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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; h& ]1 U8 W& u; Y
globals[
: n6 O, a* r8 ^- ~( a5 exmax
, m7 X- W5 t' H) l) aymax2 t0 G- \8 r9 G. \. E _/ K# I
global-reputation-list
& y, {" G5 d" p" n* A- m$ n p8 ~3 ~' @4 d
;;每一个turtle的全局声誉都存在此LIST中
( f0 ?; m+ F+ Z% J' Z G9 r2 v. m5 Rcredibility-list
# n6 ]6 H- E1 |+ H& p) R;;每一个turtle的评价可信度7 H2 p& ?" g+ [
honest-service
) I5 O4 o. {+ u. b, I& m2 nunhonest-service
: [( b0 L# K4 ?6 ^oscillation
& t2 m- [( T0 Q) P3 R2 brand-dynamic
9 w7 p2 N8 a% s5 l' }]
5 M2 |! {4 ], m& |+ F" p" \
1 U1 u3 S- L! d% z: E1 Gturtles-own[
! r. Z3 q) M2 o( V! @ p$ Ctrade-record-all7 y5 N7 v# j E
;;a list of lists,由trade-record-one组成
5 x6 a( r% ^+ B2 ^# O% O$ x7 K2 jtrade-record-one3 \7 E+ O. z8 d
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录3 c7 t4 m$ _7 H' {$ d- u+ N
# N0 s. z" e; `+ M- V4 [;;[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]]$ ~! |6 r/ \9 X) V& b# @
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]. a3 n. g* c# F7 A, p6 }
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list5 N8 Z8 C# H) i) u$ e) O
neighbor-total3 M$ B9 |, j9 Y' }
;;记录该turtle的邻居节点的数目! s8 o/ G! a8 L8 |2 V2 w+ Q5 r* U# l7 H
trade-time
6 v( Z6 Q5 a8 c8 |1 F# ~/ {8 `;;当前发生交易的turtle的交易时间$ V1 e/ |) e. l3 ?+ b% m
appraise-give/ _+ E& O0 X$ Y/ F6 F
;;当前发生交易时给出的评价4 w% I6 A& G0 u F! f" ^' P: k
appraise-receive/ g9 @1 R. {8 W4 K I2 s, b; r
;;当前发生交易时收到的评价, B# u _$ e" n% H7 p
appraise-time
' e! Z6 k* P3 m7 V; x;;当前发生交易时的评价时间
2 S& ]* `+ Q/ |: {5 Q6 clocal-reputation-now;;此次交易后相对于对方turtle的局部声誉- _$ v7 L5 a N/ l
trade-times-total
2 \; K$ `$ ~+ f% p5 `;;与当前turtle的交易总次数7 h, [7 b5 W9 C& Q+ ^9 X* f
trade-money-total L6 j( b+ @$ a8 j* }; O- y6 |
;;与当前turtle的交易总金额+ f7 T0 o+ H) s# N
local-reputation
( F; o. y6 F( n& o bglobal-reputation) {! r% a; Z# `, q) c }
credibility; B }0 r- ?& V( l; U
;;评价可信度,每次交易后都需要更新" x/ u- q' E& j* [
credibility-all
k% ?' @! g' T i: X3 Q& A;;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9 y* @8 v$ s9 |8 |3 ? D. O
3 c0 ^" r. K) b2 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0.5
8 a9 z" \! G/ U \credibility-one+ J8 x6 z3 y+ [& L- r' ]
;;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
/ {; i5 {' u# H( oglobal-proportion# E! h M5 Z' }
customer" O, m0 a1 x- [8 \7 V; ~0 n
customer-no
; G( n$ T) y4 b/ \, d w4 strust-ok# h9 l7 T* n! ` E
trade-record-one-len;;trade-record-one的长度
: n2 x7 a3 a$ @+ p! y], E' [2 Y7 ^' U
b( B, Y1 z: O$ a0 E4 I
;;setup procedure
5 w: l6 W& | |$ {0 D4 F2 p4 O4 S5 O4 r) v8 @, N% }
to setup% U2 o' e$ c6 I
y3 x5 } b) |, m2 b/ Wca; T; a2 @9 Z& D0 ^3 n0 G% g
; y% C( C* n/ W8 u& H7 }
initialize-settings/ z1 \* q/ x3 L$ z
/ {8 |# |+ S3 n; C0 [7 N9 l
crt people [setup-turtles]& O" l# n2 K; }+ v/ o2 w& E" B1 g! L
8 ?6 L% l- M" w8 s$ Q5 I" `reset-timer' k( c% v4 d! h ?: d- ^/ v. |
6 @8 @. a4 R% y
poll-class% U+ d% ~% b8 I! Q- r
: g$ G; j: F( V' s
setup-plots
, T: i2 G: E5 j2 x9 v1 R9 o @* b
2 @8 X+ r3 \7 ^. _, A8 n5 wdo-plots
4 M6 Y7 H: ^1 [5 Nend
$ A" O# w7 U* G; D4 f- |8 `4 @7 J+ w' q
to initialize-settings$ p) j" h6 a! F8 E% x' r* P4 I
6 A1 A2 P5 T J+ H* M
set global-reputation-list []# t0 {, F( {' M% U6 t) a& L( H
& ^0 b1 m5 {* B; H0 Zset credibility-list n-values people [0.5]
" A |. Z% ?' O6 V- a
6 M1 p- x% }( \$ ^set honest-service 0
3 M; f% \3 B' u# X3 R0 C( x% M' `) l9 H9 E
set unhonest-service 0
2 }$ g/ X+ b% ~+ f$ i- X+ W4 i X& \" L* _
set oscillation 05 }4 h, F9 ?5 v6 e# z
E( b L- [. r; @# E, v8 u
set rand-dynamic 0
* |9 L" a7 w0 d+ ]. }7 O2 h6 mend
; N& Q) K: S9 e0 n% [* E1 F& `8 ^
: Q4 T% ]% C, Y5 k- n% hto setup-turtles * v7 e) F. ~6 V0 l
set shape "person") b* u, B2 N+ D3 I- G
setxy random-xcor random-ycor7 H3 ?' K P: p- x( f @- j
set trade-record-one []
6 v% }4 h5 T9 G: J! k
/ Q# s3 W5 _# W( } d# X* |$ Nset trade-record-all n-values people [(list (? + 1) 0 0)] , L4 F5 u8 t% v1 F- }- B" V- f) G5 E
4 I9 O; r) f/ u8 y$ q+ yset trade-record-current []( U( p" P% o% B' L5 Q& g
set credibility-receive []
! N) i. i6 Y0 R7 [set local-reputation 0.5) V6 r7 K7 E& E: P
set neighbor-total 0
( s) k" Q+ S" W$ s, J1 g) Fset trade-times-total 0$ ~+ g5 i" z- O z% o9 D
set trade-money-total 0& ]! X3 {/ t- i5 J) K. P! a# `
set customer nobody3 U. S% b& X9 ~8 w% [' Y* u+ {
set credibility-all n-values people [creat-credibility]
2 O* X; m9 i, q0 U- ~( V) rset credibility n-values people [-1]' C& T6 V/ c; l- B' \ I4 g
get-color
. |: d2 z; g3 m- _! k5 a; E( x6 Y6 p5 D$ y: f# q
end
- L- p1 {- c. R# _9 ]) V/ T) p0 Z0 R/ l' E; Y6 L% x4 Y' d: ^
to-report creat-credibility" e2 G2 a3 u6 e
report n-values people [0.5]
" Q, a) C" C7 g0 W+ T* i: hend
2 ` {* Z$ c. V( M2 S/ Q( O7 `! q+ Y, g$ ~
to setup-plots
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set xmax 30
p* J# A( s H7 c: {
7 s$ E3 Z8 D4 h3 Q+ ~" Qset ymax 1.0! B! d3 E0 J8 E5 t7 M' K
+ D; H+ u: v0 C( z7 s+ x/ |, ?
clear-all-plots
# r& R+ D; A( U5 o3 |( N8 F! j! a/ y
setup-plot1
0 b2 H$ x% n5 g8 Q$ ]$ D; m! L9 v P- \3 ~$ ]) u8 W9 g
setup-plot2
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setup-plot34 ?! p. |3 D" ]
end
/ [, U# {5 ]2 i0 \( q% M
4 Q h z- A/ J;;run time procedures
1 j* _# i& @, J1 W7 @# a3 N1 b9 R) i" \+ v
to go' p# \* ] i( A c0 R; a) L+ J; h$ L
7 l& W: A" I6 p5 H, ]+ \ask turtles [do-business]
: t5 `- l$ n6 ~' I2 pend8 {( p& J# C7 s: V+ `
! ]; P/ T% h8 J7 J$ Y! |to do-business 3 a' O+ d8 j2 Y8 i" j
$ g1 [0 U: h7 a/ e5 t" B
' I( F' P& e( i6 _ o# H' Krt random 360
" H' p# E! B% R# F' [; b Z. _/ p. E: l( k
fd 15 `9 Q3 E5 {* |0 X; a3 @. Y5 ?
8 I- O/ D6 b+ a! E' d
ifelse(other turtles-here != nobody)[" C4 r$ L. y/ b$ ?) F. I9 K
8 k7 l+ @0 D. V) `! ]set customer one-of other turtles-here# U+ t5 D9 K# B' h( v% z8 Q
0 t2 i$ D1 M2 K' t9 G `( V
;; set [customer] of customer myself
1 P2 {1 U6 C1 S" X" l
9 |( I* t1 O: j' |4 x; u# pset [trade-record-one] of self item (([who] of customer) - 1)8 s0 u6 `5 W0 L5 i5 @6 F
[trade-record-all]of self1 s: _; @$ E' p( x! D
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self J) Y* a% Z" s/ _1 ~
3 G( K6 R4 H/ o8 z2 L
set [trade-record-one] of customer item (([who] of self) - 1)
+ z6 r) J7 k$ N+ O% P d[trade-record-all]of customer: t/ [0 A7 s* H; j3 e
% f, W# o0 f' }, P5 f5 Y% q# cset [trade-record-one-len] of self length [trade-record-one] of self* m4 c: f F9 U% K5 `
8 r$ o7 x+ X) n3 X% }; Q. t: z% R
set trade-record-current( list (timer) (random money-upper-limit))
, ^' C3 ~( \ p7 ?5 _+ B( i9 `! z, E6 a. i8 L
ask self [do-trust]
7 P# Y, D8 M( Y; t% o F;;先求i对j的信任度
3 E$ `: h& t! W% D7 [
) N/ D- ^' P; s5 X, U) sif ([trust-ok] of self), M" _/ P. ^0 o! a! I/ @; Y% y
;;根据i对j的信任度来决定是否与j进行交易[
% ?; _# S9 M/ R2 n I5 d! ^ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself7 E3 A( u) [" H9 z: J- H* I k
8 W0 }8 s- Z; _: ?" R0 @' R
[- K! s3 u. M$ ?9 J/ @8 v
' C' K0 H, v0 k* hdo-trade
) d0 E* [+ G: W
3 I/ d& s7 D0 g" D# _: J7 ]) B# Gupdate-credibility-ijl
) o2 z5 C5 s; W. {/ x) X. Z, g) N8 J' T) l
update-credibility-list
6 g5 q8 A: N: S. E& i
: N5 q" ]1 C! |2 |# V. | J& Q) X) p" {2 w
update-global-reputation-list
7 a ]7 x' C1 N( h
$ c5 \/ x3 \! V2 m0 ^# d5 o* a8 t0 Qpoll-class
; i$ P0 R( f* `: W: q- s# D9 `& Q5 Y) n' [% ~7 g
get-color
% x+ M; A1 E5 K7 a4 Q5 ]- C; n l! ?1 h! \/ x
]]$ k# l' J( `6 K
. ~- n' T m3 x2 ?# k F3 m% P;;如果所得的信任度满足条件,则进行交易# `' J& t2 o; K& ?8 v0 z
+ a2 F! y4 Y5 h: V7 I' ^5 V[
' B: H, u6 T' S
" T3 @; `; M" c& W U+ V# Art random 360" a% }; c* ?2 `6 Y f
; d6 l# ?% g# m2 E H, w- j
fd 1
2 d* a6 y& W5 e, ]
# j, u+ ]% y3 P8 c' Q, W]
9 c3 a' G& D( ]# M ~
- f& ]: j/ d0 zend
* g/ w: _! ^/ E9 o( ]& _) L# A" `/ R4 r1 e
to do-trust ; R# S3 K! c) X5 j1 |) {4 U6 T: v
set trust-ok False
' y. G, K9 i: k5 e- W7 b) V* o% F+ I/ ?. l" Z9 \$ Y
* c, L2 e! o. @0 zlet max-trade-times 0
# |( w6 M7 e: _9 Iforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]4 g3 e+ h4 a( ?! j* Q
let max-trade-money 0
8 A) `( ]8 u. L0 @5 @foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]1 F7 Y R" V ] v3 E# E- G
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
L9 f! g4 g- D. o0 B
$ M) O8 c4 T! {9 f2 s" u" M2 W, [& G* G% L
get-global-proportion! D G0 K6 Y) d+ G" W2 k! d9 ?- }: u% ^- Z
let trust-value
* q2 d. i( G! t+ Z+ g, blocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list) i# ~1 `) m8 @
if(trust-value > trade-trust-value)9 P* I7 Q% m" C V
[set trust-ok true]
# w7 c: y7 U5 A* H+ Q) _end3 Q7 A. E( S2 O
# K! u" C* X! V& B
to get-global-proportion4 L# \. \% w8 K& G; U+ ^' C
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
, I* h/ Q5 \% n2 o[set global-proportion 0]8 i# `' ]0 v4 b. u' `
[let i 0
; l. ?0 p1 K/ j9 o& [2 dlet sum-money 0
+ V0 \5 t7 D& h: l' o* K6 m) r) q' D# [while[ i < people]& C; L* I$ M) [. x
[1 w# ^6 }, x8 \( L8 h9 d7 k
if( length (item i+ C) j, N8 K" Q
[trade-record-all] of customer) > 3 )" ~4 |$ T& O/ d7 j
[
/ I9 G: n7 W* A6 g/ Bset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
$ T" Z' q& Q2 l]+ o) d) s/ c3 y l- p* ?" q
]; X/ c$ I# t6 s9 ?+ ]1 Y
let j 0+ \, n6 _- `! `4 C9 V
let note 0& {, L, h7 w/ v0 y- p
while[ j < people]& z4 I5 p% U4 r0 N8 M3 W7 c" \' L
[
4 Z! I9 D! |/ k+ t/ c: U+ Yif( length (item i" c6 V* N2 I. T# T- `) y
[trade-record-all] of customer) > 3 )
; v2 s0 [/ X; y3 Z[+ i2 l0 Z# c3 z) C4 |- Z
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)! T% }0 i. v, h3 S* e; T5 P
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]# c# E' z% ?+ g `) l
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
, d. G* r0 K' S! ?1 v1 q( C0 K]
2 R. z$ g7 m2 o]* }0 v8 p( ]2 u
set global-proportion note# v; ]/ P( @7 f
]
0 i( n6 K ~# `) V+ o9 q) Zend
( j; |6 m( u* B( T, n/ D
, R. u ?' E# q2 Z$ V0 q, U" Gto do-trade
' X; U) s6 k6 [& V s;;这个过程实际上是给双方作出评价的过程
9 U8 ^; S) G7 y8 h. U$ Cset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
5 ^+ p2 e8 {& R) T8 t8 bset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价: b" g6 S: ?9 I# f% c6 ]# J
set trade-record-current lput(timer) trade-record-current
$ z9 r/ M* i. {;;评价时间5 f6 g6 n! _; m2 U" }* o
ask myself [
. J. J- G9 m0 D8 l8 Tupdate-local-reputation u. I q; S% `- ?
set trade-record-current lput([local-reputation] of myself) trade-record-current
( s( a( q- Z* n N+ M]
- E; j' _2 s* ?3 O1 |* ~ D. {+ t1 hset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
! c" t7 b2 ?4 B% [$ s5 ?* `( q1 Q;;将此次交易的记录加入到trade-record-one中8 K$ \" o/ T( X8 f2 V
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)5 R) ~$ h* {. H) g, ?/ |
let note (item 2 trade-record-current )8 ~" ^" I+ ]0 c7 j. [/ l. W- y. P; Y
set trade-record-current
& ~% x, ^/ ~7 ` G; f( i(replace-item 2 trade-record-current (item 3 trade-record-current)), z! _# g* g8 a+ u- r$ N
set trade-record-current7 p$ t" n: n0 e
(replace-item 3 trade-record-current note)
+ Y' y9 B* T- U; ]; ~4 c+ d6 d
, a S( E& f4 j* C- b+ v* U
4 k' c/ j! G. J6 Kask customer [0 G, I( T3 l3 x" |6 t! y2 D
update-local-reputation
# X' Y& L0 x) D1 [& X4 Q" ~set trade-record-current
) }: W8 `6 A1 c' w6 h(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
5 m+ t8 ]3 J* X0 x n/ L]3 o: ]0 F2 u( l
3 J+ a6 V" f4 f
& \/ p7 E S3 X: Q2 r \/ z* g* r# Lset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer+ Q2 u$ ?! f4 E# F$ A8 j9 {4 o8 E ]
. k2 @( I# N3 o4 M! [7 [+ iset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
7 c( n; ^ ]; J0 q7 [;;将此次交易的记录加入到customer的trade-record-all中
. y6 x1 m0 `6 Bend" _# p: A# F, c. V
9 B7 M) C N* F5 cto update-local-reputation5 ^$ o( a# w$ `2 @9 u1 {
set [trade-record-one-len] of myself length [trade-record-one] of myself
. Q8 ]2 S+ R& I, Z. Y' {% \9 U( o/ i- t( B8 \( Q/ ?- r0 g
+ D8 V) n6 T, b9 Y7 U1 G;;if [trade-record-one-len] of myself > 3 H. t3 |3 `) g
update-neighbor-total
% \4 D8 k9 P. c1 @- ?; p) J;;更新邻居节点的数目,在此进行; p7 d* U$ ~4 t7 b% Z1 d
let i 37 ?8 c* c U' H( u
let sum-time 0
/ B+ E& _2 p& S8 q) Y% Qwhile[i < [trade-record-one-len] of myself]6 P | Q0 j9 E5 p: g7 z; C' g
[- I; a& k- O% y
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )* x3 z6 M: ~" l9 W/ K+ y
set i" r" ~+ d$ n0 A+ ^3 b
( i + 1)- @, `$ o# B$ L- n! T7 x7 G
]& r( i" _! t" D5 V, T8 L
let j 34 J& @/ r% F P8 K8 T
let sum-money 0
* }" ~3 B% ~: \+ u$ {; j5 _% cwhile[j < [trade-record-one-len] of myself]
2 R! R Z. h0 p[
& x' U: g0 W9 n5 Iset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time). L" C3 d D- ~
set j
1 r0 v$ ]! |5 u& R% U; x# l1 t( j + 1)
+ c* M) K' B7 ?9 z2 A4 b4 B]
3 q1 F% C2 T: C) r2 Qlet k 3 m. ?8 v* C; A8 |; }5 t' [+ a
let power 0
, S' G; ~3 V0 U, s0 ylet local 0
/ C9 t# s5 ]" {8 Y' L5 v4 jwhile [k <[trade-record-one-len] of myself]3 o: _0 d" l) |: Y1 d4 ~
[
7 X, N" r9 Z0 xset 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) t1 e0 z8 J; h- o0 l; c: D
set k (k + 1)5 K6 f ]5 j! w. }) b' e) o
]3 x" f b6 I+ v$ _6 K" L
set [local-reputation] of myself (local)* C0 O8 @( j9 ?% O
end
3 g- ~, E# G1 I
; i1 B: w' g% r; h' p2 nto update-neighbor-total8 M, e$ ^5 q0 N* e% g4 X' ]
% A% |0 y5 z# p3 b& n$ f4 O7 _
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]0 {! |4 H9 u. |/ X
% t; T% s, O' y! x
8 B: v) Y# [6 A( t8 |5 |
end* b) Q" M }$ @8 S
2 p0 z. x" O l2 X' z& J# t
to update-credibility-ijl 8 G- t/ |2 q6 n5 Y( @
* O0 ?) p: I! D;;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。8 N2 L) U' O6 w2 k9 F$ [5 F
let l 0
: F3 r% g& g# H. j, wwhile[ l < people ]% r$ J6 H/ K5 v7 ?0 g: u* m
;;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0 ]- v% f) g! ^
[8 e# P |5 ?6 l
let trade-record-one-j-l-len length item l ([trade-record-all] of customer); p7 a5 G$ H: g/ R4 A0 H+ T/ F
if (trade-record-one-j-l-len > 3): d$ O: l- n$ b1 L B' l
[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
* v8 E1 ] A5 P6 ?let i 3" e0 t* @5 a" ^* Y1 u
let sum-time 0
* M0 D( a) O$ vwhile[i < trade-record-one-len]
% Y* }5 D$ z4 X5 p. ^. A: h3 r[( g% o, {$ P) N% V2 U) C$ E
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ), T) m& H" Y1 L! ]1 }4 A; i
set i
* ^9 B' A9 Y! J- j! |: U( i + 1)2 r4 s L7 n' \5 \- P9 D
]
4 C" n* L/ z/ I/ ~let credibility-i-j-l 0$ o! Z; C' I4 b/ `
;;i评价(j对jl的评价)
. ^% t$ W& p2 t ilet j 3. M9 _# z A, W' C
let k 4; }& ~7 X8 I) M& [9 j* I+ |2 G& z
while[j < trade-record-one-len]
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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
* @. Q4 W: ?; K5 e2 E9 U. n$ ^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)
i5 F9 n$ ?3 J4 u3 ]9 I* w% q) ]set j4 G3 }% E; T. g, u
( j + 1)3 w+ n ?8 O& Q2 v
]
9 I- A3 t' [/ g! Pset [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 ))0 k7 E) I' N4 X, g1 ]% C f
* \/ j. F( T) m. b
/ s+ ?8 [7 K" j5 P4 |let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))# K$ e* B3 @3 ]2 s; M0 f
;;及时更新i对l的评价质量的评价8 k ^2 r9 A4 B. o
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
% l: e. P0 }2 lset l (l + 1)& J: X& f9 Q4 ]0 G7 a' G2 }
]
( j J i5 O; f K- K3 c2 B$ x0 Z2 fend! \/ a# h" F5 X
2 z# P3 m- `( E5 H% }1 j
to update-credibility-list5 E9 |% ]! H- p! r. E
let i 00 Y! J% M' M+ o5 f( `9 B
while[i < people]
& D, K! ]. A2 w+ k' z[5 P4 E( ]6 F5 B! y% P/ x1 N% K- y
let j 0 I7 n9 p& H5 g! ?9 y
let note 0
+ O# }! F/ o! g, T/ ^* J" g. flet k 0
2 S$ h& M5 l5 Q, R( C# G;;计作出过评价的邻居节点的数目. H" g# E) J' S6 t( q
while[j < people]- h9 O7 ^, g7 f" @
[) c4 z: }3 b- G$ ~
if (item j( [credibility] of turtle (i + 1)) != -1)
2 O8 T$ l. J) V& Y;;判断是否给本turtle的评价质量做出过评价的节点! b. z) H5 B% ^# E) C
[set note (note + item j ([credibility]of turtle (i + 1)))
+ T) L" n, s8 x" J* E5 M O;;*(exp (-(people - 2)))/(people - 2))]: s, x& f! p1 ]" H( n6 Z2 S0 D
set k (k + 1)4 G' h! |7 j0 t6 \4 S
]
0 _* L' r- x; F7 ~ F& Kset j (j + 1)& @. @8 t' D) Y l, a4 n2 G
] _5 b$ M# M, n4 V# @/ Q7 ]
set note (note *(exp (- (1 / k)))/ k)' \2 V |6 z9 U
set credibility-list (replace-item i credibility-list note)' P: ^/ S- L1 N( ]7 G+ X- o
set i (i + 1)
) F% \0 _) S% Y9 c]
% n; i5 R6 j; iend2 t3 p3 o4 j8 R! E
( M% P8 O; _) p7 [9 T7 H' M- j |
to update-global-reputation-list
9 r' _& l2 x8 y1 ~5 }let j 0
y. L" I$ G4 z. K9 C( Xwhile[j < people]
* [+ O n* K3 v; Y% y7 I8 F0 X[6 \% s' `3 j2 s5 e- W0 H8 ` ?
let new 0
4 e U( g* B6 O2 ^8 @;;暂存新的一个全局声誉
) V9 ~- Q& s% }- X% Z& S* v4 y" xlet i 0- X* i# q9 K: N* |: T
let sum-money 0
' _! o# Q. r8 l) I2 Olet credibility-money 0
) p% A) @0 S3 L5 e! }) hwhile [i < people]8 S5 y' a, ], ~% i
[
\6 j I& Q9 C4 V% u/ Yset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
* f( b8 W" w4 D! q' vset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))2 N3 m' d' N5 {( y) g
set i (i + 1)
+ V6 U' m$ E1 j& e) i- J]
1 E; y5 y0 @/ w6 hlet k 0# y# {- a# f2 D6 e; p
let new1 0
6 ?( f4 z5 U* \) I7 I! Y0 ^while [k < people]& {9 Y" H' I0 I: g! h4 y N
[
* g* y, x t9 }" @" Dset 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): o* C* `& N2 r% z! F
set k (k + 1)
) ?* E. x6 x5 }7 g' G+ R9 a! c]
2 b% c! E( e8 s8 zset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
9 N" r3 |6 \+ ?set global-reputation-list (replace-item j global-reputation-list new)
* \! T6 _* C5 @7 k0 y: {set j (j + 1)' a" n% @. Q" A+ y& ~# [
], x* Q1 A4 c5 K0 }* e+ ?- K3 D* g. }
end5 b W- F4 t( Y% j7 r) @
" s% i R& R3 U0 A# q7 P
, @3 D3 Z8 G4 \/ P0 R
4 e9 G8 K0 ?9 q8 s0 g
to get-color
) E. n. M) h& c/ l" K1 ~: `- k6 ]* t h/ t g7 f5 [# i$ n
set color blue
$ `( e4 W! Q ]' F+ U2 Tend8 H! F" w% w# T1 j
I |$ H6 J) \& Q
to poll-class
0 f5 W& X# [* Qend; C& P/ R7 B5 m9 u) m6 N* m: l4 j
. e. n6 E5 ?1 w6 @9 d0 b, Cto setup-plot13 i" G# x" T s$ V; E0 ?# z
, n% U. G) z/ L" @# H# P& J; S9 A# iset-current-plot "Trends-of-Local-reputation". ~$ F/ K6 u+ c
( i2 _5 Z9 {: |9 Q$ |set-plot-x-range 0 xmax# p$ e- t: a; Z$ K
3 P6 U' g2 K( S
set-plot-y-range 0.0 ymax" s m8 |- a3 j" T* J. G
end# U! p6 ~" j2 [. r% W- i( M, K$ @: q
& \( G! M. F8 v8 ~$ U: t0 K; ~to setup-plot2
# H4 E8 O1 H6 O+ ~1 E; `4 X
6 d/ ?9 A7 a) _/ P+ h bset-current-plot "Trends-of-global-reputation"
! f4 V* i0 V1 k0 p* N. v* _. b) d4 {& Q/ |4 s
set-plot-x-range 0 xmax
2 _; N2 h, z$ _ E$ ?7 Z% a: v* v; P5 v
set-plot-y-range 0.0 ymax
# O$ a! g: Q( {& g' N7 kend% r( k& O2 Z" {* M4 T1 l
% S3 ~7 U' r4 hto setup-plot3
9 a; P I+ I2 W( n! z5 y3 p* i' h0 }1 w j
set-current-plot "Trends-of-credibility"
+ j, d7 y+ D" s$ @
) c0 O+ f+ }. ~3 N8 M% j9 V! Vset-plot-x-range 0 xmax/ s4 p% ] a7 _8 l( q; z
2 R5 M8 R; n8 ^set-plot-y-range 0.0 ymax
|! T; c+ Q; v# Oend0 b) o# N/ r% k8 ^0 h1 K# H
' q9 ?8 ^) o2 Q: U$ I' t- ]9 ?to do-plots0 P$ S, M$ i9 X) H
set-current-plot "Trends-of-Local-reputation"! D V$ Q- y6 p8 m+ O8 R0 s& ]: Y. M# }
set-current-plot-pen "Honest service"8 ^0 {3 h' a# Q) C
end
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+ g5 B# S3 |; k[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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