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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
) M& ^8 H8 N+ _" cglobals[
+ C2 a, a' y* i, Q! V! }! X. _xmax
* K7 O4 l+ V$ `4 S/ k6 Q) dymax
: M8 f- A" T. [5 ?- Yglobal-reputation-list, l6 T, ]( T& C. d/ N) A
3 Y* e6 k ]! I2 c$ q& _
;;每一个turtle的全局声誉都存在此LIST中, T3 b2 M6 {! m9 [3 f& \; [
credibility-list2 ~. s* u9 X' q% k' m
;;每一个turtle的评价可信度9 k8 w3 X1 \! O* N
honest-service
) W6 v" P! @* _7 R; u U: R0 D, C/ Cunhonest-service
0 g6 X1 \, F( L7 H$ Q7 N$ `5 e/ d# ^oscillation
6 w) e" Z( F0 J3 ?rand-dynamic
( s4 Z8 m. K* r4 g( i; s. [6 S \8 O1 Q]
; l$ q' T3 ^) X! ~0 G' ]
( K2 b: k: _. }) a( C! \turtles-own[
8 j4 s. B" R, @4 ]9 W9 F ttrade-record-all7 Y+ M, G, y/ m# t# M
;;a list of lists,由trade-record-one组成2 N [9 N0 B7 J Q
trade-record-one2 P7 l, Q% k; s
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录4 V/ ^/ C$ E d; k! z* {) k- ~
7 H! z; Y) q; U- A0 T
;;[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]]
. `( Z; f, `. Z9 p4 D) ptrade-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], t0 N0 s$ M" i. x2 U! ?$ Z( A
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
, G9 J: O! f- }; `! Mneighbor-total
, F. z; z, ?1 P2 g;;记录该turtle的邻居节点的数目% G _/ z0 ~! D( K4 x. V7 g# k2 a& v
trade-time
5 h7 g: y+ v6 `$ s! U;;当前发生交易的turtle的交易时间. G: L+ a# S7 c) [# \: c5 P, l0 u
appraise-give) c" c; J: E/ t% w
;;当前发生交易时给出的评价
% u7 S0 C8 Z G6 K% z/ J* jappraise-receive! m6 Y% s# O5 w) o5 F
;;当前发生交易时收到的评价- l1 ^# f# w! x' l9 |) A
appraise-time3 x W( F7 h9 {# B1 b
;;当前发生交易时的评价时间
$ _9 q3 q6 v9 C8 I" {2 Elocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
7 V% N: u3 @- R: }/ C1 Rtrade-times-total
/ k# c- \, P" [* I9 h;;与当前turtle的交易总次数
# A/ z& `! b- U3 f# H, ~. etrade-money-total
/ c, k6 V% x5 G# E;;与当前turtle的交易总金额
+ { ]$ w9 t, a# O* mlocal-reputation
! c7 d6 P% Y' h+ C9 w6 e3 Z) ~# Cglobal-reputation
# A1 w' x; X+ \; ~credibility
5 @7 \8 y0 }6 s6 ]( r' k! o$ y;;评价可信度,每次交易后都需要更新 p2 R$ r1 x8 B# p: B3 E
credibility-all
4 V) B. B# E9 a5 \3 N- l;;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% b* ~: M6 z* r) [ @* w+ b0 i' @# C
, L" d9 h: ]- {6 a2 Q
;;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- E- a0 d3 q% E& ? A
credibility-one
. a" u! G w' h# | T+ Z- 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
9 t9 d) Y: x) h1 Z( z: f- _2 w) wglobal-proportion
& K5 }) D9 `+ ^; O% \customer
3 ^* j. V, n2 U3 ~5 X& n( w, Rcustomer-no% E5 W2 M0 z' ^, d
trust-ok
" |& b5 [0 d# A0 R/ [+ B- d qtrade-record-one-len;;trade-record-one的长度: @+ I# P% j; E* [
]7 S" O) O* N5 d _( \
4 L1 L: V2 a) \3 _$ T4 d3 y
;;setup procedure
2 f. o5 [2 U& e* j' q& [6 u4 R+ L$ h8 Y& H$ s+ X/ ?
to setup" e5 G1 F N7 G) \
0 G" s& L$ n+ L& F$ F
ca: j5 C0 @# ~0 X& f' p8 I
+ R. Y6 [: W& W
initialize-settings
$ c, b! h& b" r0 T
1 @0 w" {; q6 j* i. ucrt people [setup-turtles]2 \; Z; s$ O; J- u( X; @1 ?
8 x9 T' L- a; [& ?reset-timer
" ]0 T! _$ H7 q( @% t; Y3 d6 Q1 r
poll-class# A+ d7 m/ N/ B2 x) K0 k
& o- u" ]5 D$ {- y" D* j; Qsetup-plots
6 V6 w2 E1 V* m+ U, D) D( \. C, f1 B" F' G. V; N" V
do-plots
, u. _5 z; v5 u$ g1 ?end
% T+ E9 w: y; S% K X: l/ q! Z, \* T! u+ H
to initialize-settings
1 S% i) F1 t. l# J$ b0 v# J+ G; u+ i3 o
set global-reputation-list []4 w: W @1 {: Q- _ M, [8 T9 M2 l
" T4 M/ h6 r( k* Y# H/ V% t, ~ z) uset credibility-list n-values people [0.5]
- J& G, g/ {1 G7 j. c5 N `
6 M" ~/ k" O! N1 Z' n0 g: \2 Xset honest-service 0( t- ~& u: O" r+ _9 U+ v* N" m3 N
- n A E7 a* w
set unhonest-service 0
: c, _6 r) S- I8 u; B7 i& |3 h
O3 @: d( F% ?, L$ V; N, X6 Eset oscillation 03 N! ]7 _: w. o. K3 Z1 P4 S6 c
5 P6 v) Q6 {2 N8 W5 I, x" B- Nset rand-dynamic 0
, }( W; B% u i+ }: ^end
% k; C- p6 E% y) F" @+ d, F1 Y2 ]% N5 l
to setup-turtles # \" w0 P& ]8 i3 a: E
set shape "person"
9 O D6 _$ C1 u, k1 csetxy random-xcor random-ycor$ h7 a0 T4 W6 d
set trade-record-one []6 B' L9 q1 N9 x5 V
7 [6 W9 V8 a1 Z1 {- fset trade-record-all n-values people [(list (? + 1) 0 0)]
9 M5 c: c" H; S6 v Y1 S) |5 y0 A, s8 I6 T4 H
set trade-record-current []. b4 ~! _7 D1 V
set credibility-receive []
( k* v/ X7 Q5 i, `0 Q% zset local-reputation 0.5; u0 u. B% {% h5 Y% h
set neighbor-total 0' d3 j4 w9 A( R3 r. V
set trade-times-total 0 r' D9 J! ?7 \& v/ F" c, _0 r* m' o
set trade-money-total 02 _: ]0 W8 f/ N9 j
set customer nobody# T( h S5 h# J
set credibility-all n-values people [creat-credibility]. M7 k8 |7 T J3 b* G, q7 j
set credibility n-values people [-1]) q8 e4 L/ i s0 {
get-color
! ~5 t/ [+ b" {$ C/ E" N4 Y. k q" q7 L. S
end, q" Q4 ~2 X+ [% C7 _/ S E- C
2 L l' k. M( z1 Wto-report creat-credibility
# c" q, F2 i2 ^. X2 |report n-values people [0.5]
" I. R5 H1 R, d+ u7 fend
3 ]. e' Q) J* R6 Z& J& H3 }& P G, w, K- f& g0 a
to setup-plots* {2 C% z5 e, V; F
( G2 U" Y7 p0 \5 Sset xmax 30
# b4 E/ Q2 E8 B6 j! y
7 L( ^" Z: A% ?! T, Z1 J9 W8 _set ymax 1.0
2 W- ?* @3 [7 j+ A6 Q9 O9 G% z; h* s% ^1 ^# |3 {
clear-all-plots$ [0 V' }% X" O# [4 O1 L1 F- e
( x3 Y6 L! ~6 l3 \# U
setup-plot1
5 T6 _' I; p. W! ~ u! u$ A
9 Y5 {6 F, W4 p, W4 [setup-plot25 {5 d9 \3 e; i: S4 U
4 Y4 U$ f' e6 `8 o$ r0 _1 }
setup-plot33 C' s$ W( H$ }8 }1 v8 B0 v0 u
end6 Q8 J$ a, }+ j c4 I
7 P) Q* o5 B) {! r" n. u7 _3 |! v
;;run time procedures2 s2 @5 q. ?0 W4 P$ S/ F4 b5 j& t
! K, C* z- p6 U- j a3 D) [3 [2 @
to go0 u2 J. E7 N* [% l1 `; n$ J% C
# B& R7 ~& s+ o9 iask turtles [do-business]
8 Y0 w4 {2 m" `end
0 b9 l. w+ M3 X. b8 M( k |. f) p' r6 x$ y) x
to do-business + ?: Y) U# }: m" m
0 {. {+ y3 @) C+ e; L- i% q# G: q2 K% P- h' ] t& r
rt random 360
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, E$ |1 r5 Y# L9 e, z x: V7 k) wfd 19 }4 q' f$ [0 ~) M
' g3 H! K4 Y3 rifelse(other turtles-here != nobody)[
* o8 J1 q+ q3 d. o/ L( Q v# x5 e8 U8 J! N
set customer one-of other turtles-here3 n( S- Z i( U
. C% z `: ]; x
;; set [customer] of customer myself
, o5 o* N/ V6 L Z8 L# t) R, R0 c2 t, b& T: O' W+ S
set [trade-record-one] of self item (([who] of customer) - 1)$ w: N& Y5 F. Q6 a4 R9 S
[trade-record-all]of self: H8 ~; F/ z7 p& }
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self) X6 U+ t' Y* I
% A3 S( u, P" p7 l
set [trade-record-one] of customer item (([who] of self) - 1)
8 Z$ M* ]; h: N% S% {& i[trade-record-all]of customer, ~8 \# W1 j$ s; ?
% L) F7 d# g- O# _8 g% y( a
set [trade-record-one-len] of self length [trade-record-one] of self6 P" H+ R# A: [; p0 ?) O
) h' A4 q* F; b
set trade-record-current( list (timer) (random money-upper-limit))
/ B) k! G! l+ J8 H( G
* T3 X( @/ |+ lask self [do-trust]
& Z( A# P% h" U; p4 `4 C;;先求i对j的信任度
8 x' V; G8 b! Q+ q) G
+ `' A* R4 w/ x3 }! Lif ([trust-ok] of self)! y( G. J: a3 {% E
;;根据i对j的信任度来决定是否与j进行交易[% E$ p1 }- [. ~" H; ?
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself. o$ B j3 _$ p: j2 w
$ c/ L3 q; E7 Y3 n% b% V4 Z
[3 Z. T) d- |( t5 f; i( L2 o) S
- C5 U/ J' \6 p0 k# @! s! M0 Q ?( Udo-trade
: G' v" a: x! ]/ r1 _ t) ?/ g) S3 ` O- d9 \* B$ s$ c
update-credibility-ijl; H: M4 s" F. C+ ]7 a' g7 M4 O- G
8 @; N4 |9 [9 l. s8 j7 \update-credibility-list
9 b. y1 ^: f" s7 U
& W: |: M* g. P: H' z$ ]) E% h o% a. T' _4 Q/ ~
update-global-reputation-list
" y. A! f# c7 v: C+ p
0 ?- H( g2 b0 z4 t% }, K) ?poll-class" G r2 B9 @/ E) P
5 z# r1 }: g7 G* r0 N6 W) X5 Pget-color
# n( |* P6 x6 l' {& g8 Q$ u6 D3 j+ V1 T
]]
" ] @$ @6 W5 A( D& Q: y F2 X3 }& Y, B8 o6 _- m1 d. T4 y. M
;;如果所得的信任度满足条件,则进行交易+ [( t( h3 T7 P: p4 N
+ B7 v) g% C, b4 E
[
" l/ H. w W, F o2 { U
) c, X- y2 ~" g' m, P6 T" `' Ert random 360+ b0 }: {' _+ L* K0 M2 } C
. i) u% a& ~7 N: @$ W
fd 1
, \. A" W/ R) E' \3 p
' L m' T) H A& o* y$ x, @/ x]
3 M! U' u# z' ~1 g: K
) _1 }/ P# Z1 B3 @6 F9 W8 aend' c: k9 F% W% N4 K8 `
5 \- H- A8 U- @7 C, lto do-trust : c+ b9 O% t0 c# T% m% U
set trust-ok False1 x8 p2 I9 Z; W" a5 ]4 i. n: o5 _8 z
5 `8 p+ U, O' j* J6 J
; F) j0 o. L! Y9 J K9 v8 }8 v# ]let max-trade-times 0; G! y) t# z$ T- j* ?" H
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]6 E) p7 X, O7 `- t% W
let max-trade-money 09 z2 ^; v R% W0 W( `6 U7 q3 p
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
1 t' ]' b; ?+ w0 slet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
; W& h6 @4 r0 f( M1 X' N
6 I: p3 s' h( ]1 o7 z" A( a+ b8 S1 c( Z; X, Z
get-global-proportion2 G- N& y( e+ b6 k/ e: D
let trust-value
+ Y5 I8 X$ ?# U. A6 ]( ^! Y7 Vlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
$ L. t! a# V8 z8 |, t, W% G* Sif(trust-value > trade-trust-value)/ K& _! d k, q6 v) V
[set trust-ok true]
1 ^) n) c0 f" L1 Xend2 o5 o# d& v2 X: y6 f9 M
( u* {: u' j5 u3 Q0 e! m* b- Tto get-global-proportion, q2 `; e' ` G4 t4 A6 D
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
" V6 }- O, W7 {[set global-proportion 0]* ~; i6 G% g* E% Z
[let i 0
( y4 K0 u5 z( B' }! Glet sum-money 0( W: X2 {! }9 ^# O C$ a
while[ i < people]
1 i4 Q$ G- H) m1 K[
9 f( J' u+ R: T8 d3 u: Eif( length (item i5 ]+ G' P8 u: x) _( F5 `
[trade-record-all] of customer) > 3 )
( Z+ p0 A1 r4 ^( ~9 _+ L2 W[
* I' h0 C$ [( _' I' T% K- l: mset sum-money (sum-money + item 2(item i [trade-record-all] of myself))0 j! u9 y0 P8 _
]7 N# S3 G2 ?0 A/ V
]
: y! v9 l0 d' |8 Q D6 f: wlet j 0, X# o- W2 @( Y( Y+ K# B
let note 06 I/ M+ y T2 r6 F
while[ j < people]
6 O& E' ~% m% ?/ N7 Y! Q[ B+ l. B; w* L4 e
if( length (item i
. E6 ~& N: [, i+ q: T% X[trade-record-all] of customer) > 3 )
" ?; Z1 Q4 D% ]* E3 o6 y i[
; {9 S4 w2 ^2 J7 I4 U2 w" y8 P6 {7 s0 fifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)$ s7 ]- F" z7 ^- |
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
, z1 B* R7 G2 y6 ?+ ^5 s5 I* R4 h9 b/ s& {[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]5 s7 W$ c! r( _! j4 f$ g) ?/ o+ O @- V
]1 d( v, ?' v8 q% A
]8 z; X" L0 @- h0 a* y3 R% S
set global-proportion note
2 l- _0 E; d3 X' M]( z& o# W- D A3 v
end4 x w- M7 j+ |' D9 V% |
6 |0 h6 N4 u5 E0 l
to do-trade, `% B' D) s. f7 }1 T: f( Z
;;这个过程实际上是给双方作出评价的过程: \3 D K. A l1 S! ?
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
% g6 B3 B4 L$ @6 b6 sset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
( {4 L) s; m% m6 U) cset trade-record-current lput(timer) trade-record-current; D; L( |' y; L7 r
;;评价时间
# o# r$ _; e3 N3 W3 {ask myself [
2 g# q! j$ u9 c8 Rupdate-local-reputation
" `: B* Q7 {. [9 R$ Dset trade-record-current lput([local-reputation] of myself) trade-record-current
# P! y$ Y- c8 }- s" B' S" []# D N" J: P! f C! l0 B; z: r. N
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself7 @6 v. V8 _' K
;;将此次交易的记录加入到trade-record-one中
9 J; d& l' }$ w/ Y, X5 p0 Uset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
* C' f! R& R& g0 V& ilet note (item 2 trade-record-current )8 H9 q: x6 P& X
set trade-record-current
c, o9 s- @" f: v(replace-item 2 trade-record-current (item 3 trade-record-current))
* r* Y' \! `: W2 v, I. d+ d, Y8 Aset trade-record-current
+ k0 E. w4 A; H; G5 Q1 j" r# z(replace-item 3 trade-record-current note)
+ m7 a( |# d/ `7 f; U; T } u
S, a7 s4 ?% t! r2 D: p
! _, |' B. z0 f4 ?1 [9 h4 m' {ask customer [. b0 N7 w2 Q5 ^5 A; e
update-local-reputation
# Y( o' Z1 b+ k3 Q) P* n. Tset trade-record-current
1 ]/ |% I/ R2 a3 C6 E0 q$ [" _$ u(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 5 ]9 K; V* y; K z4 d0 D8 _1 c( a
]9 V5 x0 n, C. v7 D$ ]5 A
2 m* H' D$ t9 B; V7 f0 O
3 Q# k. c( W+ h# B- p
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
; P/ @# X A4 E7 d1 { B& u
6 C k* O. b8 p9 H5 aset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
" `: q+ J( m7 L9 H;;将此次交易的记录加入到customer的trade-record-all中, l9 C# v% n: r# M
end
- s3 i6 R* U: I" N: ^5 n e; S# ^( W# {0 u6 H2 A: n/ U$ Q
to update-local-reputation
& V# R+ w; c5 Y1 j+ y7 k! j( Q6 fset [trade-record-one-len] of myself length [trade-record-one] of myself
9 k; G& K) V" O5 Y& E/ @8 ]3 c. n5 i: ]
X4 z- i( d, e3 ]5 b6 T1 `2 H;;if [trade-record-one-len] of myself > 3 - N2 L; V3 Z0 c9 z' u
update-neighbor-total% _ Q; g9 w+ P A8 H" f7 u
;;更新邻居节点的数目,在此进行" B$ u) F/ o( P' _ \7 [& Q# J" m
let i 3
+ d5 S$ q. `2 H; b9 }1 E4 Wlet sum-time 02 e! b# A$ b/ m4 J& i
while[i < [trade-record-one-len] of myself]7 y9 H, l- l* Y
[8 |0 l. x4 o% K! Z8 P% I
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )/ r/ M& ` N' r* L+ z- ^
set i
1 T1 [" K& N! E; C( i + 1)/ v2 x# n1 q* b& C4 `5 @3 ]2 p
] {" b( i7 F' X/ v/ o+ h6 G
let j 3
3 m) L" u9 M. i* ]6 O, d1 o$ M; x; t! Llet sum-money 0& j$ q( h7 T) q& N: J
while[j < [trade-record-one-len] of myself]
; ~# r6 C- |2 Z5 A[
- j2 y! v4 i! ~& kset 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 p) _7 Z9 N D; q) x- G. [set j$ @5 f& ` h5 w
( j + 1): g; m S, h- S. g
]; Q( i- b" r, Y+ a0 V/ C
let k 30 `+ t- `% X# W4 e, ?: z
let power 0
1 u) ]! ~" H% Y4 k2 V2 {let local 0
- \1 l) O* d- twhile [k <[trade-record-one-len] of myself]
( d0 S2 k7 J: }: ] N[
1 o- r }/ ~, S, @/ nset 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) . k v7 |; S+ y8 w, q
set k (k + 1)
( F* Y7 J+ H' X/ }! U []
( e8 {- ^4 F) d+ K8 }set [local-reputation] of myself (local)
" z% v. E2 Z' ]) |% q4 n& aend' R( ~' I9 H4 C* N+ m0 b+ T5 a
9 n) r' Y% r/ Y a( C. ?
to update-neighbor-total
/ |' ]0 ]/ T8 n- {6 ~$ Q6 p% I; w8 q+ W6 [; I! w! H
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]4 @+ [1 ^* D" \6 b) }9 }3 I6 ~% ?
& I% u$ r8 J5 m2 C8 l0 F8 }1 w& f7 }
end; G/ a4 v4 u e
, ^3 `8 r" |# B! F* F$ H
to update-credibility-ijl - ~4 |' W' o+ \6 H
- ^! q7 a- m" _/ u# 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。
. E& a6 B6 F' z" Y D; b' Y+ B0 Nlet l 0' e/ _/ w) W W6 ^8 K7 f1 @# o
while[ l < people ]
$ N% E2 e/ z* ]- t;;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
% T6 Y. ]3 t4 e( n x+ E. Z$ N8 ~3 O[
( Y8 A7 d4 o# b4 e+ Glet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
. X1 p& M/ o0 v" u* Iif (trade-record-one-j-l-len > 3)9 n' H9 R* a; X
[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
( e3 ^$ @& |% |" nlet i 3
& Y) I. O0 |3 U+ Q2 h! q& Wlet sum-time 00 k2 g1 I7 J. h9 f3 u8 t! Q! v
while[i < trade-record-one-len]
' Q' U3 s! {, G" ~1 g+ X: y[
! ?" s0 x; S; D- e$ ^& b5 }set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
% x' j, N; ]' \% C; o6 @+ Nset i. B4 o/ \: T8 |
( i + 1)4 b7 W! h) W8 V) S, {
]8 i3 J3 d/ t3 }' E# b" i
let credibility-i-j-l 01 E6 s8 j6 g, g' x, u# {( z2 u& x: K
;;i评价(j对jl的评价)
+ @% N% }. |7 i0 j8 T6 k1 u9 Y: ?let j 3# j9 L, L' ]# x7 P* [$ @( W4 N
let k 4
" m0 s9 n2 w3 V4 ^while[j < trade-record-one-len]
7 T' q; r3 Q0 G( \7 s; K[, n2 P+ v5 d p
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9 R0 T5 }" ~+ S; c
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)' A% J0 E# ?4 F) y" y
set j
) s% m% d" Z* }* r. N) M( j + 1)
$ X) Z6 J6 R$ [ S& Z]8 C2 U4 k! ~" x' c+ j/ F4 Q
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 ))! L" u6 I8 i6 R- @
* u) L( r4 n( I" N5 g* G4 U
+ s* z1 N* C. k, D- c3 j
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
, d8 {7 v3 b# V- s' ~/ ^;;及时更新i对l的评价质量的评价! s6 K" v; I; j
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]. _" V. i- s0 d) U& i9 n% }
set l (l + 1)
$ B, W) B# B2 V) x' e9 {5 J]
, a' }: t( t7 O9 Jend
3 j. f! U# J2 T: }$ q% i$ M
3 K7 a2 A+ Q- Tto update-credibility-list6 @0 Z0 r N/ c: X; @
let i 07 m& l3 n! @5 w
while[i < people]
/ ?$ a" g. R# I V; R& L[! ~' L0 c6 W% T& w3 _9 u
let j 0' S5 m+ E$ P6 E: a! n
let note 0
; e! W3 R. C$ M8 N& j, b* A' elet k 09 R1 u% A9 c& T) E/ D$ P& i
;;计作出过评价的邻居节点的数目
; p% @+ _. t3 V5 Nwhile[j < people]) v: A x5 y8 u1 f% d; a9 f
[
! A: S6 u' K$ f0 N Vif (item j( [credibility] of turtle (i + 1)) != -1)
, x& p' R8 S- |6 x;;判断是否给本turtle的评价质量做出过评价的节点# X0 I" h8 i; C! R o, |
[set note (note + item j ([credibility]of turtle (i + 1)))
; }* m9 O v Y$ j! B;;*(exp (-(people - 2)))/(people - 2))]
- {' I6 ~* z, n1 }+ vset k (k + 1)7 g1 U: c7 W; C5 `' Z0 F' z1 D5 K
]
* S2 j# s9 m) eset j (j + 1)
& O k3 a* u; N: T" [0 i]7 d; v- h8 n: @8 n" W3 |# I
set note (note *(exp (- (1 / k)))/ k)
4 U, q( z- O8 N! F5 T( Fset credibility-list (replace-item i credibility-list note)/ E! ^! D$ `2 S" [/ C1 o: a1 u( k
set i (i + 1)' \! m& S" m; f0 d8 \
]
$ o0 c* E3 m# c) Yend8 K: u: L/ D3 i, ?" N
1 q" `9 `( q- C F1 Z4 ato update-global-reputation-list
: b# s L% J. X/ Q9 n5 Vlet j 0/ T5 b2 Q* _* b) O: f3 \
while[j < people]
6 b& Q* \2 f0 w: K! G: e: T[2 m$ `% j8 t4 S F
let new 0
, q1 r0 y$ p/ e4 r" M! H$ C;;暂存新的一个全局声誉' B4 q% D; \+ l9 c6 R G
let i 00 o$ D( Q9 D0 r- i4 p1 ~* D
let sum-money 0
( z) }3 A- w: E) e5 I" Alet credibility-money 0" j. [9 ^# \: Z! y. @, b
while [i < people]( E5 t. x; k; k7 t* `3 X
[3 h3 K/ O/ U6 H+ S; y9 J
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))% t' n! l! k( q M% ^% \& e
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
: E8 q; c9 [/ y8 r: qset i (i + 1)
+ n+ t' h3 l; B0 L]
* _, S4 J( T( d) ~let k 0+ t$ y. D7 Q P9 H o
let new1 0; |8 [/ G A* X& O1 K# a' n
while [k < people]6 Z0 y0 q5 j% [6 L3 g+ L
[
' e4 h- t) q/ a& g, y. y, lset 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)8 v2 P4 Z; H9 O. u8 g5 g8 f. ^: h
set k (k + 1)
- j: k; O4 j1 ~& s7 ~9 f* E]6 K; P* r' _3 X
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) : Q* e$ v: }: b" n/ q. ]' v v
set global-reputation-list (replace-item j global-reputation-list new)
/ F' D. B1 S: |set j (j + 1); ?, B- I/ g; k& M& |
]
4 O$ f/ T% N9 {) x. x5 `6 Z$ E! a. qend
" U" z% d2 p/ }1 s( i) ^. J. R7 C6 e7 Y6 Q
: z' _! m3 J" \2 d6 l6 G/ n$ g5 l$ q. z& a' z. Z4 K/ H3 P
to get-color
) Z( c* o# f6 I4 b* M4 z9 T, t/ `- d l6 C+ C% ?% O
set color blue6 I! e3 ^2 u Z
end: A$ q- q0 R% @2 g/ F' N
6 a; G; i7 E: u* B
to poll-class5 z0 {0 D- m7 ~7 Q
end4 D. U" @9 r( U: k5 z# U
( J3 T8 P/ d; t: R/ A& F/ Q ^& Q
to setup-plot1
) g) U0 p8 ~7 M6 H0 Y
2 E& r+ C9 V6 a' L6 Q. k8 Wset-current-plot "Trends-of-Local-reputation"
& }8 N* S# ^6 R- d0 g1 X" p1 i a2 x( q" p' |+ w' ]
set-plot-x-range 0 xmax4 y8 L& w" h! v# n4 W
; ~% a* Y" Z- k a8 v D4 L" e
set-plot-y-range 0.0 ymax8 d6 f* K& H3 b3 c! n4 X
end
# |* d$ _' a- V7 R" d- k7 T# S J- d- M
to setup-plot29 ?* [5 t3 t0 }8 L
9 a6 B; \4 s( d: cset-current-plot "Trends-of-global-reputation"
+ Y, v5 E$ H: {* N8 C, k m9 M5 v9 k+ ^, u9 y, ~2 c# S
set-plot-x-range 0 xmax8 f: Z' {/ |8 d
9 W( c( s( z- C1 Vset-plot-y-range 0.0 ymax
( N6 o \0 p, Lend
9 b0 F c! F# m. f2 z4 f o7 L2 Z% t% s
to setup-plot3
; P" q4 q. W8 |4 Z* G9 _ x; u& H2 k1 b7 V% p% c& c
set-current-plot "Trends-of-credibility"
( s' d. U* d( F) [- O K8 L2 t/ H- o
set-plot-x-range 0 xmax1 ~* ?0 U4 A0 V" o4 r
" B K j+ {; B8 F: A
set-plot-y-range 0.0 ymax. M9 i: R9 K) W4 m
end
4 O& I, w: ?; Y" U, p) T- f' W4 s0 z
to do-plots M3 F1 X( @6 b \) ^: U5 u& ~
set-current-plot "Trends-of-Local-reputation"
9 z5 B: S7 Q6 V- k$ ]set-current-plot-pen "Honest service"
/ P( ^2 p3 n5 M, m7 Send2 D+ T5 Z# S/ G" J
3 a {2 y- G* l0 c% l$ u
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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