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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! N. Q2 E) i @2 |6 j
globals[+ O6 F. W" o" c7 ~0 O' ~
xmax
( d# ?, H! e1 M1 ]- ^ymax. c2 c( M* G/ S9 B% r: S- O: m
global-reputation-list4 Y; m' U! a* j w$ M
# S) l( \( [, F9 H) N0 i# d: d;;每一个turtle的全局声誉都存在此LIST中
4 c4 h4 a* n0 y1 V. Bcredibility-list
4 _+ z. a; V* H! k( O. ~$ ~;;每一个turtle的评价可信度1 { ` b* g$ H4 n( T
honest-service
/ `0 Q$ {1 y- j E+ Zunhonest-service
9 J3 j+ _9 U2 i( }1 Woscillation
: G- W9 C. x4 `4 ?( Srand-dynamic
4 _# ^) f: n0 `' h]$ Z. m$ ?- }) \" ?4 d- ~" p
. G7 N# a6 f; M9 c/ P
turtles-own[
1 d( s; o O+ _trade-record-all
% B+ d8 b6 b3 [* k1 w4 D5 j;;a list of lists,由trade-record-one组成- i' e7 U% H4 k5 o- l
trade-record-one
* f z' F9 |* S$ f+ u, _/ o;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录6 p" G2 @+ }$ c) T# Y
! H6 E1 e2 F* U% v x4 k% @% x
;;[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]]
/ ?7 G; I* G% Ttrade-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]
1 o1 N3 i( ]: }* {8 P1 |3 Ycredibility-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 b5 z; f& G& o8 I
neighbor-total7 z9 { M& m* R1 B6 S/ @ V h3 z
;;记录该turtle的邻居节点的数目
8 f+ c* X' V! M3 j8 j6 a* qtrade-time
& k: U7 X# g9 y5 X/ @6 D;;当前发生交易的turtle的交易时间0 G* l6 o( h0 J M# v( ?
appraise-give o% l6 v8 m+ r
;;当前发生交易时给出的评价
* K/ j& j% [' ?8 ~1 Z" J/ U" J- Q9 zappraise-receive
' n1 L; Z, W$ \& N9 [1 u;;当前发生交易时收到的评价' M4 E0 ^2 x6 _; f% c& ^' f
appraise-time8 Z2 t8 _" A8 I9 ?( W; Q
;;当前发生交易时的评价时间9 I2 F' g2 k* \ l, g
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
$ e* y# \; i1 F* Itrade-times-total
# o* a8 z- M' H;;与当前turtle的交易总次数2 F; n3 X' F% {, b% N
trade-money-total
& _, }3 {; i" ~$ I) W8 B;;与当前turtle的交易总金额+ }9 f; u9 ?3 `9 m' \( Q: h/ q% C
local-reputation0 G; e( n3 I/ F5 C0 W3 N3 U& _
global-reputation4 ]3 m+ [' x. w. P$ \ o9 J
credibility8 {" Q# y | W0 m0 z
;;评价可信度,每次交易后都需要更新
" N3 v1 A8 R7 x2 Fcredibility-all2 C2 d1 ~) v% b
;;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2 s' M5 V# y( C
7 l4 M& e$ o) c2 p% K, }$ P;;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, p/ _' X" z$ I1 T: K
credibility-one
6 l' r. N9 t) _* L/ y$ d;;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# Q/ T; k- J0 [6 @% q. q2 c
global-proportion
/ F1 @4 v" I4 N" \/ Bcustomer
& R1 V/ H$ X# y9 _, n* n# dcustomer-no
* L" g( D% |$ w+ @) ?7 \9 Strust-ok9 v) a' s; F8 q* O
trade-record-one-len;;trade-record-one的长度( ]1 d7 X. ?, U& f l/ X7 Z# g$ Z
]
: W* Q( l. ?) e$ Y: `8 W* \
- l0 \0 p8 n J% I;;setup procedure" g8 @( }5 L% U) t
' ~: D/ U% h8 L7 fto setup
4 Y% g2 v$ k+ @$ T+ v' ?+ k7 C1 f% C n6 j
ca
4 x2 q. M6 E r. P
6 k8 B4 [$ O q4 c% ginitialize-settings
* a. p3 T V4 f# R6 m4 O
+ N) t( O* o9 v, c) T- e0 Wcrt people [setup-turtles]7 n' ~- L: \6 A: m# N
) |5 g0 t3 J( T- k
reset-timer6 [- S: H/ j6 N) A% Z+ U
1 v8 `3 J# Y3 ]# M9 m3 |+ t7 Spoll-class( {& M; T+ f. v" u8 U6 }5 I' r
5 }* F, H |4 [3 y# _1 B
setup-plots
3 j) }! v$ t( v6 R. Y0 O9 X* a* C+ |- ?, J
do-plots
% |* _( D% o- d5 Aend
/ o2 |1 ~6 \: w' H
8 [& t8 b }' d7 G, pto initialize-settings
# ^( j N, q4 X3 i& ] Q" z8 b* ^; d% v+ Z
set global-reputation-list []
7 d, p1 [* I( R6 _
2 S3 U1 d1 o. oset credibility-list n-values people [0.5]% M6 T4 i# _7 b; u2 x
$ t& y! K) b8 v
set honest-service 0/ z$ W6 K' d8 R1 S
" Z( e. K$ Z" X& X* D* |set unhonest-service 0
: [* \3 q& M0 C5 Y s
5 Y( i7 X3 W( _/ F7 \+ S* W# h7 {set oscillation 0, {" E' T. O. W* Q
2 o; W, o0 H+ W
set rand-dynamic 0
5 h8 {: g' `4 X2 y& Eend# @& h* n* I, N) _1 X* W. o
& a& ?. E' V. |, \9 E, E$ W! T& O
to setup-turtles . g4 T& t# A5 k- ~5 U$ b) w+ D
set shape "person"
6 N! M* u# Q5 Rsetxy random-xcor random-ycor
% o9 x. [" ~* f; k( L' c2 r# `9 j4 Pset trade-record-one []
4 I, B0 d9 o+ `' q: B- ]1 _' f8 L1 v$ E+ U# ]
set trade-record-all n-values people [(list (? + 1) 0 0)] % S3 f- _$ e$ h/ V* w
' c4 ~4 M2 V* J2 T# c* y# Bset trade-record-current []
- G; M/ n) L' o+ f* n# @set credibility-receive []
/ S. a/ j' j9 L$ z( pset local-reputation 0.5
- W4 G- s0 Z8 T+ B$ H; Bset neighbor-total 0! e5 I1 T3 w8 S" T
set trade-times-total 0
$ L% I! W8 V3 i( B# \2 U8 d. G& sset trade-money-total 0! K: N* S8 ?5 X, Z
set customer nobody
" y- P. m/ R, y6 x( Xset credibility-all n-values people [creat-credibility]: m3 k* n7 W8 \' M7 @/ T
set credibility n-values people [-1]
/ K. F4 a+ }( e1 ]% T; C' A) Qget-color5 l7 ^* h( H% X$ Q" Y8 h! _
$ t3 p: M8 V ^ E9 q
end' k; p- i- g" D5 V. |7 h
4 }5 O8 n: \3 y9 A9 g" S
to-report creat-credibility
4 H( J2 W* L& H6 n8 freport n-values people [0.5]$ P9 [, a" m3 @& _
end- o1 M5 [9 x$ i0 }& s
5 J$ h9 k1 k& S( Jto setup-plots
8 N7 }) }9 c, p2 `3 Q/ {' ]3 k
, Z( h7 M b& h: C5 Tset xmax 30
6 r. K, E% {: Z- B' h4 e. H( q' E
2 n7 Q. @! U6 a4 q5 [set ymax 1.0
/ w; [9 @. \! O6 @8 ^; V$ r, X1 l' j0 U7 W: {9 m* R! a4 Y
clear-all-plots
0 i. [% d8 `+ G1 ` x5 j
' `# B9 V9 k* E% o9 dsetup-plot1
8 C. h/ C( J0 _$ G4 @1 [8 L
j/ M0 c2 _1 Esetup-plot28 F' M# Z" H6 p9 v; n
) [) t; ?4 ~% r9 d. ^setup-plot37 Q! K+ g6 q0 i
end
0 a, E y) l+ \: w1 ~+ H1 j) p0 P' F9 j7 f3 b( F
;;run time procedures: U1 ~2 y* n+ ^' c) D; J/ N
4 {' ?. [- M7 x9 x
to go5 x( m; m( q3 T( ?5 s
: W8 h; v! ?* W7 t0 `9 Z9 Z( Cask turtles [do-business]
( M2 t" r- H3 I xend
; N+ k6 _( K2 `9 ?- E4 U8 ]. ]8 b+ n9 R2 o4 M/ \
to do-business
: G- p+ e3 `- d- H( `3 F2 P
$ A2 }) W- I, I5 ]. S7 j" H4 \5 v4 l2 p) R" G
rt random 360
* l [2 @% X% i: i& @
3 \4 H7 d4 j* n ]fd 1
7 v& \0 r1 |8 X7 n+ }" ?% [' \: f2 ]" v8 J5 p J
ifelse(other turtles-here != nobody)[* K; v% ?( m( E7 ~ j$ y
( d4 `& I$ z6 ^ Q, F, pset customer one-of other turtles-here* i* c" Y: s2 U8 b4 n! E# x O
, K3 r7 q: W$ o. d3 ^
;; set [customer] of customer myself/ r/ o" o8 y& }- X4 u
' u8 S+ ^3 @: ], R7 X
set [trade-record-one] of self item (([who] of customer) - 1)
6 L3 x7 s! R/ b' e0 C" H! c[trade-record-all]of self
+ ^4 A2 C' R& p( s;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self& k9 u( L% l l3 |# n- B, @; R
" {! F( {! t& o7 c( k5 rset [trade-record-one] of customer item (([who] of self) - 1)' z5 B( p; X o R7 r4 y9 b, Q$ n
[trade-record-all]of customer& {# @' E; L4 S
& A2 o U; d# A) Uset [trade-record-one-len] of self length [trade-record-one] of self
4 }8 N1 u! P. t. ^7 o" j5 s. O7 @& U: X! [; b
set trade-record-current( list (timer) (random money-upper-limit))
* t- [: U9 m8 h0 g. ?1 d6 S# \
0 {: J, x8 g2 e& q9 eask self [do-trust], U+ c) `, T W! x+ [8 v
;;先求i对j的信任度& {+ G( Q7 T. i. `+ }7 l0 I7 H
( C! I5 H8 z9 H; T7 b. a
if ([trust-ok] of self)% ] E& I: H4 _" s7 ]8 ?
;;根据i对j的信任度来决定是否与j进行交易[
7 F7 R& y" F' S6 U; A6 F! L6 zask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself. i2 I) s7 k# J% ?" b5 y# }
3 |* F y# b; h1 [0 N1 ?- K[4 V7 R& B' j, i7 Y) y
" G/ ?) m: A$ Y' [
do-trade( D2 F& h! ^ s/ ?( q' L/ A' l5 Y) U
, g" h, A% F4 l/ p& ?& S1 T
update-credibility-ijl6 j5 C6 `) b# R4 \: {& W
; Q0 T* K; [: Z& b+ @$ k9 N2 supdate-credibility-list# |) [; f+ M, X; q5 O& l
5 C, |5 {% Q/ h& N& U' g. W0 Y' a# d* d9 I1 E) _, Y
update-global-reputation-list, l; j( W: [9 U5 o+ ]' ?8 R6 P
& ~+ T& s# }, Q, e$ l N7 Ypoll-class
( g0 p8 h& F' s9 M, b2 a9 z- ~# Y& c( o% Y' v& _7 O$ @9 M% W' y
get-color
/ R8 m* c N+ k7 k6 y9 h: d
5 e; _8 R2 n" w2 _9 n; @6 x]]0 _$ g' a! m/ E' Y4 f, j: c
, F @0 s: p. s;;如果所得的信任度满足条件,则进行交易) B; L& J- T8 Y* [% d3 N
- y7 _" z8 v) Q7 ][
# C2 w, K0 _ o# U `* [' J( Z( T R
rt random 360" F% a! L. @' h7 M0 d
9 j9 C/ U' M* V' }
fd 1; v! j" B- F! Y+ j
; E4 |3 k/ F1 V) m2 |( b]
* w. _' z$ b9 _; ?6 p9 @, P8 ]: [+ b5 t! }& v; C8 P
end
+ o0 V& ^$ y" v; v+ k7 p9 R! I f5 o- H
to do-trust
0 t, h7 J& E. jset trust-ok False" q% {9 B$ }. i/ d0 u q4 e
0 A& t5 g" f" z! H. ?9 B/ @3 l- U; U' s3 p: N9 G6 h( ?
let max-trade-times 0, Q! H3 e9 g0 \3 H# U+ P
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
# \. Q$ X8 K" Jlet max-trade-money 0
& w9 a% p$ F& b% }foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]% _9 ^9 w" i9 w ^+ f3 Y
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)): k' \) V$ p4 r5 b
8 V( t; P; `. j. [: {9 p: V, u+ u( t( R4 u# G
get-global-proportion
$ F9 s/ ?; x; w) Vlet trust-value
! }" _; w5 k. {6 q6 {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)' f+ }5 I6 y+ ~. B" ~6 S, ^0 ~
if(trust-value > trade-trust-value)# G2 m4 R9 G& R6 p" ^ w$ Y! @, n
[set trust-ok true]& R+ `+ n7 n5 Z% [4 }8 B1 q, j4 `: @- ]
end+ V* p1 Q9 |! U# @( R5 U2 M
/ M; M- R0 G7 I: C4 o9 k1 B- @: q
to get-global-proportion
$ c5 L2 _, K9 r eifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
# k9 }3 Q' E# `9 z2 l* ], w4 U[set global-proportion 0]
( H8 n. I" S; P* c5 b( K2 _[let i 0
2 S% J% {. ^2 b& m: P1 zlet sum-money 0
; n) ]8 ^4 k* V4 l. P; \+ twhile[ i < people]
' l3 B7 I* {0 S3 ?+ d/ X; \[
. a$ Y% h! ]1 C! gif( length (item i8 A0 G \8 ~5 f: n+ [
[trade-record-all] of customer) > 3 )
6 ?9 O: t, S/ [- P$ ][3 {( `' X' O; M1 i
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
7 l7 k( n& I' \: f/ Z' J F]: g6 S8 I" D( H% K
]" M6 e v) C3 p' U
let j 0 c* B) x$ e% e
let note 0% h! ^, R! C1 I5 ^4 I; B0 s
while[ j < people]2 r" q) o/ X: z- F k
[$ d, }1 S' ?$ Y& J" d3 Z( V- F
if( length (item i
2 P' q3 ?, ~9 N# l3 _6 M[trade-record-all] of customer) > 3 )( R$ d* v& |9 E) T- U
[
3 H2 u4 Z; X* f7 S$ P( p: Difelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
3 c! g C$ P9 i6 ~5 S- Z[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]1 }/ l- I. X' f |; _
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
E2 u1 B' @& {% |% K) h]. O) l h2 E9 a6 _9 y: ^+ G
]
8 r' v9 t' `$ Gset global-proportion note0 u2 w2 X, J' s% {
]
! T) L9 U: p& X+ wend7 r9 {0 r- u p/ |, Y
$ f5 t' f, }4 S9 F4 i! M
to do-trade
( e" E- o( g1 C* l;;这个过程实际上是给双方作出评价的过程
8 V" y9 Q/ O4 m; U' T( f8 ?1 N6 u( @set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价) g1 o& x- J" M& Z0 q$ E& S7 d
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
0 Z1 a: Z! D: `% Pset trade-record-current lput(timer) trade-record-current, k( F5 F. r2 P+ s
;;评价时间
" v; v7 ], c7 u; s9 p! [ask myself [
! P; y) T; O, O. P) j7 j, Uupdate-local-reputation( A( D2 d' j$ r. g
set trade-record-current lput([local-reputation] of myself) trade-record-current
4 V# O& D- i: l/ Z4 Y. D]
0 u3 s, t* t+ A( J6 R/ Tset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself, h+ ?/ {* Y+ Y4 E8 Y' B4 W
;;将此次交易的记录加入到trade-record-one中$ x$ ]" w: y X; X
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
5 E3 I5 K2 Z8 z0 _) tlet note (item 2 trade-record-current )3 j- G. V8 F1 J. {# ~2 r# |4 o
set trade-record-current6 P2 w! i2 R2 @# y# j M
(replace-item 2 trade-record-current (item 3 trade-record-current))3 c; ~! W6 C6 E4 r' b
set trade-record-current
; g! D- x7 o! [8 \- X$ [/ n(replace-item 3 trade-record-current note)6 ~4 e4 ?4 n5 f/ V
8 j! [; b" B F) Q0 H
2 P& _0 f) D$ A2 G/ I& E) H3 uask customer [/ ^1 j: z7 t7 g# C+ L- \- {
update-local-reputation8 A5 v, H( T# f( Q$ S3 \" m) A
set trade-record-current/ ~8 F2 j" [; \( z* f
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
* f7 \" @9 u$ k5 B& q) V. }6 ^]# ~; t6 B) A! e c/ C8 I* x
" S; A. m3 w# R9 G m ^
4 J$ ^% N! b" ~" I; S) Oset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer/ \2 D& r# N) j3 q" i+ D
) e4 T7 @0 y! @8 f- V8 h0 K
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
; S5 g" h& A+ G6 O9 A/ M;;将此次交易的记录加入到customer的trade-record-all中
Z& `4 K- [) V% Vend
$ l4 `+ ^- {; V' z4 p: O
0 U/ i" a7 i; w* m! Y, [5 `to update-local-reputation: @4 e: H/ D/ [9 s, F5 i. x
set [trade-record-one-len] of myself length [trade-record-one] of myself; o2 W8 D' X% X) @
) O* O( [" ~7 \* T/ ]- e
7 @: ]4 y, _1 K;;if [trade-record-one-len] of myself > 3
/ a H- N1 f' Aupdate-neighbor-total
0 { @* g7 T! c. y9 ];;更新邻居节点的数目,在此进行
0 G( L. x! o( [0 F# Qlet i 3
' Y* j2 T( J; b* tlet sum-time 0
- L) u ?4 {; {+ a) qwhile[i < [trade-record-one-len] of myself]" ~# p% D' B9 j6 V) S8 V
[
. }- A* S7 t8 a' J& n+ ^+ Bset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
- g4 L* c/ a, n6 i6 S" Fset i- U7 |6 U8 `, w7 o1 Y f& s. u
( i + 1)" \3 F# D7 D% [" p' m. P0 R
]
; t: o- Z2 ^* K- _ f/ y G* a5 llet j 39 Q; l. t; { C8 p
let sum-money 0
) w. N0 A, m+ Z- N$ u4 l4 \while[j < [trade-record-one-len] of myself]
8 A5 [+ i8 N4 S/ F6 K# n[( G4 N6 T, z0 E6 q( H7 n
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)" }" R9 s6 E$ G. V
set j
; J W4 ]$ t0 X2 ^1 a( j + 1)
" h0 ~4 |; m4 o- b# f]* N" D0 C/ q. F
let k 3* {8 q( A w) l
let power 0
# f. O9 X! m. L: |" C8 g7 c- j7 I5 nlet local 04 s6 {6 u4 Y1 m8 C6 A
while [k <[trade-record-one-len] of myself]
: B, Z- R- g/ g- \8 U6 U[! V( J, G- {9 y* I/ a! G0 H) ^
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)
, @% }& h) X) w9 H; M% ]set k (k + 1)
* c9 ?9 H7 ^* S1 J0 Z' A4 L/ ~]
+ `& B7 V1 U _" h7 E$ G8 Bset [local-reputation] of myself (local)
; J8 O5 w8 N% ]9 p7 D( cend8 ~- W3 [) y. `
7 T _6 V: V( C6 ~7 b% ~1 q
to update-neighbor-total
3 v; P3 p W( X( b) e: E1 O- a% Q# m" D. o& S
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]8 C; p# _" ~( Z: Y/ D0 Y8 [) K% Q
+ X: h g1 w6 c$ @( c9 r
E/ f% A( [8 G0 t7 yend
& ^9 A. T3 ^7 l( o. W# A' {+ U
: ]" s P% x/ z4 xto update-credibility-ijl . m: F6 T3 [' k+ d, s* Y; `6 x
+ m* H, x" _2 o5 e( X
;;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。
5 P$ y" n: g/ Y1 @* }$ Q/ [9 u# jlet l 0+ P3 _0 Y# _4 m4 h+ \7 ^
while[ l < people ]
' w5 j# Q, T. p& {9 ]. ^0 ~! E$ r;;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
1 ]0 ?4 Z7 s6 i7 E$ D$ c[
. V1 u. }) s: C9 s" O9 |$ _let trade-record-one-j-l-len length item l ([trade-record-all] of customer)7 p6 @: O1 w2 z6 K
if (trade-record-one-j-l-len > 3); s0 q, D9 K# `% ^3 ]1 W
[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-one5 A6 s) q' k+ t. B
let i 35 D2 j7 W3 T T% V6 d, C# y
let sum-time 0
. w4 ?0 w8 ]' M z% L; d; e/ wwhile[i < trade-record-one-len]
1 F( K/ g( i: S0 T2 j; L; \, K[
* n7 |3 [- P; _set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
- B) ^4 n0 }' @: l0 y# l4 x0 oset i, h) @$ A" \1 k# D0 l' r
( i + 1)
4 P. S6 {+ K, K1 u5 i3 t]
' u! b% V; D0 y7 ^* ~let credibility-i-j-l 0
+ r$ W. g' E& p7 R, `7 };;i评价(j对jl的评价)
& l- A4 t- Y3 qlet j 3
* d0 A! b3 `$ s S. S( Ulet k 4
4 ^, E1 F5 P' c5 d0 rwhile[j < trade-record-one-len]+ a0 O8 l9 ]/ c" E1 N
[9 u/ c3 f! } l- ~7 E
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! z3 I9 }! g- U- ]. X1 x2 k
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)* H* b/ E7 O! P r) V7 I5 c( y9 i
set j
# j" g# Q" |; E$ s; X7 f# j( j + 1)# U0 {4 C2 c, C' c* K
]
; T# w- v8 S* G' Oset [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 )), J4 O! d' Z0 D- n
0 x. V& M! J" o/ p) b# d: v
( z4 r" Z) f& |+ W
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))6 d+ Y3 W. S; r0 k) M, T& X$ u O
;;及时更新i对l的评价质量的评价3 C$ M+ J. e: b) ]
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
' U$ M7 q6 h/ o3 b8 f4 M& o( p9 Z Rset l (l + 1)- X% q7 `$ t3 F3 l
]
M C( c% x1 A+ y; send7 @8 k" A) {4 F# W
& n+ z: Z, ?. c6 e8 V- M
to update-credibility-list
6 g1 l( q5 F8 _let i 00 ?/ \) u/ m6 v0 G) p1 E- c
while[i < people]
& q1 [4 g, }. T6 i3 [- {[
/ \ ~) T, E R% H" blet j 0
t4 p' l7 K2 ~! h1 P2 B4 K0 _let note 0
5 J$ k* T# {4 E5 c+ ulet k 0: h/ L4 U; |. e
;;计作出过评价的邻居节点的数目& P% J# b a& r# l( A( ^
while[j < people]
/ u2 m/ F) C0 Y- n0 y+ ]. `9 ]* J[
6 H1 Z/ ` {- C9 I! ^if (item j( [credibility] of turtle (i + 1)) != -1)
- d/ t5 l$ `$ y P;;判断是否给本turtle的评价质量做出过评价的节点7 g4 E0 Z) ^1 \( i1 T7 `& s
[set note (note + item j ([credibility]of turtle (i + 1))). G# k4 k* f0 H: S
;;*(exp (-(people - 2)))/(people - 2))]- Y9 {9 E- d% e4 q) A& a
set k (k + 1)
& {" G9 j' b9 C]
5 F* B5 `/ a/ E. nset j (j + 1): @ C7 e }1 u, i0 a4 _
]
( T/ `9 r0 f9 a& R0 hset note (note *(exp (- (1 / k)))/ k)
0 u' ~) F2 R2 lset credibility-list (replace-item i credibility-list note)2 j: `+ I! X- L0 H3 G
set i (i + 1)
$ N% k1 L' h4 `" K5 Z7 U9 D]
: M, `- Y& m4 t. p4 w5 eend; W% v( }0 i2 T& o3 |5 m
: f- ~& d: W, v. c# [$ r1 [to update-global-reputation-list$ C' L& Y& N" a
let j 0- S' f2 ` l8 E; R
while[j < people]
! I; a2 H1 r! g G% U[
4 H/ F% i# H4 N) A, b3 ]let new 0) ^ L1 c( Z w" m% d
;;暂存新的一个全局声誉
- T# G) H/ S2 n+ d# ylet i 0
! C1 y; I$ b2 Flet sum-money 0* j3 |/ H% T0 E
let credibility-money 08 ~% s2 l7 w- r) l
while [i < people]4 T, N' F3 W( `% }$ W
[3 ~& [# w% o! l
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
# K. X7 o' j5 }set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
7 W: [8 ^) X! k/ {2 ]set i (i + 1)+ S- v8 n" r: V; J! N$ R
]
4 A; `* \( {! t( Nlet k 0
2 _ b5 e: S5 W, w9 ilet new1 0' }$ x: k# g V& n8 o3 M/ d! O
while [k < people]
5 w. [% I$ q) E) w" D! I[- K, C. D0 n' [7 y! o$ U0 Z
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)! k( \+ p' }; B
set k (k + 1). S# y! B" u1 q/ Z% a
]
8 E# q8 p8 a% J( v& m9 m: k5 z6 aset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 1 p7 N# v& c, u$ P( o
set global-reputation-list (replace-item j global-reputation-list new)
7 l5 b! W- s0 u. W1 Kset j (j + 1)4 F, e8 Y2 p. k( F3 X1 b
]
( T4 M) Q2 |% T: l/ a0 M$ T& _5 vend
0 x' V* P* ~' f) i
2 u1 v9 B( S) d% ]$ k0 Y8 u9 M% Q' A& U" |# A
* }: s' C9 [; Q% d, K( c
to get-color
" h3 P' s' I4 B* F; t+ S) l$ m' p/ W8 F& ]' K
set color blue1 J6 ~2 \$ c9 t& |: A7 ^3 v- w
end
4 B& I) |9 h4 o0 F7 q9 |! z" c0 L5 L6 I$ P0 w% I
to poll-class" Z1 v# V; r( c* W7 i
end
6 g0 G; t& l" o- E4 |$ h0 d; X# v: U
to setup-plot1
) |0 h) |/ F5 \. }, ?
?/ H4 E, J6 c8 G3 X2 [set-current-plot "Trends-of-Local-reputation"$ p9 D) q- R( t- m8 ~; ?$ Y, v
+ }; F2 a! g* A; U( h1 ~7 P \$ x7 eset-plot-x-range 0 xmax
' A* D s& V2 J# n
2 J) x) _% l1 s& g6 O: Tset-plot-y-range 0.0 ymax; v$ }4 \+ N; k% s; s
end
+ b/ ]. z Q9 W2 x. q$ R* Q) P5 Q8 ~+ w. E
to setup-plot2. Q! S% A X- y6 G8 N( \' W/ S
5 @9 Y' |% d8 r5 O! S& C, Kset-current-plot "Trends-of-global-reputation"
_; g; U8 } i9 u- N1 \* ]$ g* Q, x2 i* b& q
set-plot-x-range 0 xmax
9 C* r' I( W8 V7 E% Q* d8 D
' @$ ]5 g+ N& Z1 M1 h5 d& ]% x8 sset-plot-y-range 0.0 ymax4 w: N o2 s) I3 s$ m
end
' S2 S$ q0 a; a$ n# F( J _: t: \8 J
to setup-plot3
2 l" l/ @! X/ k+ _' x" f5 V: o( r, C6 _6 U
set-current-plot "Trends-of-credibility"+ ~1 N, k( V$ C% f; ]# P+ G6 C; s
# [8 o( G5 e' a6 f9 Y+ i
set-plot-x-range 0 xmax
1 c+ X( j! H( x8 ~9 J
5 e, n, E( i, }3 W6 P2 i& Pset-plot-y-range 0.0 ymax
& M& c: I6 M7 a" E% U( ]end
# w( l3 u Z/ E! u# c& ~" C0 \& D' T
to do-plots
! l1 |: K: x0 F' _( d+ ^3 a- xset-current-plot "Trends-of-Local-reputation"$ O* W6 k$ _& x& R; D2 ]! t
set-current-plot-pen "Honest service"
" E0 m! g/ X8 r/ G, vend+ i8 K k4 J, X
& v, _* T k3 @3 S4 N4 Q8 {/ ~
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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