|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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, K# H6 h+ n! |% |) x( W
globals[
/ e0 i, k; M3 W1 Txmax
- q% k0 L, p2 x# ]. \3 z4 s* Y$ nymax
- n8 b" A3 e! V, N0 ?0 C+ yglobal-reputation-list) e3 I0 M6 Q# |- \7 X
! [. [: R: [5 m7 u- S;;每一个turtle的全局声誉都存在此LIST中, d# F3 E) M, b7 C- x
credibility-list9 G7 C7 G! P' a8 @
;;每一个turtle的评价可信度) j- ~2 |8 Y* B! V$ F% l8 @8 X
honest-service
7 |3 |. G* r9 Z6 [" w) ~unhonest-service4 D* i% b; w3 b" A) E
oscillation8 A2 D( }7 w, }5 c1 W$ \. J! p# I
rand-dynamic: S1 `6 \+ q- W9 \8 K
]
7 y$ J: _2 Y+ D0 n
* ^& Z) F2 w2 d6 C/ ^turtles-own[
5 x w( {) e0 Itrade-record-all
# j/ S. W; W* k) };;a list of lists,由trade-record-one组成0 l Q1 v/ x& L0 g! W; P" } a
trade-record-one4 `2 ^8 I, l6 {9 Y0 c
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录( W$ Y1 A( ?& b4 A5 z$ i! {( E/ z
1 Y' l3 A# e, T/ F$ [/ c6 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]]( T; ~3 x9 L4 B7 R$ d$ U! r% T* T- ^
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]
$ z: i+ H8 T- m) K( N, wcredibility-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
# N, o( q' u( X) H, E* H& Ineighbor-total0 \- t; B% `+ i7 L
;;记录该turtle的邻居节点的数目1 }7 J$ K% y7 W
trade-time0 V4 [; m( [7 d2 d/ E
;;当前发生交易的turtle的交易时间: A4 y) ~; V# v: B. K2 s$ O
appraise-give
1 Z+ i, h$ d# [. f7 I;;当前发生交易时给出的评价/ M4 \1 Q& ~! d. ~2 B7 P5 v
appraise-receive+ {$ K/ q; ^& @# A, z
;;当前发生交易时收到的评价3 ?/ v K: z7 u9 y- N3 T( v
appraise-time0 L) }0 z G- k5 `# b
;;当前发生交易时的评价时间- s" y3 B, B8 A0 V
local-reputation-now;;此次交易后相对于对方turtle的局部声誉9 s, a. I' ]* J; T# L# U
trade-times-total
3 p! F+ m- ?" f; \1 l& `- ]3 b;;与当前turtle的交易总次数5 M6 p( p; @" o4 j4 T" V; y# H7 @
trade-money-total
2 R6 F$ s: `! s6 g+ v1 c;;与当前turtle的交易总金额
2 W6 Q, a7 e2 S; |4 ulocal-reputation
1 t0 G9 `& b+ Eglobal-reputation- M7 x1 Q; L6 S/ ?# b
credibility3 h; b% d8 ^0 L# l8 p) X
;;评价可信度,每次交易后都需要更新
3 r- k1 v: n& o' x/ m2 L: `credibility-all
! v( c z: Y# J;;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 K1 k- j) v. A: {+ c+ d0 C
5 D& o0 {2 m( R1 a) ]1 K+ A. ^
;;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0.55 C3 Y" _, D3 j4 n" S% i- H
credibility-one
; W) a' s5 \9 a' Y1 l% [3 @1 ~;;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
) G! I/ u% L$ v/ Z4 Hglobal-proportion6 Z0 V6 V/ W o# e) Z
customer2 X8 |; }3 H5 w5 M; o! D, R
customer-no
- I C% s8 v, p5 otrust-ok
: A% y0 F* ]8 Q: Y4 p$ Strade-record-one-len;;trade-record-one的长度- R" S/ k9 R! @9 l5 K' L
]: G+ n) z/ O0 F% s0 z$ p ]: p
) \; D" B3 C/ ~, E;;setup procedure
+ t2 @5 @* c2 B0 M% W. ]% J, n+ n! J" t, B8 S8 p3 J
to setup* I# c0 N6 e& r5 E0 I7 j) I8 K
% j. }& E* X4 w# q
ca
0 D# m. k0 E( A: E9 Q4 x
& b' {& ~7 t5 Minitialize-settings
: H! ?4 f. a0 M
* O7 u& Y- D& X1 X" V7 f. ecrt people [setup-turtles]
9 ?" |( X% r% C9 w. n6 g/ U. a; s! ^) h. }8 O+ ^
reset-timer
! ]% @; W" D o) o
/ S/ K& x y0 F) w% J/ R' Apoll-class1 `) `0 l: S9 `' g1 M- A( e. I
5 s6 }% G+ J. q2 ^- T" e) ysetup-plots
# @0 d" J8 U; k# z
- M2 |- d' t9 U. rdo-plots
3 F7 B$ G" n: c1 N/ u# cend
1 a% |1 q% Q4 q$ h% Z k
5 M4 v3 P+ n7 R& L+ {7 eto initialize-settings
, v) O1 X( B9 x. n" p' z
2 } M( Q6 Y5 Dset global-reputation-list []
9 s0 }/ U2 G' Y% Z f' ^
. b5 q0 I+ \* S8 R9 [set credibility-list n-values people [0.5]
/ t% N, f3 F/ o& J) F' r4 W/ O; K; U
set honest-service 0" Z1 W6 ^8 T* b2 T: S3 o! _
8 @& E: J% I! p7 U, a
set unhonest-service 07 M. j- K6 t. U" }" k! g0 ?! A! s
+ H. S% X8 Q8 N$ Z+ Pset oscillation 0
3 t. ?" w; y& U% Y3 _) J* s
+ W; ^ f' T9 R3 ?$ Iset rand-dynamic 0
# c( y! j1 Q9 [, y: @; ^end
& H l# F3 W. ]7 x, j, @
# u4 N N) y1 |: S1 ]5 D1 U% Nto setup-turtles ; e7 V" _& t( Z3 T$ j
set shape "person"' j; s) \( H! I. X& ~5 \
setxy random-xcor random-ycor
/ s# a B0 m y- h% I( F Xset trade-record-one []
$ Q4 J$ V9 ~/ ~6 x2 v4 m# v0 y2 x) ]$ T& o) ^
set trade-record-all n-values people [(list (? + 1) 0 0)] + j2 T4 h' V* v
- w6 B2 t3 G& _) @6 f; g% {0 j
set trade-record-current []
* @1 r6 z( O) Z% pset credibility-receive []* ~! j# {3 I, E+ f( t) p" A
set local-reputation 0.5
, `$ G2 J' L, Q- vset neighbor-total 0; e5 _9 h8 r5 T" C2 l' b7 h
set trade-times-total 0 ]- B9 l6 k' t5 j' s j$ s
set trade-money-total 0% W) K4 d3 ~3 w7 B- V$ F- w4 |
set customer nobody
& p0 s# j+ E$ \/ xset credibility-all n-values people [creat-credibility]5 X$ `0 e2 \4 R; b$ y+ Y$ C
set credibility n-values people [-1]
! T8 m8 ^2 s6 {0 Z6 N5 \8 w8 j9 W6 a; Rget-color
, I2 }/ X4 j* B' ]6 _
+ U; A( o6 |3 b. vend
0 y" e) {( Y" @$ V! d3 G1 H+ O: P) m
to-report creat-credibility' O7 _: [8 d& I, S6 y
report n-values people [0.5]
2 f- B( I- L* r; Fend
; }8 S( |7 \; h; ?$ `. d
0 m; E7 |% {2 o# S6 b) V) S2 A" Nto setup-plots
3 \2 B* U+ ~3 w2 S& | T, u1 c0 c+ e* w( G/ [
set xmax 302 E: |$ W8 A4 y4 g
' [# t* y6 l# s# r% r
set ymax 1.0
5 O( @; x% D4 R; F& l
" [* n5 X* y Y$ j% |0 A$ p& Mclear-all-plots1 `$ h' Z3 `9 I$ P' I
) U( `9 @5 c' m9 v" I8 r
setup-plot1
% b' W2 @" S* {+ h- }! l8 v, X# H9 i) S2 i
setup-plot2
3 f8 t0 z; {( L2 [* C8 z. S
9 D3 L4 a' X" c$ J( M- D7 zsetup-plot3
' e7 ~* s8 V! A5 H6 r$ yend! v% s+ [+ o: ]7 C* ^9 U9 L
/ i, \& r+ ?+ T G% W( |4 C, r
;;run time procedures& l' }' P/ M. @9 y
3 \. m8 B* z5 s6 M& t
to go
# o) I: d9 ?8 w5 R ]5 o* \( f+ \
ask turtles [do-business]
# V* ~& w' x& U* t+ b, Z7 ^2 G8 _end- h! H" |$ Q0 Q; M
) R* \1 N& t9 M Sto do-business ! T( u* Y$ D+ y% \
. K$ C+ r* i" L/ L" B& s0 b' _1 l( V5 R+ @5 e* p E$ W6 w3 r
rt random 3600 V3 o n; i( K0 ]( O- i+ A
8 o: |# }& d# y2 [0 ]' q% ~fd 1
4 y2 x0 B/ L( x7 {) |6 n/ X! f+ }: {3 S4 z( w
ifelse(other turtles-here != nobody)[
: h9 \' g2 C" K8 d! Q! D4 Z: P& q: z2 |
set customer one-of other turtles-here9 Z. D( X+ C2 O1 ?
) U# p' z8 X H* R0 x- T
;; set [customer] of customer myself8 J1 z! P( C. U' k2 g: O
: f0 B Y6 h V$ o5 Q3 m/ [set [trade-record-one] of self item (([who] of customer) - 1)
6 @7 t0 K# ^& M& f0 r[trade-record-all]of self
1 A8 o# L }! V- V; U" B4 a$ D;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
' p2 ?3 `4 d% [7 u$ Y- V5 f% f: b8 u d3 c2 y/ S
set [trade-record-one] of customer item (([who] of self) - 1)
, ~, N! n, }5 {[trade-record-all]of customer
6 z# J" b, h0 D! v! b- Q
t# |& K2 x% u5 j. Wset [trade-record-one-len] of self length [trade-record-one] of self
7 F* t1 n. b N8 V" D( K& L+ o4 R1 [, U0 q/ {6 S) w i
set trade-record-current( list (timer) (random money-upper-limit))& A3 m2 J% l `& d- C" |. D$ P1 O
+ f' y9 q) f" h5 q* E
ask self [do-trust] H" ]- v$ a; g+ D: u
;;先求i对j的信任度
6 `. R9 y( C2 L2 m$ N# N& d; R. t' @1 u! G$ Z7 F9 y# [
if ([trust-ok] of self)
& L1 I% w. U+ S1 h( n;;根据i对j的信任度来决定是否与j进行交易[
1 g' ]% T! \9 Y0 ?) P- Oask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
~5 G: y, r0 i# e2 j% a) J4 C$ e \ A% W0 l0 u1 X! L1 N* R% w1 T
[
4 a* l" C! [; e, }; i
/ V X, k( v. kdo-trade
, p0 x4 u) F7 a. `0 s2 V; ^# @! {, M) j" q$ c/ A
update-credibility-ijl2 v. J+ t4 P* M. V
/ m; L4 r# z4 o! e1 x' jupdate-credibility-list) z: X$ G; `- g: `+ g. v3 ]
- m4 s) u& x3 t3 Q5 }5 n
5 V$ g5 C( P# b3 Zupdate-global-reputation-list) r) F) n4 f- k8 ^2 u% F& h& C8 z# f/ m8 X
5 M3 v$ a$ m0 g+ q1 T$ C" Ppoll-class
. M5 C# [0 |7 {- }/ I! o4 \
$ M) N$ j+ e# J$ X! Rget-color
: {2 j$ n0 h& T* P j; k4 y1 C1 z2 f' G) F
]]
) D, V+ {: r3 T% P, r' C2 Y& b( {8 ]
;;如果所得的信任度满足条件,则进行交易
# `; x2 I' w% V, h( r8 G
) Z2 {4 @7 b4 _, n. f( U[
& P# j% a# i/ i3 n# J
$ H' r3 L3 g2 r% mrt random 360# B/ t1 N* B" L+ z4 b! Y m. X2 {
6 p9 W, \* A- s7 O2 F. j
fd 1' w( \) p9 r j& O4 Q1 u% s
7 ?' U; X# P3 Y5 E# E8 N$ G; e
]* e6 e- p7 C8 y) C& Y; J4 Z' h
$ J* ?7 G& v- t9 J- ]9 P4 c. Tend
! R3 T- G$ ]& B8 B$ T' d8 z8 ~" L7 m# W4 r5 [; o
to do-trust 0 j. o) O* j6 I! r/ J9 M
set trust-ok False6 _: J4 j. X1 k' F6 C8 M2 {8 G; k
7 B2 i, b5 {- b7 D8 p. r3 y
0 P) e9 D ]7 A9 Ilet max-trade-times 08 D$ \( V; ]3 m! w/ S
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
- _( x: Y7 v2 Nlet max-trade-money 0, K% [, ~/ e& {- D
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]" o2 C4 e% H! w$ X: l
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))" \% }$ u9 j) ]# V1 P0 _. N
9 h8 ~0 l: U7 v, c3 f
; c" T; `' z. F1 [' rget-global-proportion
/ O; I) x+ C) j. \; ]4 j7 flet trust-value
2 U9 ]8 s8 Q8 x% l; _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)
9 J l, j! F% ?3 T3 cif(trust-value > trade-trust-value)
/ w* i9 F( X4 E" u6 D6 R[set trust-ok true]
0 _( D# c' ~- n+ K0 h: Eend& Q" @1 @1 g) N7 }1 V
+ K8 U, {+ g2 V/ s& f7 kto get-global-proportion
7 @. D2 ?- e: ~8 Oifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3). s2 F8 ?" i Z7 U4 L$ A, N! d
[set global-proportion 0]
# a9 t7 V/ O& h2 P0 H( e[let i 01 `5 Z* {" E, S: T' q( k5 \
let sum-money 0
. a5 j5 ?$ m! |7 J5 s) r" d! {' jwhile[ i < people] a, u- K8 Z) s* I3 s2 G x
[7 b1 L4 k4 c9 z* u3 k' f7 B0 }. z7 K
if( length (item i! w1 w1 ^/ F l5 p1 ]
[trade-record-all] of customer) > 3 )( e U9 h2 d1 P8 l; E
[ A- V, n8 b, R, A. J, S2 [
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))) |* s/ W7 F H: @* U
]4 E% ^6 E; V" k: I4 P
]% O7 \/ q: E- l3 C. ]9 h! k9 [
let j 0) _2 Q! ^# S. T& m: C$ _
let note 0# E5 T* o- E8 P; `% f- j
while[ j < people]# i# C& D# H! }" Z% Y0 U& w
[- ]; U9 u; F! X, Q
if( length (item i& T* ^) z% g0 i/ d# n8 @
[trade-record-all] of customer) > 3 )- U! e. m. h* {& d: W& s. i3 m
[" Z$ [# U$ k( c3 e1 X. o P2 E6 ^$ I
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)( B+ J1 y& A- F- ]$ [6 V
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]# J4 X9 Q( r6 ]/ d# b9 @) \5 t3 e# B
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
# Q2 ?* M, r% R; y]+ E! }7 k0 p0 i- m: c! i j: J
]4 Y4 F7 `" R# o0 q3 Q2 j) X& O
set global-proportion note
8 |' Z! x% o; A% N]* T( p( f5 d# ]
end
4 s2 U' i3 V2 L) ^$ | N- O3 B3 g& a
* Q8 A$ h+ t7 y1 B" L3 `to do-trade0 b- S4 Y5 ^% m; L* n+ h
;;这个过程实际上是给双方作出评价的过程- \$ {7 {5 r' \3 c* d. a
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价; d5 O: \ `& K5 y: b4 C6 w4 v
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价% n9 h% H) w; E7 y( ]) P% [
set trade-record-current lput(timer) trade-record-current
8 n( G2 @) I" j, s* B;;评价时间
' D$ b6 x9 ~; ^( j; h3 k* I; Iask myself [
. [1 `) \! C" O$ |& O/ }& P2 hupdate-local-reputation# Z' _9 ]$ t* _1 W) e& k
set trade-record-current lput([local-reputation] of myself) trade-record-current
2 v' I4 {9 K* A/ r2 H& r+ w& j, a]
7 | k' q2 M( k! qset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself, @" Y* ]+ d, m
;;将此次交易的记录加入到trade-record-one中
; _4 R u' ]( Nset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
0 Y. E* S2 C" R( y2 ?5 blet note (item 2 trade-record-current )5 \6 |" {1 b1 w( W- s: f2 m. B7 c
set trade-record-current
0 q7 `' a) N. T- i% \* R(replace-item 2 trade-record-current (item 3 trade-record-current)). a) _: |2 J* z5 I6 X# g
set trade-record-current" t3 d' c; y! R$ C o% Y
(replace-item 3 trade-record-current note)
( W" s- p8 s( I2 i( \6 X- l( m5 N/ m6 p0 Y! t7 t2 K8 g6 a
4 k( h8 z3 L7 d) W( C7 Gask customer [
1 y( M, V% S5 a; zupdate-local-reputation# F0 W) k" ]# z+ u6 q% P
set trade-record-current1 g% O' K* x5 e! p8 B5 d
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) % _9 h: P' _9 R0 R
]
, ]" E: `! F+ M( O( b; e3 _; ]: S% Q" G0 O
+ \5 W9 j) {# k6 I! E1 v
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
3 ~* M7 B# t: u) q; E6 |; @
6 D2 `% e+ D8 K4 kset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)). n/ \3 Y- D+ k" e
;;将此次交易的记录加入到customer的trade-record-all中0 w9 _ L9 Z" t x
end9 ?( A1 `4 b3 R- k7 a
# D" e; |$ r! s' C4 S1 L3 H1 T
to update-local-reputation: Y9 d2 ` L5 W/ w
set [trade-record-one-len] of myself length [trade-record-one] of myself/ y! K1 y# J0 x' ~+ [; Y/ `+ R
) A' b V+ U, B
+ Z$ j; F4 S7 I+ \# z2 e5 G6 J$ D
;;if [trade-record-one-len] of myself > 3 1 v: W5 g1 w4 k- ]% l+ G R
update-neighbor-total
2 z, s9 m: T A;;更新邻居节点的数目,在此进行
# A9 ]8 t6 a8 y# `8 v( m! V2 ~let i 3
7 O/ K6 M! ~& K' `let sum-time 0
" @: [8 i9 {' }' swhile[i < [trade-record-one-len] of myself]- B9 `# B9 k3 V. |
[+ Q6 h4 p" f; S8 F4 D" T% n
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
/ G/ |% P- Q* d0 e3 Z. aset i6 [: r, W# h- k" z
( i + 1), D% P# q9 W$ K+ w) V- R
]4 o9 i- `: Z9 F+ P. [6 v
let j 3
3 I9 e A/ P9 `! Y6 Q4 {' olet sum-money 0
+ s2 Q& H; _8 _) U6 n& I0 C2 C P3 twhile[j < [trade-record-one-len] of myself]5 {+ d/ }" K% W* G' g$ H
[ D2 S0 L8 E5 T3 W# ?
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)1 [ V9 Z/ @4 W2 i, r" ]& ~
set j
, r* a4 G# u1 _" N. R, I( j + 1)( J3 V2 B0 d! }) \' X, m
]
, f+ l2 a& Y2 w. @0 j9 J8 D& M2 Flet k 3+ h& j) s9 }& S4 A/ n# x
let power 02 p6 X) z* ?& S
let local 0) ^$ M8 k0 Z4 x/ w1 t
while [k <[trade-record-one-len] of myself]6 h& d( ]" U9 G' X! P
[
( T2 l' g i( o! }! o; r* S8 V+ A7 b9 [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) ) g6 K1 p n, T' Z
set k (k + 1)) D! j% Q, `- }& H6 h
]
& Q4 H7 |' v t1 x2 c3 {6 p, cset [local-reputation] of myself (local)$ `& {: \! k) b. y& L2 Z
end
3 } \& e7 e5 F. Q' w5 c$ B9 ], ^5 y( y* G# J0 v: c9 I: c
to update-neighbor-total
, W- Z$ h, _9 ~6 S+ L3 h
& H% U" |4 i% t) k8 \7 ~if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]1 k5 k4 I4 {" x: W( _% B% L+ V: u" t
7 C2 G2 u+ J1 k! |
% R2 M6 z( p2 u8 fend
/ m6 N" Z7 X, _$ {! |+ H
, Y1 o/ T5 S+ }& ^ W1 Uto update-credibility-ijl * u/ K' h# F( E) n5 ?
( i/ M. x' T, e# f
;;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。
& f) a4 O0 p9 O T7 E0 r; u& ~0 dlet l 03 L3 F5 g+ y& k" q, H1 p
while[ l < people ]& N q2 Q. Y+ W$ 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7 |% m( f: _3 K& A
[$ g6 R W/ q* v" ^9 v
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)$ Q2 F( r$ O" u; x: T2 `
if (trade-record-one-j-l-len > 3)/ Y: h, j6 \5 D4 `% V' Z3 L; e
[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 F/ j1 o# {! v0 M- m. r7 ~! U
let i 39 N6 a9 Q! t; B; s
let sum-time 0& T/ T/ M1 Y" ~
while[i < trade-record-one-len]6 r* ?' Q. y9 ~& J* |! E
[
7 \+ f" k" o& _# j( r: |: d+ y9 Yset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
7 o# U2 S$ b6 u( W! M" [3 nset i
& w; G6 O+ ]' \) V; r) o( i + 1)
" P2 w- M3 V3 H! G], s2 ? Z' g7 c/ } U- n
let credibility-i-j-l 0
$ S, O/ D& Z' }; e! x;;i评价(j对jl的评价)
R" U5 a$ H7 E+ Slet j 39 r g, H4 `7 |- J7 a. d& [
let k 48 W/ A* R' v' i" Z
while[j < trade-record-one-len]
d+ e7 j. F! n1 g; p[: K: R; P) [7 P& t+ C9 s
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
: J }4 K" T5 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), P4 |* C+ y, c! D
set j
X, ?$ o$ h; \( j + 1), k1 a, \0 r+ i% n1 q$ K* \
]
# o: q0 C/ N3 Sset [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 )). Q' y! ^# i8 ?. |3 }/ C
3 i. t A) P- O* R8 w9 P
& X" g4 J8 j) n1 mlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
9 R6 @! @ ^0 `, Y9 A5 a;;及时更新i对l的评价质量的评价
# I4 g) [: o' j$ gset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
! m$ r, k+ t; \& E& `3 Fset l (l + 1)
: Q* o8 C3 r G7 u4 f M0 G]
5 k1 j+ M; U! x+ Aend
( b, t, F5 U% C* q$ M
7 Q* ]. M+ D o: K! c Q8 Hto update-credibility-list/ ?0 l2 V W: D, H c6 g
let i 04 u5 Z6 o4 {: V5 N3 d' n+ s& ?
while[i < people]& F7 |( [9 V5 I/ e* G
[7 z2 N* ^& B% N7 l; L7 V
let j 0' l* t! `- O1 d$ F
let note 0
/ o- L/ n3 q0 D4 x0 \* @1 Hlet k 0& E" m; E& W! A! T, p0 h
;;计作出过评价的邻居节点的数目
5 a; Z. i% {$ fwhile[j < people]
- l. n$ w( z8 O3 x2 ?3 W[* b, b* j i% C
if (item j( [credibility] of turtle (i + 1)) != -1)
+ r% s' v, ]9 p$ U) g;;判断是否给本turtle的评价质量做出过评价的节点( ~( t2 Y% {8 o6 Q Z
[set note (note + item j ([credibility]of turtle (i + 1)))
7 S' Q5 |% o4 x& Y+ M;;*(exp (-(people - 2)))/(people - 2))]. F, _& `7 B& L N
set k (k + 1)- H& w$ u) h. p) O, n
]* h' I" b, [+ @; o {1 ]
set j (j + 1)& f4 a2 C; k; S" G2 n/ v
]
! M! z+ y) f" T& Cset note (note *(exp (- (1 / k)))/ k), {+ F) Y9 B) [: }' Z: i
set credibility-list (replace-item i credibility-list note) Q7 K8 r: d( E1 q
set i (i + 1)8 ?0 n6 F6 p8 Q. C' g. y) J/ n% g
]
" j( f# j* R$ j8 y ]9 k6 L! fend
) N9 e/ f* j. M8 x8 b# l% c, Z; g; D% W, X7 P1 i& ~
to update-global-reputation-list
/ ?. i9 G0 e! z; tlet j 0
5 w) f+ l) ^3 T. mwhile[j < people]
5 b% w+ @- ` S, j4 l% _. I9 [% k[
; O& D) G! d1 ^1 R% Z: \7 ]let new 0& H1 n8 _* f$ `
;;暂存新的一个全局声誉
( M/ n9 v& T' R. M! s: {9 a9 ylet i 0! @9 j. p* |9 o( j
let sum-money 0
7 z; U4 F% ~0 O: n9 P+ k: H1 X. v. Blet credibility-money 0
$ I4 @, C4 r" `9 f& A$ Vwhile [i < people]) J. G7 b8 |& v. C" r# m1 a
[
: l7 p- i) J0 d6 _6 p- s) {& Iset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
# w6 A0 F3 r1 ?) H! [1 nset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
$ U1 Y$ l/ w; ~: l; T, c6 E) b9 Hset i (i + 1)! X4 C$ w- \, z0 ^( M( X& c
]
3 r" P9 G* }* R+ I( {let k 0) j/ Q& }4 Q% D' h
let new1 0
* U- Z$ a4 b3 W# t& `9 Hwhile [k < people] ^ g0 F8 w4 z/ n. g3 F
[$ n, D* X$ |7 w! k- j- c8 I+ P
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)% m) {- A( F1 o7 b, p& i; z4 s7 X" l
set k (k + 1)
" x$ n F) f: o5 l]$ v0 j% j4 i6 h: Y
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
( Z+ r" k( y; ^/ p8 Gset global-reputation-list (replace-item j global-reputation-list new)
& v# k% B3 g& `) D" }! Bset j (j + 1)
; q6 o) B& X. K' Z0 S4 t]
, Q1 u+ h) z# }) `" Y/ }end5 w6 X1 J* y: W; }$ t
. n: r0 ^* I( X1 K
% R! l: |) k, c$ Y" h2 ]+ W8 y4 s/ p6 y$ x( s# @
to get-color
8 g \2 P. _+ ? D
8 R3 c# @) f( h- `. K. ~, Kset color blue8 e8 Q* b& }, ~+ E
end
2 p7 e( `0 q3 g" c. j' x
( `" |$ l9 ]! R& C7 Y8 k- F1 @) kto poll-class3 n9 r: M, Y! R2 y
end
2 E5 j; k3 M5 R8 @, _
( E* D. i& X; g4 O2 p0 Zto setup-plot1
: V4 n7 M1 M% s7 [" |
% k9 J( u p( x' ]6 |2 Tset-current-plot "Trends-of-Local-reputation"
/ E% B. r& d. S- K: E( @, b$ k5 v+ T6 d: v
set-plot-x-range 0 xmax
3 _2 k* r* V0 D0 w+ k) F5 o
( m1 P8 h1 B8 a" }9 Fset-plot-y-range 0.0 ymax' s* a/ ~5 V* P3 Z+ E
end
" h/ T$ Y# i+ M" R6 v/ {" e
- s8 T7 E% L+ R9 u F" g+ I8 ]! }to setup-plot2) J; {- S) i* [' i0 I
& L+ V/ L' E6 e, W; }* j4 wset-current-plot "Trends-of-global-reputation"
- M, f3 ~& H. X) k: ]. m1 G& y" p' Z" w1 Z. K/ N* N
set-plot-x-range 0 xmax
4 G* p* @9 }$ B+ J
9 \! H W- O% h$ K/ `set-plot-y-range 0.0 ymax
, ^# f h/ J5 F2 z8 p: Z6 Zend% S$ X }/ j2 `: P& R$ c/ k' F' H6 a$ A
9 ^. P+ p$ F6 w: ]2 v) l! }
to setup-plot3$ g% H1 z/ B% U' z1 y }
6 ^ |- d* M- P# Tset-current-plot "Trends-of-credibility"5 [5 U4 L# ~. n
0 a, Q- Y" S! H+ t+ b) _7 uset-plot-x-range 0 xmax+ D4 n, w, @' {$ Q' c# q6 U" E9 J
4 w0 y$ ? k2 O1 L( |set-plot-y-range 0.0 ymax. @" l3 X( ~7 I I4 V! L2 L
end. M) a8 C" a; M7 F d
/ |9 B; u3 D4 ^( k5 z$ o6 Z; D w
to do-plots
! T1 a9 s' m( d- |set-current-plot "Trends-of-Local-reputation". m8 [; x% ~1 N
set-current-plot-pen "Honest service"
$ Q7 _6 i3 c/ L, ~end
6 R a5 l& K1 N% ]6 ]7 C* h( T& n7 G, J& D5 _& E: i5 h- v
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|