]2 _; X5 n8 e, W2 D) G: x
set l (l + 1)* y- a! J4 }8 p$ X
]
, s! ^. B. ]! I' l; z5 S0 w1 vend9 J$ c( l# E6 U$ e8 }6 F+ v" X
2 m' }7 w3 S3 `: ^& tto update-credibility-list
9 j& o5 \' Q& P, P3 C5 Clet i 05 ^0 N" z: J5 M" [& E7 x, N! T; p. }2 E
while[i < people]
; m- D# p/ M3 D5 e3 L C% M[8 i ~) |7 ?* _1 \4 y1 p* f5 H
let j 0
, x$ x6 k! [! y7 ~, Ylet note 0
. Z3 ~$ V8 Y# Klet k 0/ _9 P- Q( K Z0 W* U
;;计作出过评价的邻居节点的数目2 D4 d: L, {- {: P! J! `- C
while[j < people]2 V' D: H- Z3 ?! Q7 y; x7 \
[5 s0 _ _" z; o1 |9 ^5 W7 Q
if (item j( [credibility] of turtle (i + 1)) != -1)
) s4 l) m0 c' g& o+ \% M7 V;;判断是否给本turtle的评价质量做出过评价的节点
$ {7 U7 t+ d* ^/ }5 _9 j[set note (note + item j ([credibility]of turtle (i + 1)))8 g* Z4 n2 Z# ^' O$ g
;;*(exp (-(people - 2)))/(people - 2))]
9 r0 S' N4 l+ p5 A/ vset k (k + 1)
2 N+ ]9 m+ u) [% T8 s]9 s4 B) _& W& i8 \0 B ^+ k" Y. e
set j (j + 1)' E) G8 O& q1 W
]* u4 p# a1 K! W. F; z! x" ^
set note (note *(exp (- (1 / k)))/ k)
( r% Z& J9 h' _5 oset credibility-list (replace-item i credibility-list note)7 u9 G2 o/ L/ W' }
set i (i + 1)
1 m; `1 T$ F5 i$ X: N( M4 y3 \. E! S]
3 y. a# J; G# z7 uend4 Q: u @" S9 K9 C& X
5 a; {, c5 E/ q9 ^3 ^1 W$ D1 Xto update-global-reputation-list: r7 }3 t" P& i4 |5 [6 m& J
let j 0; a, Q5 ?$ T0 z! B# ~
while[j < people]
7 O1 e7 E) w' k1 s1 k, {[
" f% e, K' X$ m; O& A, zlet new 0
G: P4 v' o0 K% O;;暂存新的一个全局声誉$ }; b. x, E# J4 h$ w$ K
let i 0
8 m y& Y( \/ x; T; s" Vlet sum-money 0
: {! M* B/ A9 V: U! P7 H( a# [6 @let credibility-money 0
: \' B3 v+ X! a4 }while [i < people]
" s6 i- ~2 ]) ~- P8 n. }; T# g[
g2 T) t8 S9 V. E$ N; Y1 p# J: Aset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))6 ^: @3 \( e4 x) p# W" r
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))* A" T1 l9 `& ~- L; d
set i (i + 1)
& j( e& _; Y6 m' q. ]; `' b- c1 @]# k: w" Q, {. U2 _( C+ D0 I
let k 0
$ V8 ~) I w8 F, K! N& o3 R. qlet new1 03 p/ d) h9 m" f( m+ t- d) P4 m9 z
while [k < people]) h7 l& }3 V, y4 @ U) m4 _) y @" ?$ D
[; F: R2 j. w6 @3 i
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)( S/ H( }. @' c7 I1 V
set k (k + 1)6 F6 }# i; a% {; u; }7 {+ N. u
]6 W2 i. k! R) s4 K( S2 k# F
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
+ k5 ?5 H1 m. V3 b% a' g9 F/ vset global-reputation-list (replace-item j global-reputation-list new)
' p' \% K# g" E- p/ j" lset j (j + 1)# m9 O5 N- c3 |3 w3 Y7 L! B- g
]3 \6 o1 ~6 i6 j8 z4 L
end& i% Q/ [& b" s& G' x3 ?! `
$ F- I2 T3 q$ W/ z e
8 H. M* X8 G) Y+ Y* [
2 T* s; e! F% R: s$ q5 M' X. h; [
to get-color
- L: f8 ]) C }* O, P' ]5 r( ~/ w! h7 ^* g2 ~* U% d2 i6 }
set color blue
) C/ x3 a, _8 g( `$ `! b% eend# w1 t1 L2 ~, v6 c: R# m2 M
) i, @9 Q Z( V* {
to poll-class
, `8 c6 w& n3 [- X: Y$ Mend
) [& `& p* ~- { k
* \0 ~4 M- `& C* {to setup-plot1. V/ k$ Y2 s) g% h. |- m& c; C( J
0 c* I* E+ t4 R/ l& `
set-current-plot "Trends-of-Local-reputation"
. r, v/ U1 F, B$ l/ e: ?2 a, c) Z7 C8 w& j8 {1 W7 N. }$ H
set-plot-x-range 0 xmax
- O( n7 h7 B0 w: J: q
: a8 q" t8 q& a, lset-plot-y-range 0.0 ymax
; o0 V: ~. A) u M( E) qend3 y; x7 B6 w N6 ]; b( K
1 c. G0 ^/ y( \& I9 J! v+ Cto setup-plot2+ `# i. u5 k' b( R$ V% P( l/ z$ i3 D
; e: Z% A. X" C/ e* M" Y, }# {set-current-plot "Trends-of-global-reputation"
7 f) t4 x1 \( |/ `4 E- l$ n* X; I- i5 Z1 l! i+ u; F. U6 ]! X
set-plot-x-range 0 xmax
4 o+ Z8 P3 V* |& O- e: P
2 c0 Z6 G. o, V0 a! yset-plot-y-range 0.0 ymax
( A! G5 s7 N$ Q9 i2 X# z9 _0 A6 Z% @end
( N" X* l. f9 T! ` Q& y) Z0 [) p9 a$ I
to setup-plot3
; ^; ?& T0 W- z* d$ ^ F% z, p O& t: I" X, K% w
set-current-plot "Trends-of-credibility"
! p4 v% i) R4 {
' C" v! y: u* K( ]9 bset-plot-x-range 0 xmax
! T" b: T2 }$ X1 _& \& y. I
' O* \( `8 I5 o& sset-plot-y-range 0.0 ymax! Q2 G6 F& K4 y( _
end, M( h0 o0 I& C* n3 O
: E. |* o0 e, {
to do-plots
I; o# Q, k! W# T) Nset-current-plot "Trends-of-Local-reputation"
% b/ S4 U( m- M, R) Uset-current-plot-pen "Honest service"
8 {6 B. B" z4 p" ~end
- x$ f$ F4 Z; ?; Y' B( t( y+ ~! _) @0 m# [* s3 j6 H
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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