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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
* B$ \ v. J, z9 Vglobals[$ Y B9 O, ]& u8 v; X7 ^
xmax
4 B. K, c/ d3 I7 G& bymax
, D9 g, O4 i1 B& bglobal-reputation-list
% j E% X( N E2 _3 Y J# z: k! |( b: a6 `5 P* h
;;每一个turtle的全局声誉都存在此LIST中9 t! j' a6 m) B
credibility-list
0 {! l7 A/ @( O! ]) q$ Q# q8 K;;每一个turtle的评价可信度+ h5 q2 x; o. ~" F" y9 [
honest-service$ @& ] T$ i9 ]( D1 |
unhonest-service
" u+ Q* Z$ c0 I1 G) }3 p, ^oscillation
9 s0 k: @5 p4 u( V4 v6 srand-dynamic- G8 R6 S, B6 f) L E3 q2 f7 {9 ~4 J
]' [ `1 q) U6 g; [: c
( [; j8 F& K! N+ Cturtles-own[; V' W0 a' K' W
trade-record-all
3 D" k. E ]& l0 P& \;;a list of lists,由trade-record-one组成+ c+ E) h. Q# _; f2 d& ]; G& a4 ~
trade-record-one
# J; U+ \2 {# t;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
$ C( k+ L1 b, U( z
, _, c" ~! b/ ]2 |( {) z2 l/ e;;[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 G) D: x0 ]' J/ O4 v
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]
8 `# x/ u& b8 |+ ^* o9 zcredibility-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
5 J5 i/ @8 n* G7 v0 J+ |2 r, y; dneighbor-total2 r% o5 ]& x' s1 I& }& G' u
;;记录该turtle的邻居节点的数目( W; C2 V* m ]) M
trade-time/ S" r; p$ g) J' Q# N, Z! @+ ?
;;当前发生交易的turtle的交易时间
- g$ L8 ^: G4 L' ]! a# aappraise-give
# U; _7 m Q8 r, e;;当前发生交易时给出的评价9 L" y3 E; q6 J0 E3 c# |* e
appraise-receive! q" t$ R# o% K7 S. E6 b
;;当前发生交易时收到的评价
+ c# Z; I2 z/ S+ |! O6 wappraise-time) X. X7 V# t6 A% t
;;当前发生交易时的评价时间& E1 r$ B# n0 t0 ~' A4 r
local-reputation-now;;此次交易后相对于对方turtle的局部声誉" K2 B' D; Z3 y: X+ v* U+ ~+ E
trade-times-total7 G! O( v! v5 _. u3 t/ ]0 Z! y2 a
;;与当前turtle的交易总次数. d f Z3 s6 V
trade-money-total4 s4 |3 p! w! r, J9 |* h
;;与当前turtle的交易总金额+ H* D' F/ R/ r
local-reputation' x& r" b, V8 u d
global-reputation
! Q# Z# T& M9 a* }6 T7 gcredibility
/ d: O* k3 O0 q9 T k2 E;;评价可信度,每次交易后都需要更新6 x/ f' e* o/ A8 ~9 F! f& p$ F
credibility-all) K" D; v7 o1 J) ]" d. u! V3 h
;;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) P* V& w s+ `' B/ p" C/ S
1 @. Y5 e; C; {( V4 z;;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) b) q2 ` N, o& ^! K n
credibility-one
`+ \: g* `' h$ P! a! V3 S2 o. I;;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
6 j" h% f% G0 m! d0 k/ uglobal-proportion8 h0 Q5 m2 g3 X- Z
customer
3 O4 ^# m4 |2 h& W2 n% k: acustomer-no. R$ u3 U: y9 `9 B
trust-ok+ t* p+ O7 z* T" g
trade-record-one-len;;trade-record-one的长度
+ G4 a, ~+ P; Y- [+ ?]
& F2 H* _7 o9 i2 C H2 y. M0 ~6 E# Y; s8 `% c
;;setup procedure, |* `. _/ k; U7 a
: ?, P, e o" l
to setup
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ca
* h' }! k) u/ B4 X( D) M, l+ _: v' ^, k& P6 n. F% P
initialize-settings
1 y' a2 s9 M- e/ ~# w4 |
& i1 O e3 K3 S3 L. o9 zcrt people [setup-turtles]- `4 q; }' K% E; }& U
$ x$ ?' ^# l- d. ~4 {1 D) ]- ?reset-timer6 F W: ~+ x; C0 Q2 f8 U; E; a
3 n. z" x9 w& ~4 ?6 D% K. v1 y! U2 qpoll-class
1 g, s/ Q; t9 W. A4 q
, k! m; v) p: A Dsetup-plots
$ m7 D9 n9 B8 k z; z0 C
& x0 m$ L& S* H' _% M- A; y* Vdo-plots
- f, [0 d+ i+ o7 F' ]9 \end
$ f4 C# M+ V$ s5 O; L0 A) y) V- b
to initialize-settings
" I3 U$ u# p' r
( l8 X+ P2 `) @( v% p+ bset global-reputation-list []
4 k+ @! N4 }% [5 Z5 K0 B
6 J3 ?( o! l6 W( \9 g8 l( E8 bset credibility-list n-values people [0.5]8 c! U# x: G, d
4 j0 b% Y& Z; B8 r
set honest-service 0
, L$ U9 {; D7 x1 b0 D5 x h# ~% ^- c5 E, d
set unhonest-service 0
2 o/ @& \* }% A5 B- I- a! H9 Y& F6 H; b7 @2 ^; b3 E3 R
set oscillation 0
# t. g! y* R" f: R0 v/ n1 O; i
0 a. ^* E' c* Fset rand-dynamic 0
( a3 g% A8 E4 y, jend
, X3 ]* I4 L3 T1 H
7 }5 h5 f1 F9 k" H: @ yto setup-turtles
4 K0 S6 A8 `* |7 I3 Y5 x) o5 ^1 mset shape "person"
* a6 L1 H$ z6 @setxy random-xcor random-ycor
9 \. N. y# E3 j( t* uset trade-record-one []
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set trade-record-all n-values people [(list (? + 1) 0 0)]
# K& K) B, y( C( j: o. X2 I
; D+ E- |! \. t. `3 r% ^8 E' z2 rset trade-record-current []/ Q8 \" F3 j( l5 `( {+ ^/ U U
set credibility-receive []2 w& o0 F6 P. X+ K9 p9 |( J* v; F
set local-reputation 0.57 ` `) I: u# ~- G2 |, t5 u
set neighbor-total 0
5 T! N9 z8 Z1 l+ L$ b2 n& Lset trade-times-total 02 b8 [6 j# s( g6 A: p/ K
set trade-money-total 0
0 |/ |. v5 e4 ^# w2 U2 N* Zset customer nobody
! X6 b- L, `+ L: Y {7 vset credibility-all n-values people [creat-credibility]3 h& _# Y2 m7 X9 p1 O% @
set credibility n-values people [-1]
4 d8 j0 u6 I. S# j, W/ [* W. Zget-color8 V; Y) J/ f# S6 c
5 P$ I, E$ \: |8 A' z
end
5 u2 K" w* P5 [7 C( A
$ V; h1 d" W) x" B! ito-report creat-credibility
" e8 b- g2 z3 I" U1 H$ xreport n-values people [0.5]+ X$ O; }, Z( G2 W7 R
end
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to setup-plots
# H$ O8 m3 M. [" F2 n! c
' ?" O. R' T6 f) _" X, Cset xmax 30. ?* `& j5 Q* Y: x/ e1 L. d
7 m3 W7 |5 |$ {5 x. p, r: O# rset ymax 1.0
$ J) G9 W0 ]) T: m2 r" i
2 X z+ H- {! w; a# W3 Hclear-all-plots( y& m5 T" h" d4 t
* G9 ~, g, W/ i9 {9 c, {. W
setup-plot1
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setup-plot2
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" h+ z: n! l" w- t3 H" k# msetup-plot3; Q5 N8 z$ [) J$ A7 J
end8 P4 K y2 v) l: K, y
* F [8 E; y) G$ Q3 L, m2 y;;run time procedures0 N/ {$ E1 T, ^3 L3 q7 Y9 t
' t7 r0 I2 B; o, \* R' ?- l) Eto go
% q# y0 [; W0 x4 Q3 P
, t( [/ m v+ M( ? U$ task turtles [do-business] C; b! {2 f5 X8 X, d& q4 F
end+ Y9 B, `9 T2 o1 c
+ `/ j* h* |; r' d7 |
to do-business 6 u' u2 K& M5 q0 l: `1 `$ D9 W/ `# F3 {
, T% ?8 i& |. P! k
* a0 J- {8 O | Vrt random 360, K, X7 n6 g% b& z( I$ _
! E/ ?+ b. P* n* g: U! s
fd 1
7 d/ n0 a! b& K) L( j) C. W, v& F5 b! [5 }
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here! m& i: @! A3 _2 p) N5 R) p
6 z+ }! ^& h2 q$ Z9 U
;; set [customer] of customer myself# J6 k/ t, ]! I7 G: `$ S
# C' p& @4 [' H, Y: k1 F. W
set [trade-record-one] of self item (([who] of customer) - 1)0 h: W2 c7 a1 F& S# e3 J: A r8 d0 p. Y
[trade-record-all]of self
; l+ c* f/ j1 R) N5 A; v;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self; Q' s: S! l, d; `
4 c4 x0 G% H |1 p4 P( J3 ?
set [trade-record-one] of customer item (([who] of self) - 1)' E) l. M% y$ M- x4 \
[trade-record-all]of customer
: a: }' S, u& ]
/ h, {8 }: H9 s* jset [trade-record-one-len] of self length [trade-record-one] of self# p* k3 h; {( p# G r4 Y
/ c; g/ U$ u* \8 J+ M, `( _set trade-record-current( list (timer) (random money-upper-limit))7 ^+ o) f1 @* q9 j. ?7 n
5 ~# U& w m) E3 p# s' g4 nask self [do-trust]$ ?# Q" p6 U' k3 m5 \! g
;;先求i对j的信任度
; R# C. }* S5 y- |/ c
3 U4 A5 f3 l8 o; r/ N' S4 r* {' Dif ([trust-ok] of self). Y& @3 h7 a8 {. K+ ]' f0 g6 R
;;根据i对j的信任度来决定是否与j进行交易[ [% s/ z$ N% L- h
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
& L# Y6 Z% F+ ]+ }# q L. Q& k4 y6 @! ~; Y# N" ?# v
[
1 i+ t4 k; y; n$ {0 L# b$ T) b6 c; w. Z- V( _
do-trade9 H% ~2 Z* c# I- y6 @- U- C
. [, y$ L H$ r1 B( l" D3 @
update-credibility-ijl
5 |& r( ^! h+ F/ D S, t: D9 w, d @) x9 t
update-credibility-list" n6 Q. [$ t1 p) o5 s) K
g+ D& e+ l8 D# V0 i, t# S# e
6 j( O T; ]' ^! R4 gupdate-global-reputation-list
) \$ x- I, u, `. Y2 Z6 t# k9 V
! s5 C3 p2 m& l Lpoll-class: t+ ^% p' }7 D: W% a8 a+ J7 y
2 Y# \# H" T, U- o# J/ cget-color
% s( k0 p( n$ D* F3 u
% T8 s& p0 b5 p# q]]5 m$ H- ^: d* ^
1 B2 P2 ^8 M7 b/ ~. o6 [) e+ \7 Q;;如果所得的信任度满足条件,则进行交易
& X" y/ p2 E* y3 V% M
6 ]. t! E+ P& r1 [5 `. r4 a% u[$ T) ]" j0 t2 C7 q8 Q8 o, S { J
7 d# _7 U4 z2 L9 O$ G! Ort random 360( ]. u+ v# }$ s) [% P
; L. W) c& E4 A( {- A7 `. ?fd 1
0 E* z" c) B r* a+ e1 G2 ^9 N' v% ^# v: ^4 j0 ^3 F# a
] z1 Q# ]+ Y9 L+ k& g- q8 u
& {" E" D: u5 L: Q* Send% f! |6 @0 C) K& `, L
8 _9 |- W! h8 n5 b" `) Y7 E
to do-trust / [: K9 R9 A" G! w# U
set trust-ok False' {2 p: [$ ~( |5 y2 @* N" U
/ {3 C j @- f' ^! Z U4 z* ]) A
3 [8 D) R/ Q& S* f% z: P0 Klet max-trade-times 0* G, a* B! a- g3 t" J
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
2 x5 D) R) W6 T& f$ Elet max-trade-money 0
; W" M9 ~ E' ?1 J; `0 n# _foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
' `! \3 K* T; n: v/ Wlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))' |5 Y1 H3 [6 o* n5 ~, h
9 ]2 G) n5 G ?/ y
, D0 f; s! A# l6 k; b& {) e: F2 h" hget-global-proportion
- a7 [- U" K7 i5 ^2 clet trust-value* y$ d% L8 |5 N* ?5 N
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)
+ E8 n. G1 F) S3 B, `9 M( a( Wif(trust-value > trade-trust-value)$ d/ G. ~* q F0 [; W
[set trust-ok true]
9 }9 ^. d; D' Y/ l. h) aend
# R) C+ W( P3 [
4 S, J I! Q: |* P. g5 g5 r, Lto get-global-proportion
( v0 x3 ]) C# s* `3 G% ?0 Aifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
' _7 q) m, x9 [4 o6 A5 [ K[set global-proportion 0]
2 J1 k. [7 j, N/ \[let i 0* _- h/ b5 ~1 z' O3 B e) g7 y3 [
let sum-money 0 G) ?) `5 ?9 E8 V
while[ i < people]; @2 l$ V' j7 x1 V6 ]9 e
[( W( N1 ?9 J- U
if( length (item i
$ r9 v( d- {& ?7 J* V9 N% b- b[trade-record-all] of customer) > 3 )# ^8 z$ W1 H: U7 ^+ L
[* J* j/ _( d" F0 v
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))* ?0 h6 r* F" r& j0 ~
]7 D0 V" h( o/ l" g+ w: Q
]7 I# H* ^/ X5 f
let j 0$ d @9 u. n- q- o" [( l0 s. \& g
let note 0
% F" ]' r/ F' ?7 V/ rwhile[ j < people]
' e8 w; M7 f. M, ~/ R[
; c/ X* [0 `0 [if( length (item i
4 p* Z0 X2 d7 D. j[trade-record-all] of customer) > 3 )
3 _6 n/ b2 ]- \% [' Q+ v[
4 z: `0 ]" D! d2 J$ b4 l; ?/ pifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
$ d; Z/ q4 B* I7 W6 u% Y[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]. ` n- C2 _ V$ e f9 y
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]) _7 Z7 Y. o; m9 r: i/ z; M
]
[4 [ n( B; H: J! [) R]/ N* L5 E, I( W# z8 R5 W# Z
set global-proportion note2 c. E u- o+ q/ z2 Q. @) z4 [
]
/ q$ ^' s/ q B* V7 {5 `8 Eend( L3 B8 N5 n2 A
* f$ G8 i4 `4 t% u/ w$ Nto do-trade! u8 H* T) q1 o+ c- G
;;这个过程实际上是给双方作出评价的过程
9 ~) h$ ]+ u" [ J. _( J. Tset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价9 f3 F9 K1 e) {
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
4 E$ P. F7 ^. iset trade-record-current lput(timer) trade-record-current
0 U1 H( T( ~# G/ q! a7 v;;评价时间) E$ o N) c7 |1 B$ T/ T; a+ P1 s! v
ask myself [
$ H8 \! [3 J# f6 J0 gupdate-local-reputation: n! N& Z. E$ e# {; s; s
set trade-record-current lput([local-reputation] of myself) trade-record-current! O* \0 Z) j4 G# B0 U
]; S1 ^4 O$ }; C' _+ \ O; i
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself7 y e- K' l& n& d J: X
;;将此次交易的记录加入到trade-record-one中/ U4 v% h# n7 C
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)2 X' M' Y+ J; n6 U' R
let note (item 2 trade-record-current ), W% t+ |; W$ R# ~" D9 z- A6 T
set trade-record-current
: n8 y. _) o |; I! _+ s2 s(replace-item 2 trade-record-current (item 3 trade-record-current)) F9 o( i9 c# Y) @. Z1 Y
set trade-record-current' K9 D, x+ h M, R: [) {5 G' d1 P& X
(replace-item 3 trade-record-current note)8 R7 y8 j. h% V. `; y& x
/ e0 p; ^' j+ ?6 X
% o) O# y! A6 K- L; t" M
ask customer [2 |! R3 S% A$ }5 [( R+ ~
update-local-reputation3 k# b4 F1 W! u7 L- ?
set trade-record-current
9 \! F, X. o% Y4 A- n' x(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) : x0 q1 d6 P1 _" \, U! Z% ?4 u0 r
]
* ?& E* {1 ?2 Y7 s0 w& @# [) o" |# P0 W% m1 |6 ]
d9 d' _1 D) V1 u0 t7 Zset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer1 N& J% p' h( l, z5 S
3 H9 Y% ~2 ~/ Z$ v( `set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
, y5 I, A4 } x' O;;将此次交易的记录加入到customer的trade-record-all中
- N0 W/ z$ [( `5 p# p& c( iend
% v+ I* U% {; v( S
, U0 }( S( m. L" o# w8 h* hto update-local-reputation0 p/ j9 `9 t: E1 E- k7 Y/ @
set [trade-record-one-len] of myself length [trade-record-one] of myself$ Y8 B& Z: M3 p/ U. N
4 F; q3 u9 r$ f3 {5 I# I2 W- K
% w+ _$ w) s; Z/ A. A/ U;;if [trade-record-one-len] of myself > 3 - r; Q9 ]$ N. B- V' Z+ l2 K- s& _
update-neighbor-total
. J, V- D( H+ I8 R a* P5 T1 _4 z;;更新邻居节点的数目,在此进行8 I* ?1 G6 e* [( S! K
let i 3 I. R) L" s ^
let sum-time 0
! u6 V% i6 V6 I/ xwhile[i < [trade-record-one-len] of myself]
( c& ]3 u. r! c3 E. ^2 m0 }* T[! w" [: q; n! M+ I' C) Q$ x: H$ t- a$ t
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
1 ~; ?( ~6 c3 D& d" h$ wset i) z8 l# _) f/ c
( i + 1)0 n7 l0 g b# }( t) ?
]
6 `& X" h! x+ C" s& |let j 3
0 Q# v g% D, Y; n" Olet sum-money 0- Q& E' S6 j3 Q" {# Z
while[j < [trade-record-one-len] of myself]; A8 p0 U( i7 q2 E+ D
[
. T, W: j- S8 u! hset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)8 Y& k9 s2 j* t" u$ I- o
set j
4 }% X7 b+ ^) F( j + 1)
; T" V4 c* Y+ v8 f]: [# O. h8 P3 ?
let k 3
' J& d7 b6 z: X9 tlet power 0
* t6 [1 J3 i' x9 J2 |" {1 Klet local 0
, D# ]2 i8 P4 a+ Awhile [k <[trade-record-one-len] of myself]
6 z8 @& P8 _( h[
. [" m0 ~% f; O7 c4 zset 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) ! ~0 V: _4 m0 m6 _& r, ^
set k (k + 1)
9 v1 V, s. u' S8 X: C]
* d, {) N" v4 G$ Zset [local-reputation] of myself (local)% S6 a. `, L: y9 c* M c; h/ I$ |
end& U0 J2 g- l4 {0 @
- m8 ]- D& E, I- I8 S
to update-neighbor-total
3 J: O% o* U; M9 w+ }) i- K" p' A$ X5 ~" |( {
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]6 O# V0 O Z. O3 Q+ J
% x7 R" q2 o! g& z- h, P
! j) Q( c. m( _0 f& T$ a# i3 Pend
. q+ K- l' R8 l8 B2 E1 \) ^$ i1 R- T8 a3 w- j
to update-credibility-ijl
+ T, p* \2 I* E) g, J: v m& g% _* f3 d) a& s0 I7 g
;;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。9 k/ O: v+ C, W& t1 r- I8 i! W. _9 B
let l 0
! A3 b2 W4 a* |; Owhile[ l < people ]
# z$ a# e/ ]" S+ j; u( l;;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
* _! v4 I, S3 L; w: p4 |[
: G# y1 b8 S" S! s* ?0 Q4 xlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)% h+ N" D- h8 Y" |, k- @1 B! @
if (trade-record-one-j-l-len > 3)
5 A3 v! E: z7 e0 T2 q0 P[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
$ j/ W$ ~( U. L$ plet i 3
& e' u% U! l1 ]( Q$ D- F- vlet sum-time 0" h; P7 o2 J% |+ X8 O
while[i < trade-record-one-len]
9 b r* y2 X! a# ]/ ^9 F. @5 b[
9 Y5 _3 c, S& [! ]- Lset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
9 B$ z, c/ V0 z* E& jset i
4 |7 J* I: ^% y5 y( i + 1)* \! q; M7 o Q6 ?
]
2 H: a2 c f" Q& Blet credibility-i-j-l 0 \9 Z1 T. k; W, o
;;i评价(j对jl的评价)
9 Y3 B1 U: `8 s/ _6 }3 Flet j 3
2 |) a1 t5 a2 N" wlet k 45 c7 {" c( ^ P; {/ U
while[j < trade-record-one-len]6 H. m8 f2 ~3 f& F" [
[8 |) ~. v2 n% ?6 {% e1 L" k; W
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
* E' l/ k! i7 q7 s7 u# k/ I! Gset 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)
: r3 g. N0 o3 {set j
: E! }2 e. l4 Z3 B( j + 1)' g q! K6 T9 ^0 E* p1 p2 i
]4 `( G$ Z% T6 ~" d! @; U4 |
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 ))# I: L3 b% z0 m( X- }( t! w
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( H9 V# e+ K) a/ |let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)); U1 f. O0 A) E( V4 c% J. R
;;及时更新i对l的评价质量的评价
: h5 c/ \) \/ r/ [5 E: Q% kset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
u3 N. d$ | c; Jset l (l + 1)
. z9 c4 C7 _9 \4 X, O5 ]]
9 @1 y' b' \+ D7 W& D6 Aend
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3 V- P+ \6 X. j5 g' d% Dto update-credibility-list
" `% s* u9 h5 G) @) ^4 llet i 0
& x+ X0 G0 Q( C) @- Awhile[i < people]6 g" K; |3 P+ m0 S
[
2 ^- I) b+ M; U; S/ M4 }let j 0
- d3 T$ ^3 v6 f/ ]( ]+ V- Glet note 0. T! z$ Z7 g+ }) l7 C9 X4 k
let k 00 P! _, p* p/ k
;;计作出过评价的邻居节点的数目
" E" a7 G" }/ m5 i* O* N% Fwhile[j < people]
- S# E% J; F' s4 Y* b7 w[$ Z: R( u9 t* p
if (item j( [credibility] of turtle (i + 1)) != -1) I, z. E0 z& a$ S6 [8 G- I+ V
;;判断是否给本turtle的评价质量做出过评价的节点
% A1 A" L8 h# L% |8 `4 Z- ?# ?[set note (note + item j ([credibility]of turtle (i + 1)))
# J6 A. @7 e8 Q% X' e;;*(exp (-(people - 2)))/(people - 2))]* B; g3 R# f2 d4 G
set k (k + 1)
* g6 o) l9 ^! m: m+ i]5 ?- `# J# a4 d0 T( {
set j (j + 1); @/ b8 h n+ o0 h' T, F
]3 r( Z# m- n+ U" m+ \; i
set note (note *(exp (- (1 / k)))/ k)
1 H0 A5 \1 [) G& zset credibility-list (replace-item i credibility-list note)4 `# v- W. G' ~4 K
set i (i + 1)
6 H- s6 g8 m0 B e: o, D- Z5 n]: x: O( D( `' O0 e3 ^+ \
end( f) o& \% t( p5 v _, k
, o, X! i+ Y- [- ?8 L( Gto update-global-reputation-list9 f4 k+ ~) P( d& F- o
let j 0
# E' Q( f* J; ]5 E! T/ J/ fwhile[j < people]
7 h- v! d+ O* F' Q* e5 \3 G2 m[; U3 D6 M! q9 B- L& ~
let new 06 }4 X0 @" P4 x5 g" q
;;暂存新的一个全局声誉
* U6 u) x, N8 k; _let i 0% R; F" ]1 c* O+ P! X* U; v
let sum-money 0
: j f9 A+ u$ X# K7 u a! _let credibility-money 0
9 w/ b9 W0 x9 T5 ^5 X5 R! s6 owhile [i < people]
" f# n4 k( m; e4 k; x[9 {* Q: R+ N9 H P2 ^, Z
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
j$ ~0 i' `( X; {! J& Uset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
( j) q$ b4 j6 r4 [set i (i + 1)
- R+ g U; |, ]8 ]# U]
/ k: e3 d: m" p1 \$ mlet k 0
2 s/ e* Y4 p& B; i! Plet new1 0 d' U: t, G" \( E! l3 h
while [k < people]
4 t2 n* S8 M, R6 f) d* v% J' Q[
! P& p; ?/ w& [ i) P9 nset 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)+ ^& }% P6 \" l# A
set k (k + 1)
. {% R& x9 i. X V0 `]0 j/ k% E- q9 ^( F, w1 _
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
( o3 I y6 a1 t" M" Qset global-reputation-list (replace-item j global-reputation-list new)% B* V& G% h5 S$ R) }) \
set j (j + 1)8 T/ G5 G* M" f2 W/ e9 B
]
o2 q2 v8 @6 y9 vend% a' e! x/ d& j/ ?; B G3 _
, [5 a: S9 C# q1 S/ O: K+ L
7 i, e8 N, y& E# v) X8 z5 L5 {0 T% e4 U" x8 Y
to get-color
Y: {! h0 u- ^4 m
* |0 T' e: v2 M9 Qset color blue* W* i; U$ R a
end
# x8 _; R- p; y% e: a2 k* s5 Q+ T! I& v6 l/ d
to poll-class& ]% U5 ?& ~+ N) U% f
end% C" X6 B& P/ Y5 j6 H2 q9 d
, `1 v# z. H7 T( x8 d. kto setup-plot1
$ ~$ V* _% D* N/ `+ h1 L
4 V, p; j: t" ]: `* {set-current-plot "Trends-of-Local-reputation"
# c# b, h9 a: j4 o% {/ A* r5 |* j; f7 o2 C4 e7 O& {( E# z: y
set-plot-x-range 0 xmax6 ~( J9 }' A4 J2 D* E4 |4 D% m
1 b) q& b/ t: y1 n) L2 O u
set-plot-y-range 0.0 ymax
* R* m6 ?+ J5 A, k$ o. hend
, q8 `* T7 C# w" {( ^+ C" ~% z
6 Q" k3 L9 @1 F& w2 K! Ito setup-plot2+ ~$ G0 ]- W5 o
" G! |5 O: [ L" Z
set-current-plot "Trends-of-global-reputation"
0 U7 K" ^# N/ A2 v. I0 G5 {( W
& q* q, N* J& x W! Y1 }, Q3 ?+ cset-plot-x-range 0 xmax
' R* t+ h/ L2 R8 v! B1 _! D3 _1 E) D% ^( r/ O9 E( B
set-plot-y-range 0.0 ymax
i! i! U5 p, W7 Kend. ~6 [/ D. W- N r, D5 p
0 M; X* E7 z1 Q0 B0 l5 fto setup-plot37 j. T1 E7 L" p, h
( E4 X0 g+ B* l2 _5 jset-current-plot "Trends-of-credibility"
! S8 M& ]( Z9 W' K8 K% h; i$ d/ c% K
set-plot-x-range 0 xmax" C9 E7 W! f7 z9 Y8 |0 y
, z0 y8 d% {9 y/ b; }$ m# [set-plot-y-range 0.0 ymax
! f+ n6 V7 x4 Pend
) `* Y; V, Z# G* N
( J, r3 |+ N' p9 J6 n7 O! ]to do-plots$ `6 _# B5 V# [1 p
set-current-plot "Trends-of-Local-reputation"" F" K0 _2 ~' W
set-current-plot-pen "Honest service"
0 ?% t4 D2 [ {( O. u) n- Y, aend9 f! D! f, h; B
& O, e! k# w! h: q, ~# W[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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