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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
, i' p/ u9 M+ ?- X( u2 } w/ e+ }globals[
+ U/ X2 [9 J! p6 P& F# n/ Bxmax
/ f" U* L# |/ W6 x6 O. m7 O1 Pymax3 G/ w2 m1 N; V5 D
global-reputation-list
! n( Q; t9 B6 V2 ]4 z( E# O+ U/ m3 G" u6 } C
;;每一个turtle的全局声誉都存在此LIST中! R$ x6 X$ z& H, \- C
credibility-list/ `; }+ H- H1 g; I+ c0 h
;;每一个turtle的评价可信度5 l7 K) i+ m( Q
honest-service
5 z& l3 F# @5 ?5 v$ |) }unhonest-service$ ^* _$ d$ I: s' ~2 L1 g5 Q
oscillation
9 ]0 I( ~& v5 c( Qrand-dynamic
3 U" `7 x0 h% h, k% m]
2 }; n/ K p* m( J9 f
. ~# x8 y. q% N: J9 Bturtles-own[
7 a& O/ K9 I) N; P& itrade-record-all# N8 ^' L% C, c) l5 Y
;;a list of lists,由trade-record-one组成: U9 }& L. r8 D/ l$ ^3 Q+ f
trade-record-one5 _0 L9 \- ^0 v3 Z5 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, o3 C6 Y* U/ K- J3 C
5 N+ |2 U$ I( ~) _;;[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 l: i9 g, P& Y# q! Mtrade-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 R4 A" f( G$ P4 g+ n0 p
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
- c% r4 w! v& |( i; |# ?neighbor-total! J- E/ T. ?$ b
;;记录该turtle的邻居节点的数目
2 B2 X% M# K+ T9 c# etrade-time
' A9 c# d/ x8 ]$ x0 [;;当前发生交易的turtle的交易时间3 [' H- n- X9 U9 |
appraise-give
/ H3 k b& p/ m% o+ S;;当前发生交易时给出的评价
1 I S( C) u6 b9 Z5 c' k8 K" L1 E- Pappraise-receive! C1 D+ K0 D, J# f9 ~3 Q
;;当前发生交易时收到的评价
9 n1 Z6 Q- x& p5 pappraise-time4 ]; U) ^6 ?8 t$ ^. B
;;当前发生交易时的评价时间0 R- E$ A7 e/ P0 H8 K0 h
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
0 T5 a8 e" ~- G* x# rtrade-times-total
, W: b/ B2 u0 D0 h$ @$ y;;与当前turtle的交易总次数
. U4 n' v2 M" ^: a- s: m1 i1 g, [trade-money-total
+ @0 c! }4 z5 T7 t) q- v* p0 a" F;;与当前turtle的交易总金额
3 S# n: o* A/ Y4 Tlocal-reputation
9 ] V! Z |) F Aglobal-reputation* X$ i# u9 i* p/ `; g
credibility
8 T- {: `, L! T( M: ]( i;;评价可信度,每次交易后都需要更新
& b1 J$ d* z( f2 g# F$ K$ ~4 ?credibility-all
1 T, M+ W5 P* v }% k;;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
& I0 Q% o, e p4 ~/ n' q* S+ s6 }: e; e5 B* Z2 k
;;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 p% H; c3 z0 O8 U
credibility-one
! z/ V* q# W* f+ a;;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
( i* A. }3 b0 Z9 m7 W0 n, b' f. i2 @global-proportion; }' a, I( i2 H) X6 D
customer
3 O; r* R! B2 M6 m- o& c* ^8 K1 J) v5 Zcustomer-no
; S7 N4 ~3 y6 a8 Q4 t6 \trust-ok( O9 [" h' }4 P/ q5 M+ C9 r( l
trade-record-one-len;;trade-record-one的长度
k! B) e4 u2 Q9 y! X0 x+ h]! _" R2 X3 X' M( ?( X
4 O1 b/ t& e U2 x: t* {: R' \9 z;;setup procedure4 m6 M. ^: t% { b% o* d3 O
- h! P a& g: v! z3 x4 u vto setup7 ?: N! `; s8 q+ i; S
- A& C! ^- f7 i# r) v: l3 _
ca
3 a, G0 h: @4 |4 n
' k: `2 C3 S* L. Iinitialize-settings, A, A8 ?7 n1 Z" k1 }
# K" J$ c( b: G0 x0 G) z/ ?; i6 `
crt people [setup-turtles]- U( S, W8 U0 w* i3 i& |6 p: K T* X
9 }5 g0 `# F8 q, M
reset-timer. M: @/ @5 z( l" V+ I
' G8 x) N A# L4 n( @
poll-class
1 Z: f* q! T: X
" P8 ]4 S! q$ G: usetup-plots6 b: L# e3 Y& n5 L. @" I
6 c/ k( L- G1 s: A$ t% Jdo-plots
# V* |8 _+ m$ A+ X- `, Lend
3 j0 F7 v) ^5 P/ _: o$ K
. R: e; o) l% }) @to initialize-settings
% `4 W8 X* n5 p) U3 W: h7 q* {( S
set global-reputation-list []
9 \6 ?5 `8 H5 T, J' {6 A. H3 U9 M: w, C2 v
set credibility-list n-values people [0.5]/ K+ Z5 ~5 H2 w. _2 q% U
$ y" d7 ~# D+ d0 G
set honest-service 0
) x9 S$ f; N3 `" P) b
# x1 B$ ?4 J. R. T5 i7 s! w6 iset unhonest-service 0
" }% b) H; p* m: l6 H3 }3 Z! A4 x3 d/ j7 c( F9 N3 z
set oscillation 0% Y; |" v! K) W4 v1 L% m
- V/ c- V9 a4 q4 Q: Q9 wset rand-dynamic 0
. l! T5 R& |* G; C5 W ]end
: {% ~4 u- O7 S2 z- V- U6 V: \* k1 J
to setup-turtles 0 E. h; l9 n5 P% l
set shape "person"
: c9 C% \) I6 Z1 n6 I6 k6 e5 E; Y6 Isetxy random-xcor random-ycor Y/ ?- @/ F/ X/ l1 B: O, @( O. m# j
set trade-record-one []
5 Z! g) g& P- W4 `1 `, E
8 a8 s3 B# @% N/ r/ E3 T" z8 Pset trade-record-all n-values people [(list (? + 1) 0 0)]
1 D! F, q6 h3 k9 R" k. n1 t5 e& Z+ h; |, e2 w
set trade-record-current []2 V0 f- X, L" U4 `, I
set credibility-receive []
& u2 X8 I2 {7 E9 t5 nset local-reputation 0.5- {3 W- s D& I7 u3 r O/ @5 W
set neighbor-total 0
w4 {3 T2 `% R' Q' I* s7 xset trade-times-total 0- f- H1 t. |" L
set trade-money-total 0' Y+ N( v$ F& K: O* e
set customer nobody( @: B9 V0 \/ Y7 \9 i! K
set credibility-all n-values people [creat-credibility]4 m8 T* f5 t! p& X& U O3 w
set credibility n-values people [-1]
; i5 e$ a: G$ P; d) sget-color# y6 U# W$ _* h7 v: N
; _/ w' e6 |& S; z% D# j: t5 Iend
& ]8 w( B5 Q; u. E L
! W& n7 h+ v# K! |: r3 E: Zto-report creat-credibility$ @% }$ G9 ^2 ^3 x
report n-values people [0.5]
2 ~0 V6 K3 j9 Zend
0 i! k$ X2 \& n: N$ c9 v& J. B
/ g. C( \' ~) pto setup-plots
+ r3 d1 i9 t2 j; R; u7 r$ c" {, I
: ~' w$ f+ M9 K5 ]( ? Wset xmax 304 [. Y$ J+ J/ o4 j! r0 H9 R3 @+ A
/ n4 A, m- F0 L5 K" }1 ?# {
set ymax 1.07 f* ?' v; y. \ T' \; F; I8 A
( O1 ?/ i& a' M
clear-all-plots1 h; d- F4 ^7 L. ]" y
9 e5 B" A' v/ z3 O2 x" vsetup-plot1
$ I: c0 Q/ X$ E j: X
/ C" y% P) |* r) w* Csetup-plot2
+ R1 l* c; I& [
- q M( z8 N1 h/ {9 O4 Zsetup-plot33 ]; j9 A4 C4 c3 @6 g. Q9 D4 n7 I
end
1 l1 \0 Q# I( b! }; l. M1 M, i6 S4 i* m0 t3 a/ X& g
;;run time procedures
: d! @* i! ^- j1 s' I6 M' |# U* \+ T" B( M4 B% d( d" X" ?
to go5 |( o7 ~) ?, k& K7 _
' f# x* _1 \" S2 ~6 ~; k8 ?ask turtles [do-business]
6 G' Z3 d% P7 S# L% k. Y5 Bend
" ~ |/ C# t; B: I7 Q+ |) _* Q3 h% d- F6 W' Q& _
to do-business 0 X. b5 U* T/ ^/ }" V, r- p" W
. d+ x- ?! n8 M& S! _
4 @4 z! a4 _' c! a; f8 {
rt random 360
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1 p" Q3 v3 B$ A# k8 U- ^4 `fd 1
! D) p* `0 d1 I* [7 {, W2 O% n# g9 V
ifelse(other turtles-here != nobody)[
' _% S* {' ?9 Z( K
, V4 ]- k/ F: tset customer one-of other turtles-here
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;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)1 B& c$ F2 N$ h
[trade-record-all]of self
+ o" c# B q+ B. S5 e% e8 v;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self8 c7 u p6 L& S5 b- ?1 w
}+ \3 R8 P# U$ B! L9 fset [trade-record-one] of customer item (([who] of self) - 1)
Z: o9 A. }# e[trade-record-all]of customer" r" C$ p6 v9 [# Y7 b4 ]+ _% F
* o. d. s- M) y2 z% @" cset [trade-record-one-len] of self length [trade-record-one] of self
8 J0 r! H# P# {" z9 U" a0 b$ g* Y: [+ p' v0 g! S4 x+ t/ p
set trade-record-current( list (timer) (random money-upper-limit))
9 n0 y! F7 a. q
) ~! I! X( _9 W {1 ?: s0 |; {. ?ask self [do-trust]% s% n1 `5 _+ Q H
;;先求i对j的信任度" N3 X; V6 L7 x; F" s
4 N' g5 R3 \% G' r# a& q7 f2 g0 Sif ([trust-ok] of self)
/ ?9 s0 y9 _6 m;;根据i对j的信任度来决定是否与j进行交易[
! c- q. j9 n+ W. hask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
n( p+ G+ [: d0 s% [! [6 d# C2 W* G, c" p/ d7 e
[5 D) X% R5 V5 K. H# z1 a+ X
; Z. c* h4 E, p! B7 o- G
do-trade
# c% A8 \; U6 H; m) k5 v' Q* d8 O2 @+ G' Q! Q6 h
update-credibility-ijl p1 }0 V3 {6 ^; O1 h- ~
% k3 s: _+ V6 \+ u
update-credibility-list
# K) W& x- f4 P
5 x- d. t8 }4 Y$ ?+ ]+ }' @
9 y7 x* F4 l: @9 Yupdate-global-reputation-list4 g1 b+ S E) F P
! V6 `1 ?* c# }- o2 w) O4 b4 A
poll-class
$ x5 H% k) i% \! C6 J8 o* X7 H5 V: U0 ~" H
get-color
9 } v* |0 w% ?; A8 V3 f+ V: A5 G. M# `, L4 g! G
]], f$ S3 j0 E' }" M& ~! p1 X
5 e0 j- p" V" q$ x8 d
;;如果所得的信任度满足条件,则进行交易
3 w* O0 O* @- @$ S5 B1 M0 r6 O B8 y, l% s) e0 B
[
( J f' J$ _: Q7 V- M; Y! ] t( A
7 }, d) l" a. |5 H! krt random 3603 p+ K2 c8 y3 J5 k& H8 R
$ y- ^3 @# F7 v, ~6 Ffd 1
M- E+ M# r$ T, }
, e8 r- z' h! }& J# Q2 L ^]1 ?& x$ c* \7 X9 y+ V
% l, u6 s1 K4 v3 P4 v
end. z3 m3 {6 Q' _" }: g6 u5 _
; B3 `! y, h# p1 J% @7 \
to do-trust
, b8 g- j5 _; N6 Y) vset trust-ok False
' c0 k0 w6 Q5 y! p& j
, u7 o4 H& A$ B( Q! e
5 g+ q* B7 H" Tlet max-trade-times 08 a( b( z( D0 Q' p* q3 M y
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]$ K9 F: g, K/ _, b; y
let max-trade-money 0
6 |. b/ A) R, K6 i! }foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]" Y4 N. U+ m! l2 ^
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))2 x- ~2 f) r! f$ r2 o9 M; T
9 Y! o% M3 @* J
; D5 k( s7 ?8 _0 v, b9 Eget-global-proportion
" R4 Y! m ~) ~0 x- ~/ Elet trust-value
8 j3 k9 R# O! t4 @! {- O; Ylocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)% [" _+ u! m0 m# [0 W+ B
if(trust-value > trade-trust-value)7 A: f4 u2 V2 c, H4 n! S/ K# z
[set trust-ok true]/ O1 K% e6 d4 ], C2 ^! w |) P3 k
end
* }, d4 ]8 ~& T) c1 I0 _
, J) E! |3 c( x0 X! Uto get-global-proportion; f- i/ C1 {8 S* c! y" o
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)5 Z+ H( K% Q' B" m, v
[set global-proportion 0]
% H+ T& e- j$ j* T[let i 0
- M- n. {* Z8 O1 Q3 f$ {let sum-money 0
1 t5 q8 ?; K3 |8 g# q1 l& ~* rwhile[ i < people]
2 A' ^9 @3 Z( h0 S2 z1 z& {[
9 H3 ^1 c7 M# x+ @% ]if( length (item i
! A# w& \3 `" [; O[trade-record-all] of customer) > 3 )
7 P# w! F) J# y2 s. e[
/ X$ y) P" J1 ?7 r) Bset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
& b$ A6 u2 ~8 E]
& p4 K3 v. B& n' p]! x9 x; N/ {: Z( z: R$ D
let j 0
, y) Q, Z4 M. H5 Alet note 07 f2 D" O I* y! ~" j" H
while[ j < people]9 U) A7 j8 q' G! |
[; ^8 n5 V% p. n# c" S
if( length (item i! M/ U4 R5 n* F8 B2 m) T+ k4 Z" A
[trade-record-all] of customer) > 3 )
2 u I2 ` ^ m' m. r[. O5 `% a3 f% P5 z
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)0 i8 i4 }: d/ L0 T3 h
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]% x2 ]( q. T7 I9 d; X; l
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
/ M/ t7 R$ j" e6 z5 G8 y]$ T/ l; L v+ m! y0 E- m' P$ _
]$ |& V8 Y% V$ U
set global-proportion note% ?& t3 w, {$ A: \. p& e" k% S
], V) p5 l- w% A- T6 F0 a
end
" a* J' O$ @* k7 q2 y4 s8 Y1 [# C* ^
% }( ?2 E& F8 W" y8 h; R1 Ito do-trade% U4 S. V. J$ j* r q* {* s+ K
;;这个过程实际上是给双方作出评价的过程9 j/ C# w* m7 z9 N
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价: E" H% U! n' K6 N2 x( X
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
( C! G% w' ^+ {- [set trade-record-current lput(timer) trade-record-current
4 [. x$ X0 G# Z ^0 @/ N- U1 r;;评价时间9 c# `+ }+ {8 m3 V
ask myself [
( w; F+ r# m' n$ G; ]) `! s- ]update-local-reputation
1 @8 y( S: c) y, I2 j& q1 zset trade-record-current lput([local-reputation] of myself) trade-record-current q9 D; u Q1 H5 u G9 Q' [
]
$ `# ?8 \( e5 E* g# Oset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
9 i* @. N& N! L* a7 @4 z5 C2 } o;;将此次交易的记录加入到trade-record-one中
/ u- n2 c0 p" j! a1 p1 bset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)3 ?( {* `2 x9 S" ?9 o4 r' I
let note (item 2 trade-record-current )
) y' X, E8 \2 w+ m$ zset trade-record-current4 Q# Z4 b, |/ c ]8 L0 ]
(replace-item 2 trade-record-current (item 3 trade-record-current))
, G- Y, [: M+ Uset trade-record-current
J% B: {) w" V4 U* O8 w9 {(replace-item 3 trade-record-current note)2 \; v6 O9 o' ^7 w7 j
8 Y! z: Y/ f2 k9 M2 Q
( N. E; R. W: @- {. l# u" D
ask customer [3 P8 U$ g1 y) ]8 n7 s
update-local-reputation: q) _- U1 u* Q9 q1 R& V
set trade-record-current; q I- c; R6 v! L7 e- ?* F
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) - @$ ?$ a; f5 W# d& \- `$ N; M* t( o
]
5 C" }! p8 _3 \+ K6 o+ I1 G1 m" W& d3 I% J: a2 }
0 U0 S; z! K) C- D
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer; }9 x: O* c4 `4 z Q. ^# C
* D" e; f) E, h7 P7 m( v' {' }
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
2 H9 T) z2 [5 Q& t* ~6 z5 Y;;将此次交易的记录加入到customer的trade-record-all中! j2 T0 D1 _9 B, j* V% X
end" U- R& n; V t2 `7 |+ g! p
3 u, {: O. C: m7 d$ Jto update-local-reputation8 n* `# \- i! L7 D$ k* Z7 Q+ p5 Y$ N
set [trade-record-one-len] of myself length [trade-record-one] of myself
3 [: L* i, @- l% ], R4 y; n, X. T3 |
5 u8 \8 i+ K: ^7 W; n. \$ @& b;;if [trade-record-one-len] of myself > 3 + U5 I6 m) q( h5 f8 {
update-neighbor-total
4 n( o' l, c# h u; Y;;更新邻居节点的数目,在此进行$ F0 {3 J: V' q9 a) C0 d" }
let i 33 h* }1 D. N# c& {- S
let sum-time 0. m. p* j( k" t' w4 n; D# p
while[i < [trade-record-one-len] of myself]
: k# v$ [4 ]/ U$ ?6 B9 k( |9 z[" Z8 g" o* X8 w5 N* D \
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
2 C0 B" u& @9 n0 K7 iset i* ]! D* J5 S- n8 S3 ~
( i + 1)" D1 P% F6 l2 U) O
]; k* e( r) u7 ~9 a: `5 r0 L4 Z
let j 3' M- Z3 |. I& n& h9 c
let sum-money 08 t# u) c$ |8 G) _- j
while[j < [trade-record-one-len] of myself]
9 F1 y( S$ L2 W Z8 F[
! @7 c4 q/ b) ~5 Eset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)7 F- L/ {5 p" C& }
set j
: S( J: G* g& I! Y8 K( j + 1)7 k; v5 K$ ~0 T$ K) c$ V1 z# I
]$ h7 I2 Q- }& F8 L
let k 3
, v+ G- q# g% {6 Z7 f( ]2 o# wlet power 0
1 P7 j+ o# K% j! s- z# Qlet local 0$ ]0 K) E# n1 B6 E, n
while [k <[trade-record-one-len] of myself]
+ r& e9 `- g" d/ h; _4 f4 [1 E[. ^2 T% v/ f% d% ~8 `. v% f, B
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)
2 I4 a% O" ~. D/ h- Wset k (k + 1)) n5 h, }7 Z" G/ e% g/ P
]
# D0 S) a8 z; _8 C7 sset [local-reputation] of myself (local)
4 W2 q! X% r& h' F' x/ lend
K2 l9 _9 @" d, V' J! h& [& K0 Q) J% Z& [( j+ r
to update-neighbor-total/ [) j2 A& t) f
/ k2 L5 Y, m+ R' R# cif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
6 X& g& [, V$ Q' x' J: ~8 m0 w9 a+ r8 ~+ Z' C' v% n
+ Q1 Y- ]3 A- p9 @& W9 xend+ K6 J0 ` l. S
* C+ B0 M% N9 ?0 Eto update-credibility-ijl 4 W* z# o- t1 M* U" w5 b" g4 I. [
8 X6 u/ Z/ a p2 P1 Q {;;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 r/ o4 n* H1 y% n& Q& Ylet l 0
1 I: ]5 Z: Z, f' V* X6 jwhile[ l < people ]$ I9 z) v# H m* J# M' K) W( \
;;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 T1 `* j% _1 j; \% V* U- F[
) x) z! M: p6 b1 slet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
7 j" o; J6 \: i& w qif (trade-record-one-j-l-len > 3)1 Y M+ t9 z8 G8 C% U/ V
[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- P" S8 Z) b# o* V! q3 {3 {3 M- O$ z F
let i 3
$ `7 W$ S5 C" }& v+ x2 V5 x* p, slet sum-time 07 }, y# } ~( R4 F; i" C
while[i < trade-record-one-len] u( n0 |7 d, h6 O
[
" _: H% c7 S, m0 b( Xset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )/ q; @3 m8 j0 @1 B( `
set i
4 |7 D5 R) O2 Q: d' |1 p( i + 1)3 G* l4 G. I% g* d. v! y
]/ z5 s0 O/ \; ~( N6 J
let credibility-i-j-l 0
9 T( Y) x8 G, \4 C;;i评价(j对jl的评价)
" t/ n) a' o- `* J' dlet j 38 ?. a% g0 E D- O! {/ i3 V$ P
let k 4
9 j& |. W) `$ p; O" awhile[j < trade-record-one-len]0 V3 D" v: v) C# r* s
[
& _7 a8 J1 P1 Twhile [((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" ?% {; M) m/ {1 h* W( L- A
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)2 i% I2 n8 q: K* i
set j/ {1 y1 ^8 c& O8 E% i, U
( j + 1)
* ^' N2 a* Z' |1 O& H* I]
& \: `% H1 O# b9 w* Dset [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 ))
1 l6 g% q4 H' s. p/ g
) y4 W7 W' S$ `* @0 }0 `9 [( O- C! P1 N, {+ `
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)); ^! j( X5 e6 X( E7 h) }
;;及时更新i对l的评价质量的评价
1 y% c3 }* E5 T" U9 j8 wset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]/ m+ [' T% `& `# `: [- W4 a
set l (l + 1)6 {% ^" x+ J! v7 s
]$ ^3 H* X9 T/ D
end4 l* P& e% d+ ~: ^* c
- l$ G% P4 p0 d6 e W, f W
to update-credibility-list
- v& t; x( ^0 O7 Wlet i 09 [/ g# q* S9 |0 z( r! j. Q
while[i < people]
# V6 ~( T7 y, Y7 o# o[7 m+ u# S! o5 \5 d/ C2 G
let j 0
: p' |* P0 r" P7 s+ M1 c! R5 s+ Qlet note 08 M: \) l$ I. k! h
let k 0) \4 Y/ K, E; c( k
;;计作出过评价的邻居节点的数目
. B" y3 g1 O# G) ^5 I" Cwhile[j < people]' W8 i0 Q- @# T( S
[ |; ^6 I9 f% D$ y, _
if (item j( [credibility] of turtle (i + 1)) != -1)
8 }$ Z+ ?/ i/ p7 X) q, x! _;;判断是否给本turtle的评价质量做出过评价的节点: u0 B5 x0 ~! v$ w4 f! g
[set note (note + item j ([credibility]of turtle (i + 1)))
! f6 M& k) h$ T6 {;;*(exp (-(people - 2)))/(people - 2))]! L1 r. ?/ K% I
set k (k + 1)
% E+ s/ h# k4 l- E$ J" q]0 A3 A, C/ r- y
set j (j + 1)
% O+ {# M% b% k! \]
* Y" D$ C: @8 m& L& fset note (note *(exp (- (1 / k)))/ k)
5 \2 b+ @( U0 Iset credibility-list (replace-item i credibility-list note)" H% ?# [+ \( P
set i (i + 1)
: N( U8 d4 x( k+ R+ d, o* h- _% w]4 g5 T" @0 J _4 M+ S5 U
end! |! _; X1 T* s( y: K& b
9 P" S8 P3 k$ r& t; [to update-global-reputation-list
# B$ n" T" u! Alet j 0
, \/ f4 D# @ kwhile[j < people]
! |3 c/ _9 Q+ z7 U/ t" t[
5 I, P8 E# I- _" M; p7 Klet new 0
; `+ K+ s( A& T6 @' c( U;;暂存新的一个全局声誉
) ^- R% ^- T4 N! [( S& |let i 09 R- @/ D, k- l: M; m+ M
let sum-money 0
( b" [' Z+ h. [; Rlet credibility-money 0
% ]! H) {, h1 q8 Xwhile [i < people]3 Y9 y- P) V! T. C1 B7 ^
[
. w4 l+ T- g! P: K, P2 C4 nset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))& R0 ^ X( c2 O0 ]% x }
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))( r) C7 T( r7 n: i/ `% K" ^1 S
set i (i + 1)
5 Y( [+ |2 b9 K4 G1 |]
. u, C7 @/ h7 ilet k 04 g. i0 w" y+ t; A
let new1 0) V; Q! ?2 Q2 C" n* X7 }+ x
while [k < people]/ `6 Z% B" z) T4 |
[
( F1 C7 N1 H/ ~" ~( ~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), x; q- s. s9 A7 C8 ~) }1 ^$ `
set k (k + 1)5 P1 m" `* u6 {; l7 D1 q; f1 K
]
: } r3 Q$ _; ?set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
/ Q6 s$ R3 T- [6 ~5 u/ o }' Wset global-reputation-list (replace-item j global-reputation-list new)- H# x1 L0 j9 x' Q1 O
set j (j + 1)+ c, `6 L: v* l5 t8 C5 a* J6 e- }
]
6 [5 N: s& N. ?end
3 u& @; r4 z% ~ ^* j5 h* Q6 ]" L2 k$ e: u; a
% B. Q e8 O7 j& J( \: }
5 O' \ a4 ?# W; d7 Yto get-color
+ t* g5 Z% s" b. k+ |
* x! z3 ~5 m6 C2 |( Fset color blue, d! Y5 V, c+ W X- R
end& E ~2 B4 W# d7 d2 i& c
/ r7 ^0 W) U5 |& w4 _+ |* \to poll-class3 `9 }$ K! n1 y
end' |* A: J2 F$ [6 u/ w$ ^7 q* D' R- H4 ^
% P7 q0 H2 X* `: b M% k6 C/ X E: W9 J
to setup-plot1! ?. Y& w4 W7 j- o
& U3 G- {. A6 }/ Z' A2 D! vset-current-plot "Trends-of-Local-reputation"
) c1 [0 p' X9 I
1 J# L" }4 {) d0 L+ F# Vset-plot-x-range 0 xmax
1 W8 _: Y8 x+ q u: E/ R9 s+ a; k" F3 d4 F) X' J
set-plot-y-range 0.0 ymax
. [8 v& P' e. R) j* F& W; iend; e- {" K5 S- A3 i
: E3 C3 Z5 B2 ~$ D3 q+ E% p t
to setup-plot2; e h, B' [7 m
. y# S$ _! T2 i& D$ H
set-current-plot "Trends-of-global-reputation"
. Y) @: g+ }! S1 S4 a) G
/ p) R* w! O- K/ Oset-plot-x-range 0 xmax" \- ^4 j& E1 |0 f, F' s
; Q/ O. Z) w1 Bset-plot-y-range 0.0 ymax6 k) ^+ ^ ~4 }7 [* i- @
end& w, m3 y6 E i( f! `
' _5 P" j9 V3 B* vto setup-plot3
7 @: `3 X. v+ n; s5 ^% a! d) [- n+ H- a& y( p" |4 F
set-current-plot "Trends-of-credibility"3 a! M! D1 h7 Y5 J4 o, Q" E8 u
0 G* x1 F9 q$ V2 t& P" V0 B' \3 pset-plot-x-range 0 xmax
6 g' L+ H4 C- |& `2 A3 h3 \
9 h8 |6 @; n j2 cset-plot-y-range 0.0 ymax1 O& Q$ C6 O+ x7 U% p4 l6 n
end' }& a5 z$ H- l/ V
- h }0 z4 j. |$ o0 i2 u
to do-plots
6 z( a: g2 k, N2 u- m' ^! h h% Kset-current-plot "Trends-of-Local-reputation" ]+ v/ T! m B2 U$ C6 L
set-current-plot-pen "Honest service"
4 t' c w1 H' @$ p9 \% qend6 P; a# q# @0 o" ` ^8 W4 R3 h( ]0 _
9 r- L# Q1 C! G8 b2 }6 V# l[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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